GERM Reservoir Database
Development and Maintenance by the EarthRef.org Database Team

GERM Database Search Results        
Reservoir Z Element Value Median SD Low High N Unit Info Reference Source(s)
Active Continental Rifts 58 Ce 28           ppm Lower crustal rocks are combined in proportions as indicated in Figure 2. Average compositions were calculated using mafic granulitic xenoliths since these xenoliths are believed to represent the lowermost continental crust. Rudnick & Fountain 1995
Active Continental Rifts 58 Ce 46           ppm Rudnick & Fountain 1995
AII Fracture Zone Basalts 58 Ce 19.55           ppm Average major and minor element values of 9 basalt glass samples from Atlantis II Fracture Zone. These 9 glass samples are specifically from the eastern side of the AII Fracture Zone as given by Johnson and Dick 1992. Hart et al. 1999 Johnson & Dick 1992
Alaska Trench 58 Ce 38.88           ppm Bulk composition estimate of sediments approaching the trench based on DSDP and ODP drill sites. Confidence level = 3 or moderate. Plank & Langmuir 1998
Alborz Mountains 58 Ce 235         3 ppm Phosphorite sandstones, quartzose and ferruginous, in sequence of phosphatic black shales, sandstones and limestones, platform setting, P2O5: 24-28% from the Alborz Mountains, Iran. Detection Limit = 70 ppm. Altschuller 1980 Aval et al. 1968
Aleutian Basalts 58 Ce 14.39         27 ppm Average major and trace element values for Aleutian Arc Basalts given in weight percent and parts per million respectively. Kelemen et al. 2004
Aleutian Trench 58 Ce 39.03           ppm Bulk composition estimate of sediments approaching the trench based on DSDP and ODP drill sites. Confidence level = 1 or highest. Plank & Langmuir 1998
ALH 77005 Meteorite 58 Ce 0.91   0.15       ppm Mars elemental abundances as given by ALH77005 meteorite, which is a lherzolitic shergottite, as given in Lodders 1988. McSween, Jr. 2004 Lodders 1998
ALH 84001 Meteorite 58 Ce 0.59   0.14       ppm Mars elemental abundances as given by ALH84001 meteorite, which is an orthopyroxenite, as given in Lodders 1988. McSween, Jr. 2004 Lodders 1998
ALHA 77257 Urelite 58 Ce 39.2           ng/g Trace element compositional data on ALHA77257 Urelite. Mittlefehldt 2004 Jarosewich 1990
Warren & Kallemeyn 1992
Spitz & Boynton 1991
ALHA 81101 Urelite 58 Ce 23.4           ng/g Trace element compositional data on ALHA81101 Urelite. Mittlefehldt 2004 Warren & Kallemeyn 1992
Spitz & Boynton 1991
Allende Meteorite 58 Ce 1.3           wt%ox Bulk meteorite composition values are from an unpublished reference by E. Jarosewich. Martin & Mason 1974
Amazon River Particulates 58 Ce 112           µg/g Elemental particulates in major South American rivers. Averages for major elements are weighted according to the suspended load prior to the construction of dams, for trace elements the average contents are mean values. Martin & Meybeck 1979
Amphibolites 58 Ce 23.7         189 ppm Average of 165 subsamples and 24 composites. Gao et al. 1998
Andaman Trench 58 Ce 60.19           ppm Bulk composition estimate of sediments approaching the trench based on DSDP and ODP drill sites. Confidence level = 4 or low. Plank & Langmuir 1998
Andean Andesites 58 Ce 61           ppm Minor element values of the post Archaean Middle and Lower continental crust as estimated by Bailey 1981. The composition of the crust itself is found to be that of an average continental margin orogenic andesite. The trace element data are from the analyses of Bailey pertaining to Andean Andesite. Weaver & Tarney 1984 Bailey 1981
Andean Andesites   Ce[n]/Yb[n] 10.3             Elemental ratios of the post Archaean Middle and Lower continental crust which is found to be that of an average continental margin orogenic andesite. Weaver & Tarney 1984 Bailey 1981
Andes Basalt 58 Ce 41.23         26 ppm Average major and trace element values for Andean Arc Basalts given in weight percent and parts per million respectively. Kelemen et al. 2004
Andesites 58 Ce 55           ppm Condie 1993
Andesites 58 Ce 49           ppm Condie 1993
Andesites 58 Ce 44           ppm Condie 1993
Andesites 58 Ce 46           ppm Condie 1993
Andesites 58 Ce 23.18         50 ppm Average Aleutian Andeiste major and minor element composition taken from Plank and Langmuir 1988. Andesite was used in this case to correct for the ash layer which was omitted from sampling of the upper unit of the Aleutian trench. Plank & Langmuir 1998 Plank & Langmuir 1988
Andesites 58 Ce 37.27         28 ppm Average major and trace element values from Primitive Aleutian Arc Andesites given by Kelemen et al. 2004. All major element oxide values are given in wt. % and trace elements in ppm. Kelemen et al. 2004
Andesites 58 Ce 42           ppm Condie 1993
Andesites 58 Ce 45           ppm Condie 1993
Andesites 58 Ce 44           ppm Condie 1993
Angrite Angra Dos Reis 58 Ce 19200           ng/g Trace element compositional data on Angra dos Reis Angrite. Mittlefehldt 2004 Mittlefehldt & Lindstrom 1990
Angrite LEW 87051 58 Ce 6200           ng/g Trace element compositional data on Angrite LEW 87051. Mittlefehldt 2004 Mittlefehldt & Lindstrom 1990
Archean Amphibolites 58 Ce 69           ppm Middle crust compositon based on Weaver and Tarney 1981. According to this study the middle crustal composition is that of Archean Lewisian amphibolite facies gneisses. Weaver & Tarney 1984 Weaver & Tarney 1981
Archean Amphibolites   Ce[n]/Yb[n] 23             Middle crust compositon based on Weaver and Tarney 1981. According to this study the middle crustal composition is that of Archean Lewisian amphibolite facies gneisses. Weaver & Tarney 1984 Weaver & Tarney 1981
Archean Terrains 58 Ce 36           ppm Rudnick & Fountain 1995
Archean Terrains 58 Ce 42           ppm Taylor & McLennan 1995
Archean Terrains 58 Ce 31           ppm Taylor & McLennan 1995
Archean Terrains 58 Ce 57.5           ppm Average compositions of Archean Continental Crust calculated from weighted percentages of supracrustal and plutonic rocks exposed in Precambrian provinces. This study in particular weighs the importance of HREE-depleted granitoids in the Archean crust which make these values the most representative of upper continental crust compositions. Condie 1991
Arenaceous Rocks 58 Ce 60.2         2754 ppm Average of 2628 subsamples and 126 composites. Gao et al. 1998
Arenaceous Rocks 58 Ce 62.1         121 ppm Average of 110 subsamples and 11 composites. Gao et al. 1998
Ashy Clay 58 Ce 41.06         4 ppm Average of 4 ashy clays after Peate et al. (1997) that have been diluted by the percentages of pure SiO2 and CaCO3 in the drill cores. The biogenic diluent is minor at 1.7% pure silica and 2.5% CaCO3 in this 85 m deep unit. Plank & Langmuir 1998
Aubres Aubrite 58 Ce 347           ng/g Trace element compositional data on Aubres Aubrite. Mittlefehldt 2004 Easton 1985
Wolf et al. 1983
Australian Granite 58 Ce 132           ppm Analysis of A-type Lachlan Fold Belt Granite represented in major and minor element abundances as well as slected trace element ratios given by Martin 1995 but plotted in Figure 5 of Kemp & Hawkesworth 2004. Kemp & Hawkesworth 2004 Collins et al. 1982
Australian Granite 58 Ce 226.93         6 ppm Analysis of A-type Padthaway Granite represented in major and minor element abundances as well as slected trace element ratios given by Martin 1995 but plotted in Figure 5 of Kemp & Hawkesworth 2004. Kemp & Hawkesworth 2004 Turner et al. 1992
Australian Granite 58 Ce 23.2         13 ppm Analysis of Himalayan Leucogranite represented in major and minor element abundances as well as slected trace element ratios given by Martin 1995 but plotted in Figure 5 of Kemp & Hawkesworth 2004. Kemp & Hawkesworth 2004 Inger & Harris 1993
Australian Granite 58 Ce 61         704 ppm Analysis of Lachlan Fold Belt Cordierite Granite represented in major and minor element abundances as well as slected trace element ratios given by Martin 1995 but plotted in Figure 5 of Kemp & Hawkesworth 2004. Kemp & Hawkesworth 2004 Chappell & White 1992
Australian Granite 58 Ce 16.3         8 ppm Analysis of Oceanic Arc Granite represented in major and minor element abundances as well as slected trace element ratios given by Martin 1995 but plotted in Figure 5 of Kemp & Hawkesworth 2004. Kemp & Hawkesworth 2004 Whalen 1985
Australian Granite 58 Ce 66         1074 ppm Analysis of Lachlan Fold Belt Hornblende Granite represented in major and minor element abundances as well as slected trace element ratios given by Martin 1995 but plotted in Figure 5 of Kemp & Hawkesworth 2004. Kemp & Hawkesworth 2004 Wormald & Price 1988
Baldissero Spinel Lherzolites 58 Ce 0.17   0.1     14 ppm Elements analyzed from Baldissero section of Ivrea Complex in Northern Italy. Minor and trace elements analyzed by AAS, INAA, RFA, ICP-AES, ICP-MS, Isotope dilution, Electrometry or Coulometry. Accuracy of all methods checked by USGS reference rocks. Wedepohl & Hartmann 1994
Balmuccia Spinel Lherzolites 58 Ce 0.4   0.45     18 ppm Elements analyzed from Balmuccia section of the Ivrea Complex in Northern Italy. Minor and trace elements analyzed by AAS, INAA, RFA, ICP-AES, ICP-MS, Isotope dilution, Electrometry or Coulometry. Accuracy of all methods checked by USGS reference rocks. Wedepohl & Hartmann 1994
Barea Mesosiderite 58 Ce 12100           ng/g Trace element compositional data on Barea Mesosiderite. Mittlefehldt 2004 Mason & Jarosewich 1973
Mittlefehldt in press
Basalts 58 Ce 30           ppm Condie 1993
Basalts 58 Ce 31           ppm Condie 1993
Basalts 58 Ce 28           ppm Condie 1993
Basalts 58 Ce 27           ppm Condie 1993
Basalts 58 Ce 27           ppm Condie 1993
Basalts 58 Ce 15           ppm Condie 1993
Basalts 58 Ce 19           ppm Condie 1993
Basalts 58 Ce 77.9         8 ppm Average major and trace element values for SE Australian Dubbo V.F. Cenozoic continental sodic alkali basalt as well as selected elemental and isotopic ratios. Farmer 2004 Zhang & O'Reilly 1997
Basalts 58 Ce 122         27 ppm Average major and trace element compositions for Western U.S. Sierra Nevada Low Ti Cenozoic continental potassic alkali basalt along with selected elemental and isotopic ratio abundances associated with these provinces. Farmer 2004 Farmer et al. 2002
Basalts 58 Ce 101.5         3 ppm Average major and trace element values for Taiwanese Cenozoic continental sodic alkali basalt as well as selected elemental and isotopic ratios. Farmer 2004 Chung et al. 1995
Basalts 58 Ce 219         7 ppm Average major and trace element compositions for Italian Roman V.F. Low Ti Cenozoic continental potassic alkali basalt along with selected elemental and isotopic ratio abundances associated with these provinces. Farmer 2004 Conticelli et al. 1997
Basalts 58 Ce 124         16 ppm Average major and trace element values for European Rhine Graben Cenozoic continental sodic alkali basalt as well as selected elemental and isotopic ratios. Farmer 2004 Jung & Hoernes 2000
Basalts 58 Ce 49.1         5 ppm Average major and trace element values for Central Anatolian (Turkey) Late Miocene continental sodic alkali basalt as well as selected elemental and isotopic ratios. Farmer 2004 Wilson et al. 1997
Basalts 58 Ce 50         10 ppm Average major and trace element compositions for Taiwanese Mt. Tsaoling Low Ti Cenozoic continental potassic alkali basalt along with selected elemental and isotopic ratio abundances associated with these provinces. Farmer 2004 Chung et al. 2001
Basalts 58 Ce 97         13 ppm Average major and trace element compositions for Aegean Sea Dodecanese V.F. Low Ti Cenozoic continental potassic alkali basalt along with selected elemental and isotopic ratio abundances associated with these provinces. Farmer 2004 Robert et al. 1992
Basalts 58 Ce 83         4 ppm Average major and trace element values for NE China Cenozoic continental sodic alkali basalt as well as selected elemental and isotopic ratios. Farmer 2004 Chung 1999
Basalts 58 Ce 67         9 ppm Average major and trace element values for Vietnamese Tholeiitic Basalts as well as selected elemental and isotopic ratios. Farmer 2004 Hoang & Flower 1998
Basalts 58 Ce 69.6         44 ppm Average major and trace element values for Arabian Peninsula in Yemen Cenozoic continental sodic alkali basalt as well as selected elemental and isotopic ratios. Farmer 2004 Baker et al. 1997
Basalts 58 Ce 21         12 ppm Average major and trace element values for Taos Plateau, Rio Grande Rift Tholeiitic Basalts as well as selected elemental and isotopic ratios. Farmer 2004 Dungan et al. 1986
Basalts 58 Ce 40         7 ppm Average major and trace element values for SE Australian Newer V.P. Tholeiitic Basalts as well as selected elemental and isotopic ratios. Farmer 2004 Price et al. 1997
Basalts 58 Ce 143         23 ppm Average major and trace element values for N. Tanzania-East African Rift Cenozoic continental sodic alkali basalt as well as selected elemental and isotopic ratios. Farmer 2004 Paslick et al. 1995
Basalts 58 Ce 181         16 ppm Average major and trace element compositions for African Virunga V.F. High Ti Cenozoic continental potassic alkali basalt along with selected elemental and isotopic ratio abundances associated with these provinces. Farmer 2004 Rogers et al. 1998
Basalts 58 Ce 107         8 ppm Average major and trace element values for West African (Cameroon Line) Low Sr Cenozoic continental sodic alkali basalt as well as selected elemental and isotopic ratios. Farmer 2004 Marzoli et al. 2000
Basalts 58 Ce 97         6 ppm Average major and trace element values for West African (Cameroon Line) High Sr Cenozoic continental sodic alkali basalt as well as selected elemental and isotopic ratios. Farmer 2004 Marzoli et al. 2000
Basalts 58 Ce 465         6 ppm Average major and trace element compositions for Chinese Tibetan Plateau Low Ti Cenozoic continental potassic alkali basalt along with selected elemental and isotopic ratio abundances associated with these provinces. Farmer 2004 Turner et al. 1996a
Basalts 58 Ce 85.8         3 ppm Average major and trace element values for Central Anatolian (Turkey) Early Miocene continental sodic alkali basalt as well as selected elemental and isotopic ratios. Farmer 2004 Wilson et al. 1997
Binda Eucrite 58 Ce 1010           ng/g Trace element compositional data on Binda Eucrite. Mittlefehldt 2004 Barrat et al. 2000
McCarthy et al. 1973
Bone Valley Formation 58 Ce 255         8 ppm Pebbly and pelletal phosphorite from sandy and clayey phosphorites reworked from phosphatic limestones and dolomites of the Hawthorn carbonate platform (Bone Valley Formation, Florida, U.S.A.); average eight composites: four pebble and four pellet concentrates composited from one week's production at each of four mining localities in Land Pebble Field, representative of approximately 100,000 tons, P2O5: 30-35%. Detection Limit = 70 ppm. Altschuller 1980
Boninites 58 Ce 4.44         73 ppm Average major and trace element values from Primitive Arc Boninites (High-Mg Andesites) given by Kelemen et al. 2004. All major element oxide values are given in wt. % and trace elements in ppm. Kelemen et al. 2004
Brachina Brachinite 58 Ce 600           ng/g Trace element compositional data on Brachina Brachinite. Mittlefehldt 2004 Nehru et al. 1983
Brown Clay 58 Ce 123.43         4 ppm Average of 4 brown clays using DCP analyses. Plank & Langmuir 1998
Brown Clay 58 Ce 137.81         29 ppm The brown clay analyses where averaged over 10 m intervals and then averaged down-unit. Ce is calculated from the REE pattern in the Java 211 pelagic clay. Plank & Langmuir 1998
Brown Rock 58 Ce 235         3 ppm Residually concentrated pelletal phosphorite from 'Brown Rock' Tennessee, U.S.A. Ordovician carbonate platform, decalcified during late Tertiary to Recent, P2O5 = 11, 27, 29%, samples include one production composite. Detection Limit = 70 ppm. Altschuller 1980
Carbonate 58 Ce 5.13         13 ppm The average Ca-carbonate in this unit is 80% based on Leg 67 shipboard carbonate bomb analyses. The analyses have been adjusted accordingly for 45% CaO. Plank & Langmuir 1998
Carbonate Turbidites 58 Ce 31         87 ppm Average of 87 Cenozoic carbonate turbidites in 100 m of the total of 500 m ODP section. Plank & Langmuir 1998
Carbonates 58 Ce 25.9         2038 ppm Average of 1922 subsamples and 116 composites. Gao et al. 1998
Carbonates 58 Ce 12.6         50 ppm Average of 45 subsamples and 5 composites. Gao et al. 1998
Cascade Basalt 58 Ce 24.22         24 ppm Average major and trace element values for Cascades Arc Basalt given in weight percent and parts per million respectively. Kelemen et al. 2004
Cascadia Trench 58 Ce 44.79           ppm Bulk composition estimate of sediments approaching the trench based on DSDP and ODP drill sites. Confidence level = 4 or low. Plank & Langmuir 1998
Central America Trench 58 Ce 10.62           ppm Bulk composition estimate of sediments approaching the trench based on DSDP and ODP drill sites. Confidence level = 1 or highest. Plank & Langmuir 1998
Central American Basalts 58 Ce 30.54         29 ppm Average major and trace element values for Central American Arc Basalts given in weight percent and parts per million respectively. Kelemen et al. 2004
Central East China Craton 58 Ce 60.3           ppm Compostional estimate of the entire Central East China province. Gao et al. 1998
Central East China Craton 58 Ce 52.8           ppm Compostional estimate of the entire Central East China province. Assuming that the lowermost crust is represented by the average mafic granulite from Archean high-grade terrains in Central East China (Appendix 1). Gao et al. 1998
Central East China Craton 58 Ce 63.7           ppm Compostional estimate of the entire Central East China province. Average compostion of granulite terrains and calculated on a sedimentary carbonate rock-free basis. Gao et al. 1998
Central East China Craton 58 Ce 57.6           ppm Compostional estimate of the entire Central East China province. Assuming that the lowermost crust is represented by the average worldwide mafic granulite xenolith (Rudnick & Fountain, 1995). Gao et al. 1998
Central East China Craton 58 Ce 58.7           ppm Compostional estimate of the entire Central East China province. Includes sedimentary carbonates. Gao et al. 1998
Central East China Craton 58 Ce 63.7           ppm Compostional estimate of the entire Central East China province. Average composition of granulite terrains. Gao et al. 1998
Central East China Craton 58 Ce 46           ppm Compostional estimate of the entire Central East China province. Assuming that the lowermost crust is represented by the average worldwide mafic granulite xenolith using the median values of Rudnick & Fountain (1995). Gao et al. 1998
Central East China Craton 58 Ce 60.3           ppm Compostional estimate of the entire Central East China province. Gao et al. 1998
Central East China Craton 58 Ce 52.4           ppm Compostional estimate of the entire Central East China province. Calculated according to 70% intermediate granulite plus 15% mafic granulite plus 15% metapelite from central East China (Appendix 1; for detailed explanation see text). Gao et al. 1998
Central East China Craton 58 Ce 60           ppm Average composition for Central East China. Assuming that the lowermost crust is represented by the average mafic granulite from Archean high-grade terrains in Central East China (Appendix 1). Gao et al. 1998
Central East China Craton 58 Ce 66.4           ppm Compostional estimate of the entire Central East China province. Calculated on a sedimentary carbonate rock-free basis. Gao et al. 1998
Central East China Craton   Ce/Sb 215             Compostional estimate of the entire Central East China province. Gao et al. 1998
Central East China Craton   Ce/Sb 649             Compostional estimate of the entire Central East China province. Gao et al. 1998
Central East China Craton   Ce/Sb 713             Compostional estimate of the entire Central East China province. Assuming that the lowermost crust is represented by the average worldwide mafic granulite xenolith using the median values of Rudnick & Fountain (1995). Gao et al. 1998
Central East China Craton   Ce/Sb 569             Compostional estimate of the entire Central East China province. Assuming that the lowermost crust is represented by the average mafic granulite from Archean high-grade terrains in Central East China (Appendix 1). Gao et al. 1998
Central East China Craton   Ce/Sb 258             Compostional estimate of the entire Central East China province. Calculated on a sedimentary carbonate rock-free basis. Gao et al. 1998
Central East China Craton   Ce/Sb 271             Compostional estimate of the entire Central East China province. Assuming that the lowermost crust is represented by the average mafic granulite from Archean high-grade terrains in Central East China (Appendix 1). Gao et al. 1998
Central East China Craton   Ce/Sb 222             Compostional estimate of the entire Central East China province. Calculated on a sedimentary carbonate rock-free basis. Gao et al. 1998
Chassigny Meteorite 58 Ce 1.12           ppm Mars elemental abundances as given by Chassigny meteorite (chassignite) as given in Lodders 1988. McSween, Jr. 2004 Lodders 1998
Chaunskij Mesosiderite 58 Ce 2180           ng/g Trace element compositional data on Chaunskij Mesosiderite. Mittlefehldt 2004 Mittlefehldt in press
Petaev et al. 2000
Chert 58 Ce 16.41         4 ppm Average of 4 brown chert analyses. Due to the poor recovery of these notoriously hard chert beds, this chert section may be overdiluted by silica causing an underestimation of the geochemical abundances. The dilution factors have therefore been based on the down-core logging for SiO2 contents. Plank & Langmuir 1998
Chert 58 Ce 13.17         4 ppm Average of 4 brown chert analyses. Due to the poor recovery of these notoriously hard chert beds, this chert section may be overdiluted by silica causing an underestimation of the geochemical abundances. The dilution factors have therefore been based on the down-core logging for SiO2 contents. Plank & Langmuir 1998
Chert 58 Ce 13           ppm Compositional estimates of the second of four layers from the sediment column of DSDP Leg 129's Hole 801 according to the methods of Plank and Ludden 1992. Elliot et al. 1997
Chert   Ce/Ce* 0.57             Compositional estimates of the second of four layers from the sediment column of DSDP Leg 129's Hole 801 according to the methods of Plank and Ludden 1992. Elliot et al. 1997
CI Chondrites 58 Ce 603.2   10.25     4 ppb Mean C1 chondrite from atomic abundances based on C = 3.788E-3*H*A where C = concentration; H = atomic abundance and A = atomic weight. Values are not normalised to 100% Anders & Grevesse 1989
CI Chondrites 58 Ce 613           ppb Based on measurements on 3 out of 5 carbonaceous chrondrites namely Orgueil, Ivuna and Alais. McDonough & Sun 1995
CI Chondrites 58 Ce 0.904           ppm Average calculated for volatile-free C1 chondrites after McDonough (1987). McDonough et al. 1992
CI Chondrites 58 Ce 616   31.416     12 ppb Values estimated from unfractionated abundances of REE as are given in Evensen et al. 1978. Anders & Ebihara 1982 Evensen et al. 1978
CI Chondrites 58 Ce 638           ppb C1 Carbonaceous chondrite major and minor element compositions as given in Palme 1988. These values are given in an effort to accurately represent the C1 chondrites as based on an array of sources and derive a revised model for the composition of the Earth. McDonough & Sun 1995 Palme 1988
CI Chondrites 58 Ce 638   31.9       ppb Composition of the Primitive Mantle of the Earth as based on CI Chondritic major and trace element compositions from Chapter 1.03 Palme & Jones 2004 Treatise of Geochemistry. Palme & O'Neill 2004 Palme & Jones 2004
CI Chondrites 58 Ce 0.632           ppm Model compositions for Earth's Primitive mantle as based on C1 Chondrite compositions analyzed by various sources. McDonough & Frey 1989 Palme et al. 1981
Anders & Ebihara 1982
Beer et al. 1984
Jochum et al. 1986
CI Chondrites 58 Ce 1.62   0.02         CI Meteorite derived solar system abundances of various elements. Palme & Jones 2004
CI Chondrites 58 Ce 0.638   0.0319       ppm Abundance of elements in the solar system based off of Palme & Beer 1993 study of CI meteorites. Palme & Jones 2004 Palme & Beer 1993
CI Chondrites 58 Ce 0.6032           ppm Abundance of elements in the solar system from Anders & Grevesse 1989 study of CI meteorites. Palme & Jones 2004 Anders & Grevesse 1989
CI Chondrites 58 Ce 616           ppb C1 Carbonaceous chondrite major and minor element compositions as given in Wasson & Kallemeyn 1988. These values are given in an effort to accurately represent the C1 chondrites as based on an array of sources and derive a revised model for the composition of the Earth. McDonough & Sun 1995 Wasson & Kallemeyn 1988
Clastic Turbidites 58 Ce 44.79         28 ppm In this homogeneous turbidite unit 28 analyses were used to calculate an average by weighting interval height and lithology. Proportions of sand, silt and clay were estimated from core descriptions. Plank & Langmuir 1998
Colombia Trench 58 Ce 6.59           ppm Bulk composition estimate of sediments approaching the trench based on DSDP and ODP drill sites. Confidence level = 3 or moderate. Plank & Langmuir 1998
Congo River Particulates 58 Ce 90           µg/g Elemental particulates in major South American rivers. Averages for major elements are weighted according to the suspended load prior to the construction of dams, for trace elements the average contents are mean values. Martin & Meybeck 1979
Continental Arc Andesite 58 Ce 37.44         53 ppm Average major and trace element values from Primitive Continental Arc Andesites given by Kelemen et al. 2004. All major element oxide values are given in wt. % and trace elements in ppm. Kelemen et al. 2004
Continental Arc Andesite 58 Ce 25.87         157 ppm Average major and trace element values for Average Continental Arc Basalt given in weight percent and parts per million respectively. Kelemen et al. 2004
Continental Arcs 58 Ce 37           ppm Rudnick & Fountain 1995
Continental Arcs 58 Ce 16           ppm Lower crustal rocks are combined in proportions as indicated in Figure 2. Average compositions were calculated using mafic granulitic xenoliths since these xenoliths are believed to represent the lowermost continental crust. Rudnick & Fountain 1995
Continental Crust 58 Ce 42           ppm Rudnick & Fountain 1995
Continental Crust 58 Ce 33           ppm Taylor & McLennan 1995
Continental Crust 58 Ce 60           ppm UCC = Shaw et al. (1967;1976); LCC = Rudnick & Presper (1990) in the proportions of Figure 2. Wedepohl 1995
Continental Crust 58 Ce 38           ppm Average crustal composition taken from Taylor and McLennan 1981. These values are referred to as the Andesite model and as compared to the values given by this study (Weaver & Tarney 1984) differs in only a handful of elements and ratios. The Andesite model is significantly less siliceous though, and also less correspondant to previous estimates of the Continental Crust. Weaver & Tarney 1984 Taylor & McLennan 1981
Continental Crust 58 Ce 57           ppm In calculating the average crustal composition it is assumed that the proportions of upper, middle and lower crust are 2:1:3. The upper crustal average from Taylor & McLennan (1981) is presumed to be representative of upper crust of all geological ages. The middel and lower crust are presumed to be composed of 75% Archean material and 25% post-Archean material represented by average orogenic andesites. Thus the relative weightings for upper crust, Archean middle crust, Archean lower crust and post-Archean middle and lower crust become 8:3:9:4. Weaver & Tarney 1984
Continental Crust 58 Ce 60           ppm Major and minor element composition of the Continental Crust as based on the study by Wedepohl 1994. Major elements are given as Oxides whereas the minor elements are given in singularly in ppm. Rudnick & Fountain 1995 Wedepohl 1995
Continental Crust 58 Ce 60           µg/g Major and trace element compositional estimates of the Bulk Continental Crust given by Gao et al. 1998a. Major element oxides are given in wt.% and trace elements in either ng/g or ¿g/g. Rudnick & Gao 2004 Gao et al. 1998a
Continental Crust 58 Ce 58.5           ppm Bulk continental crust concentrations of minor and trace elements as based on Wedepohl 1991 and considering a Upper to Lower crust ratio of 43:57 respectively. Wedepohl & Hartmann 1994 Wedepohl 1991
Continental Crust 58 Ce 57           µg/g Major and trace element compositional estimates of the Bulk Continental Crust given by Weaver and Tarney 1984. Major element oxides are given in wt.% and trace elements in either ng/g or ¿g/g. Rudnick & Gao 2004 Weaver & Tarney 1984
Continental Crust 58 Ce 43           µg/g Rudnick & Gao 2004
Continental Crust 58 Ce 33           µg/g Major and trace element compositional estimates of the Bulk Continental Crust given by Taylor and McLennan 1985 & 1995. Major element oxides are given in wt.% and trace elements in either ng/g or ¿g/g. Rudnick & Gao 2004 Taylor & McLennan 1985
Taylor & McLennan 1995
Continental Crust 58 Ce 60           µg/g Major and trace element compositional estimates of the Bulk Continental Crust given by Taylor 1964. Major element oxides are given in wt.% and trace elements in either ng/g or ¿g/g. Rudnick & Gao 2004 Taylor 1964
Continental Crust 58 Ce 33000           ppb Enrichment of elements in the bulk continental crust given by Rudnick & Gao from Chapter 3.1 of the Treatise on Geochemistry 2004. Palme & O'Neill 2004 Rudnick & Gao 2004
Continental Crust 58 Ce 43           ppm Major and minor element composition of the Bulk Crust of the Earth with selected trace element ratios as given by Rudnick and Gao 2004. Kemp & Hawkesworth 2004 Rudnick & Gao 2004
Continental Crust 58 Ce 42           µg/g Major and trace element compositional estimates of the Bulk Continental Crust given by Rudnick and Fountain 1995. Major element oxides are given in wt.% and trace elements in either ng/g or ¿g/g. Rudnick & Gao 2004 Rudnick & Fountain 1995
Continental Crust 58 Ce 43           µg/g Recommended composition of the Bulk Continental Crust where the total-crust composition is calculated according to the upper, middle and lower-crust compositions obtained in this study and corresponding weighing factors of 0.317, 0.296 and 0.388. The weighing factors are based on the layer thickness of the global continental crust, recalculated from crustal structure and areal proportion of various tectonic units given by Rudnick and Fountain 1995. Rudnick & Gao 2004 Rudnick & Fountain 1995
Continental Crust 58 Ce 60           µg/g Major and trace element compositional estimates of the Bulk Continental Crust given by Wedepohl 1995. Major element oxides are given in wt.% and trace elements in either ng/g or ¿g/g. Rudnick & Gao 2004 Wedepohl 1995
Continental Crust   Ce[n]/Yb[n] 4.4             Average crustal composition taken from Taylor and McLennan 1981. These values are referred to as the Andesite model and as compared to the values given by this study (Weaver & Tarney 1984) differs in only a handful of elements and ratios. The Andesite model is significantly less siliceous though, and also less correspondant to previous estimates of the Continental Crust. Weaver & Tarney 1984 Taylor & McLennan 1981
Continental Intraplate Xenoliths 58 Ce 623           ppm Representative trace element analyses of minerals from peridotite xenoliths from different lithologies and different regions. These minerals vary from garnet, cpx, and spinel to amphibole, phlogopite and carbonate and vary from being cratonic to 'off cratonic' generally from a region of continental intraplate xenoliths. Pearson et al. 2004 Bedini & Bodinier 1999
Continental Intraplate Xenoliths 58 Ce 10.3           ppm Representative trace element analyses of minerals from peridotite xenoliths from different lithologies and different regions. These minerals vary from garnet, cpx, and spinel to amphibole, phlogopite and carbonate and vary from being cratonic to 'off cratonic' generally from a region of continental intraplate xenoliths. Pearson et al. 2004 Glaser et al. 1999
Continental Intraplate Xenoliths 58 Ce 0.033           ppm Representative trace element analyses of minerals from peridotite xenoliths from different lithologies and different regions. These minerals vary from garnet, cpx, and spinel to amphibole, phlogopite and carbonate and vary from being cratonic to 'off cratonic' generally from a region of continental intraplate xenoliths. Pearson et al. 2004 Eggins et al. 1998
Continental Intraplate Xenoliths 58 Ce 37.6           ppm Representative trace element analyses of minerals from peridotite xenoliths from different lithologies and different regions. These minerals vary from garnet, cpx, and spinel to amphibole, phlogopite and carbonate and vary from being cratonic to 'off cratonic' generally from a region of continental intraplate xenoliths. Pearson et al. 2004 Johnson et al. 1996
Continental Intraplate Xenoliths 58 Ce 4295           ppm Representative trace element analyses of minerals from peridotite xenoliths from different lithologies and different regions. These minerals vary from garnet, cpx, and spinel to amphibole, phlogopite and carbonate and vary from being cratonic to 'off cratonic' generally from a region of continental intraplate xenoliths. Pearson et al. 2004 Bedini & Bodinier 1999
Continental Intraplate Xenoliths 58 Ce 0.52           ppm Representative trace element analyses of minerals from peridotite xenoliths from different lithologies and different regions. These minerals vary from garnet, cpx, and spinel to amphibole, phlogopite and carbonate and vary from being cratonic to 'off cratonic' generally from a region of continental intraplate xenoliths. Pearson et al. 2004 Glaser et al. 1999
Continental Intraplate Xenoliths 58 Ce 0.15           ppm Representative trace element analyses of minerals from peridotite xenoliths from different lithologies and different regions. These minerals vary from garnet, cpx, and spinel to amphibole, phlogopite and carbonate and vary from being cratonic to 'off cratonic' generally from a region of continental intraplate xenoliths. Pearson et al. 2004 Ionov et al. 1997
Continental Intraplate Xenoliths 58 Ce 0.0037           ppm Representative trace element analyses of minerals from peridotite xenoliths from different lithologies and different regions. These minerals vary from garnet, cpx, and spinel to amphibole, phlogopite and carbonate and vary from being cratonic to 'off cratonic' generally from a region of continental intraplate xenoliths. Pearson et al. 2004 Ionov 1996
Continental Intraplate Xenoliths 58 Ce 1.34           ppm Representative trace element analyses of minerals from peridotite xenoliths from different lithologies and different regions. These minerals vary from garnet, cpx, and spinel to amphibole, phlogopite and carbonate and vary from being cratonic to 'off cratonic' generally from a region of continental intraplate xenoliths. Pearson et al. 2004 Eggins et al. 1998
Continental Intraplate Xenoliths 58 Ce 2.92           ppm Representative trace element analyses of minerals from peridotite xenoliths from different lithologies and different regions. These minerals vary from garnet, cpx, and spinel to amphibole, phlogopite and carbonate and vary from being cratonic to 'off cratonic' generally from a region of continental intraplate xenoliths. Pearson et al. 2004 Eggins et al. 1998
Continental Intraplate Xenoliths 58 Ce 0.005           ppm Representative trace element analyses of minerals from peridotite xenoliths from different lithologies and different regions. These minerals vary from garnet, cpx, and spinel to amphibole, phlogopite and carbonate and vary from being cratonic to 'off cratonic' generally from a region of continental intraplate xenoliths. Pearson et al. 2004 Eggins et al. 1998
Continental Intraplate Xenoliths 58 Ce 50.1           ppm Representative trace element analyses of minerals from peridotite xenoliths from different lithologies and different regions. These minerals vary from garnet, cpx, and spinel to amphibole, phlogopite and carbonate and vary from being cratonic to 'off cratonic' generally from a region of continental intraplate xenoliths. Pearson et al. 2004 Gregoire et al. 2002
Continental Intraplate Xenoliths 58 Ce 0.95           ppm Representative trace element analyses of minerals from peridotite xenoliths from different lithologies and different regions. These minerals vary from garnet, cpx, and spinel to amphibole, phlogopite and carbonate and vary from being cratonic to 'off cratonic' generally from a region of continental intraplate xenoliths. Pearson et al. 2004 Bedini & Bodinier 1999
Continental Intraplate Xenoliths 58 Ce 0.01           ppm Representative trace element analyses of minerals from peridotite xenoliths from different lithologies and different regions. These minerals vary from garnet, cpx, and spinel to amphibole, phlogopite and carbonate and vary from being cratonic to 'off cratonic' generally from a region of continental intraplate xenoliths. Pearson et al. 2004 Eggins et al. 1998
Continental Intraplate Xenoliths 58 Ce 8.7           ppm Representative trace element analyses of minerals from peridotite xenoliths from different lithologies and different regions. These minerals vary from garnet, cpx, and spinel to amphibole, phlogopite and carbonate and vary from being cratonic to 'off cratonic' generally from a region of continental intraplate xenoliths. Pearson et al. 2004 Ionov et al. 1997
Continental Intraplate Xenoliths 58 Ce 0.02           ppm Representative trace element analyses of minerals from peridotite xenoliths from different lithologies and different regions. These minerals vary from garnet, cpx, and spinel to amphibole, phlogopite and carbonate and vary from being cratonic to 'off cratonic' generally from a region of continental intraplate xenoliths. Pearson et al. 2004 Bedini & Bodinier 1999
Continental Intraplate Xenoliths 58 Ce 0.77           ppm Representative trace element analyses of minerals from peridotite xenoliths from different lithologies and different regions. These minerals vary from garnet, cpx, and spinel to amphibole, phlogopite and carbonate and vary from being cratonic to 'off cratonic' generally from a region of continental intraplate xenoliths. Pearson et al. 2004 Ionov 1998
Continental Intraplate Xenoliths 58 Ce 0.075           ppm Representative trace element analyses of minerals from peridotite xenoliths from different lithologies and different regions. These minerals vary from garnet, cpx, and spinel to amphibole, phlogopite and carbonate and vary from being cratonic to 'off cratonic' generally from a region of continental intraplate xenoliths. Pearson et al. 2004 Ionov 1996
Continental Intraplate Xenoliths 58 Ce 0.026           ppm Representative trace element analyses of minerals from peridotite xenoliths from different lithologies and different regions. These minerals vary from garnet, cpx, and spinel to amphibole, phlogopite and carbonate and vary from being cratonic to 'off cratonic' generally from a region of continental intraplate xenoliths. Pearson et al. 2004 Ionov 1996
Continental Intraplate Xenoliths 58 Ce 3.58           ppm Representative trace element analyses of minerals from peridotite xenoliths from different lithologies and different regions. These minerals vary from garnet, cpx, and spinel to amphibole, phlogopite and carbonate and vary from being cratonic to 'off cratonic' generally from a region of continental intraplate xenoliths. Pearson et al. 2004 Ionov 1996
Continental Shields & Platforms 58 Ce 21           ppm Lower crustal rocks are combined in proportions as indicated in Figure 2. Average compositions were calculated using mafic granulitic xenoliths since these xenoliths are believed to represent the lowermost continental crust. Rudnick & Fountain 1995
Continental Shields & Platforms 58 Ce 40           ppm Rudnick & Fountain 1995
Core 58 Ce 0           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Cratonic Xenoliths 58 Ce 0.481           ppm Representative trace element analyses of minerals from peridotite xenoliths from different lithologies and different regions. These minerals vary from garnet, cpx, and spinel to amphibole, phlogopite and carbonate and vary from being cratonic to 'off cratonic' generally from a region of continental intraplate xenoliths. Pearson et al. 2004
Cratonic Xenoliths 58 Ce 7.93           ppm Representative trace element analyses of minerals from peridotite xenoliths from different lithologies and different regions. These minerals vary from garnet, cpx, and spinel to amphibole, phlogopite and carbonate and vary from being cratonic to 'off cratonic' generally from a region of continental intraplate xenoliths. Pearson et al. 2004 Stachel et al. 1998
Cratonic Xenoliths 58 Ce 7.1           ppm Representative trace element analyses of minerals from peridotite xenoliths from different lithologies and different regions. These minerals vary from garnet, cpx, and spinel to amphibole, phlogopite and carbonate and vary from being cratonic to 'off cratonic' generally from a region of continental intraplate xenoliths. Pearson et al. 2004 Gregoire et al. 2002
Cratonic Xenoliths 58 Ce 0.046           ppm Representative trace element analyses of minerals from peridotite xenoliths from different lithologies and different regions. These minerals vary from garnet, cpx, and spinel to amphibole, phlogopite and carbonate and vary from being cratonic to 'off cratonic' generally from a region of continental intraplate xenoliths. Pearson et al. 2004
Cratonic Xenoliths 58 Ce 7.1           ppm Representative trace element analyses of minerals from peridotite xenoliths from different lithologies and different regions. These minerals vary from garnet, cpx, and spinel to amphibole, phlogopite and carbonate and vary from being cratonic to 'off cratonic' generally from a region of continental intraplate xenoliths. Pearson et al. 2004 Gregoire et al. 2002
Cratonic Xenoliths 58 Ce 0.04           ppm Representative trace element analyses of minerals from peridotite xenoliths from different lithologies and different regions. These minerals vary from garnet, cpx, and spinel to amphibole, phlogopite and carbonate and vary from being cratonic to 'off cratonic' generally from a region of continental intraplate xenoliths. Pearson et al. 2004
Cratonic Xenoliths 58 Ce 0.2           ppm Representative trace element analyses of minerals from peridotite xenoliths from different lithologies and different regions. These minerals vary from garnet, cpx, and spinel to amphibole, phlogopite and carbonate and vary from being cratonic to 'off cratonic' generally from a region of continental intraplate xenoliths. Pearson et al. 2004 Gregoire et al. 2002
Cratonic Xenoliths 58 Ce 41           ppm Representative trace element analyses of minerals from peridotite xenoliths from different lithologies and different regions. These minerals vary from garnet, cpx, and spinel to amphibole, phlogopite and carbonate and vary from being cratonic to 'off cratonic' generally from a region of continental intraplate xenoliths. Pearson et al. 2004 Gergoire et al. 2002
Cratonic Xenoliths 58 Ce 18.8           ppm Representative trace element analyses of minerals from peridotite xenoliths from different lithologies and different regions. These minerals vary from garnet, cpx, and spinel to amphibole, phlogopite and carbonate and vary from being cratonic to 'off cratonic' generally from a region of continental intraplate xenoliths. Pearson et al. 2004
Cratonic Xenoliths 58 Ce 41.8           ppm Representative trace element analyses of minerals from peridotite xenoliths from different lithologies and different regions. These minerals vary from garnet, cpx, and spinel to amphibole, phlogopite and carbonate and vary from being cratonic to 'off cratonic' generally from a region of continental intraplate xenoliths. Pearson et al. 2004
Cratonic Xenoliths 58 Ce 27.8           ppm Representative trace element analyses of minerals from peridotite xenoliths from different lithologies and different regions. These minerals vary from garnet, cpx, and spinel to amphibole, phlogopite and carbonate and vary from being cratonic to 'off cratonic' generally from a region of continental intraplate xenoliths. Pearson et al. 2004
Cratonic Xenoliths 58 Ce 7.79           ppm Representative trace element analyses of minerals from peridotite xenoliths from different lithologies and different regions. These minerals vary from garnet, cpx, and spinel to amphibole, phlogopite and carbonate and vary from being cratonic to 'off cratonic' generally from a region of continental intraplate xenoliths. Pearson et al. 2004
Cratonic Xenoliths 58 Ce 0.22           ppm Representative trace element analyses of minerals from peridotite xenoliths from different lithologies and different regions. These minerals vary from garnet, cpx, and spinel to amphibole, phlogopite and carbonate and vary from being cratonic to 'off cratonic' generally from a region of continental intraplate xenoliths. Pearson et al. 2004
Cratonic Xenoliths 58 Ce 0.984           ppm Representative trace element analyses of minerals from peridotite xenoliths from different lithologies and different regions. These minerals vary from garnet, cpx, and spinel to amphibole, phlogopite and carbonate and vary from being cratonic to 'off cratonic' generally from a region of continental intraplate xenoliths. Pearson et al. 2004
D'Orbigny Angrite 58 Ce 9180           ng/g Trace element compositional data on D'Orbigny Angrite. Mittlefehldt 2004 Mittlefehldt et al. 2002
Danube River Particulates 58 Ce 65           µg/g Elemental particulates in major South American rivers. Averages for major elements are weighted according to the suspended load prior to the construction of dams, for trace elements the average contents are mean values. Martin & Meybeck 1979
Depleted D-MORB basalts   Ce/Nd 1.083             Constant' ratios in MORB as taken from the D-MORB (Depleted MORB) compilation as explained in Salters and Stracke 2003.  This compliation of 232 ratio values represent one method of removing low degree melts from MORB data.  All values have gone thru a series of tests and must meet certain criteria to be added to the D-MORB compilation.  This in turn leads to better estimates of values for the Depleted Mantle. Salters & Stracke 2004
Depleted D-MORB basalts   Ce/P 0.19             Constant' ratios in MORB as taken from the D-MORB (Depleted MORB) compilation as explained in Salters and Stracke 2003.  This compliation of 232 ratio values represent one method of removing low degree melts from MORB data.  All values have gone thru a series of tests and must meet certain criteria to be added to the D-MORB compilation.  This in turn leads to better estimates of values for the Depleted Mantle. Salters & Stracke 2004
Depleted D-MORB basalts   Ce/Pb 25             Constant' ratios in MORB as taken from the D-MORB (Depleted MORB) compilation as explained in Salters and Stracke 2003.  This compliation of 232 ratio values represent one method of removing low degree melts from MORB data.  All values have gone thru a series of tests and must meet certain criteria to be added to the D-MORB compilation.  This in turn leads to better estimates of values for the Depleted Mantle. Salters & Stracke 2004
Depleted D-MORB basalts   La/Ce 0.3026             Constant' ratios in MORB as taken from the D-MORB (Depleted MORB) compilation as explained in Salters and Stracke 2003.  This compliation of 232 ratio values represent one method of removing low degree melts from MORB data.  All values have gone thru a series of tests and must meet certain criteria to be added to the D-MORB compilation.  This in turn leads to better estimates of values for the Depleted Mantle. Salters & Stracke 2004
Depleted Mantle 58 Ce 0.55     0.451 0.639   ppm Trace element composition of DMM (Depleted MORB Mantle) with minimum and maximum estimates based on assuming initiation of continuous depletion at 2.5Ga (min) and 3.5Ga (max). Workman & Hart 2005
Depleted Mantle 58 Ce 0.772   0.1158       ppm Estimate for the concentrations in the Depleted Mantle of most of the elements of the Periodic Table.  Ce/Nd is the element ratio/constraint used to make this estimate. Salters & Stracke 2004
Depleted-Depleted MORB Mantle 58 Ce 0.421           ppm Trace element composition of DDMM (Depleted Depleted MORB Mantle) in ppm. Workman & Hart 2005
Diatom Oozes & Clay 58 Ce 24.05         15 ppm Weighted average based on DCP analyses for 200 m of diatom oozes. The REE's were calculated based on the REE pattern in piston core V14-57 using the Y/Yb = 10 to constrain the absolute abundances. Plank & Langmuir 1998
Diatome Clay 58 Ce 45.55         6 ppm Upper 240 m of a total section that is 335 m thick (Site 581) dominated by diatom clay. Plank & Langmuir 1998
Diatome Mud 58 Ce 28.28         6 ppm Based on smear slides an average of 35% biogenic opal (SiO2) has been estimated, which is consistent with 17 wt% biogenic opal estimated from shipboard logs. The 6 analyses have simply been averaged since the SiO2 content is consistently ~57%. Plank & Langmuir 1998
Diatome Ooze 58 Ce 35.14         4 ppm This ash-rich diatom ooze contains 50% diatoms and 7% ash particles. The individual analyses therefore have been diluted with 65% SiO2 based on an average 75% SiO2 in the diatoms. The analyses were further enriched by adding an average Aleutian andesite (Plank & Langmuir, 1988) to represent the ash layers in this section. Plank & Langmuir 1998
Diorite 58 Ce 67.4         260 ppm Average of 243 subsamples and 17 composites. Gao et al. 1998
Dover Sandstone 58 Ce 250         4 ppm Phosphatic pebbles and cements from nearshore, quartzose sandstones and siltstones of the mid-Paleozoic platform: Neptune Range (Dover Sandstones in the Pensacola Mountains, Antarctica). P2O5 = greater than 26%. Detection Limit = 70 ppm. Altschuller 1980 Cathcart & Schmidt 1974
DSDP/ODP Site 800 58 Ce 33.71           ppm Bulk composition estimate of sediments approaching the trench based on DSDP and ODP drill sites. Confidence level = 1 or highest. Plank & Langmuir 1998
DSDP/ODP Site 801 58 Ce 29           ppm Compositional estimates of Bulk Marianas sediment as observed from the sediment column of DSDP Hole 801. Values derived according to methods given in Plank and Ludden 1992. Elliot et al. 1997
DSDP/ODP Site 801 58 Ce 29.38           ppm Bulk composition estimate of sediments approaching the trench based on DSDP and ODP drill sites. Confidence level = 1 or highest. Plank & Langmuir 1998
DSDP/ODP Site 801   Ce/Ce* 0.72             Compositional estimates of Bulk Marianas sediment as observed from the sediment column of DSDP Hole 801. Values derived according to methods given in Plank and Ludden 1992. Elliot et al. 1997
E-MORB 58 Ce 26           ppm Compositie analyses on E-MORB glasses from the Mid-Atlantic Ridge as reported in the RidgePetDB database. Major and most trace elements for this E-type MORB are taken from the sample EW19309-004-002. Klein 2004 Lehnert 2000
Early Archean Upper Crust 58 Ce 55.3           ppm Restoration model. Concentrations are calculated after restoration of the amount of crust lost be erosion, in particular, important when estimating the composition of juvenile continental crust. The restoration is performed based on geologic maps and stratigraphic successions as summarized in Table 2. Condie 1993
Early Archean Upper Crust 58 Ce 56.5           ppm Map model. Concentrations are directly calculated from rock proportions scaled from geologic maps and stratigraphic successions as summarized in Table 2. Condie 1993
Early Proterozoic Upper Crust 58 Ce 59.6           ppm Map model. Concentrations are directly calculated from rock proportions scaled from geologic maps and stratigraphic successions as summarized in Table 2. Condie 1993
Early Proterozoic Upper Crust 58 Ce 65.3           ppm Restoration model. Concentrations are calculated after restoration of the amount of crust lost be erosion, in particular, important when estimating the composition of juvenile continental crust. The restoration is performed based on geologic maps and stratigraphic successions as summarized in Table 2. Condie 1993
East China Craton 58 Ce 56.6           ppm Compostional estimate of East China. Assuming that the lowermost crust is represented by the average worldwide mafic granulite xenolith (Rudnick & Fountain, 1995). Gao et al. 1998
East China Craton 58 Ce 59.3           ppm Compostional estimate of East China. Assuming that the lowermost crust is represented by the average mafic granulite from Archean high-grade terrains in Central East China (Appendix 1). Gao et al. 1998
East Sunda Trench 58 Ce 74.53           ppm Bulk composition estimate of sediments approaching the trench based on DSDP and ODP drill sites. Confidence level = 1 or highest. Plank & Langmuir 1998
EET 84302 Acapulcoite 58 Ce 400           ng/g Trace element compositional data on achondrite EET84302 which is between Acapulcoite and lodranite. Mittlefehldt 2004 Weigel et al. 1999
Enriched-Depleted MORB Mantle 58 Ce 0.726           ppm Trace element composition of EDMM (Enriched Depleted MORB Mantle) in ppm. Workman & Hart 2005
Estherville Mesosiderite 58 Ce 4500           ng/g Trace element compositional data on Estherville Mesosiderite. Mittlefehldt 2004 Mittlefehldt in press
Simpson & Ahrens 1977
Felsic Archean Granulites 58 Ce 71 54       274 ppm Median values are used instead of average values in the model calculations to avoid outlyers of small sample populations. Rudnick & Fountain 1995
Felsic Granulites 58 Ce 48.7         137 ppm Average of 116 subsamples and 21 composites. Gao et al. 1998
Felsic Post-Archean Granulites 58 Ce 82 56       143 ppm Median values are used instead of average values in the model calculations to avoid outlyers of small sample populations. Rudnick & Fountain 1995
Felsic Volcanics 58 Ce 70.7         972 ppm Average of 895 subsamples and 77 composites. Gao et al. 1998
Felsic Volcanics 58 Ce 71           ppm Condie 1993
Felsic Volcanics 58 Ce 65           ppm Condie 1993
Felsic Volcanics 58 Ce 69           ppm Condie 1993
Felsic Volcanics 58 Ce 51.2           ppm Condie 1993
Felsic Volcanics 58 Ce 59           ppm Condie 1993
Felsic Volcanics 58 Ce 45           ppm Condie 1993
Felsic Volcanics 58 Ce 48           ppm Condie 1993
Ferruginous Clay 58 Ce 100.47         2 ppm The proportions of the Fe-rich and carbonate-rich clays are roughly equal based on barrel sheet descriptions. One analysis of each rock type is simply averaged. Plank & Langmuir 1998
Frankfort Howardites 58 Ce 2700           ng/g Trace element compositional data on Frankfort Howardite. Mittlefehldt 2004 McCarthy et al. 1972
Palme et al. 1978
Fresh Mid-Ocean Ridge Basalts 58 Ce 11.46         62 ppm Average major and trace element values for Primitive MORB given in weight percent and parts per million respectively. Kelemen et al. 2004
Fresh Mid-Ocean Ridge Basalts   Ce/Nd 1.21             Constant' ratios in MORB as taken from the 'All MORB' data set according to Salters and Stracke 2003.  The 'All MORB' data set is a compilation of 639 sample ratios to represent the MORB composition.  In using these values and applying a simple mathematical process order to remove the outliers, which are found by calculating the upper and lower quartile range, then applying the outlier criterion (explained in Salters and Stracke 2003 pg.7).  In addition to this method all the samples with La > 5 ppm were rejected.  This, much like with the tests and criteria of the D-MORB values, is a method of removing low degree melts from the MORB data in order to come closer to a value for Depleted Mantle.  Salters & Stracke 2004
Fresh Mid-Ocean Ridge Basalts   Ce/P 0.19             Constant' ratios in MORB as taken from the 'All MORB' data set according to Salters and Stracke 2003.  The 'All MORB' data set is a compilation of 639 sample ratios to represent the MORB composition.  In using these values and applying a simple mathematical process order to remove the outliers, which are found by calculating the upper and lower quartile range, then applying the outlier criterion (explained in Salters and Stracke 2003 pg.7).  In addition to this method all the samples with La > 5 ppm were rejected.  This, much like with the tests and criteria of the D-MORB values, is a method of removing low degree melts from the MORB data in order to come closer to a value for Depleted Mantle.  Salters & Stracke 2004
Fresh Mid-Ocean Ridge Basalts   Ce/Pb 22.36             Constant' ratios in MORB as taken from the 'All MORB' data set according to Salters and Stracke 2003.  The 'All MORB' data set is a compilation of 639 sample ratios to represent the MORB composition.  In using these values and applying a simple mathematical process order to remove the outliers, which are found by calculating the upper and lower quartile range, then applying the outlier criterion (explained in Salters and Stracke 2003 pg.7).  In addition to this method all the samples with La > 5 ppm were rejected.  This, much like with the tests and criteria of the D-MORB values, is a method of removing low degree melts from the MORB data in order to come closer to a value for Depleted Mantle.  Salters & Stracke 2004
Fresh Mid-Ocean Ridge Basalts   La/Ce 0.3565             Constant' ratios in MORB as taken from the 'All MORB' data set according to Salters and Stracke 2003.  The 'All MORB' data set is a compilation of 639 sample ratios to represent the MORB composition.  In using these values and applying a simple mathematical process order to remove the outliers, which are found by calculating the upper and lower quartile range, then applying the outlier criterion (explained in Salters and Stracke 2003 pg.7).  In addition to this method all the samples with La > 5 ppm were rejected.  This, much like with the tests and criteria of the D-MORB values, is a method of removing low degree melts from the MORB data in order to come closer to a value for Depleted Mantle.  Salters & Stracke 2004
Fresh MORB in Indian Ocean 58 Ce 12.21           ppm Analyses on MORB glasses from the Indian Ocean as given by Klein et al. 1991. Klein 2004 Klein et al. 1991
Ganges River Particulates 58 Ce 98           µg/g Elemental particulates in major South American rivers. Averages for major elements are weighted according to the suspended load prior to the construction of dams, for trace elements the average contents are mean values. Martin & Meybeck 1979
Garnet Peridotites 58 Ce   4.12         ppm McDonough 1991 Maaloe & Aoki 1975
Jordan 1979
Boyd 1989
McDonough 1990
Garonne River Particulates 58 Ce 93           µg/g Elemental particulates in major South American rivers. Averages for major elements are weighted according to the suspended load prior to the construction of dams, for trace elements the average contents are mean values. Martin & Meybeck 1979
Gibson Lodranite 58 Ce 700           ng/g Trace element compositional data on Gibson Lodranite. Mittlefehldt 2004 Weigel et al. 1999
Goalpara Ureilite 58 Ce 510   50       ppb Rare earth element abundances of the Goalpara ureilite given in ppb. These analyses were performed by Radiochemical Neutron Activation Analysis in order to give more accurate abundances for the REE. Boynton et al. 1976
Granites 58 Ce 140.4         402 ppm Average of 369 subsamples and 33 composites. Gao et al. 1998
Granites 58 Ce 87.2         1226 ppm Average of 1140 subsamples and 86 composites. Gao et al. 1998
Granites 58 Ce 18.56         8 ppm Analysis of Glenelg River Complex Leucogranite represented in major and minor element abundances as well as slected trace element ratios given by Martin 1995 but plotted in Figure 5 of Kemp & Hawkesworth 2004. Kemp & Hawkesworth 2004 Kemp 2001
Granites 58 Ce 133           ppm Analysis of Archean Calc-Alkaline Type 1 & 2 Granite represented in major and minor element abundances as well as slected trace element ratios given by Martin 1995 but plotted in Figure 5 of Kemp & Hawkesworth 2004. Kemp & Hawkesworth 2004 Sylvester 1995
Granites 58 Ce 94           ppm Condie 1993
Granites 58 Ce 115           ppm Condie 1993
Granites 58 Ce 95           ppm Condie 1993
Granulites 58 Ce 44           ppm Lower crust composition based on the estimates of Weaver and Tarney 1982. The lower crust itself was found to have the composition of Archaean Lewisian granulite facies gneiss. Weaver & Tarney 1984 Weaver & Tarney 1982
Granulites 58 Ce 72 52       280 ppm Average of granulite facies terrains. Rudnick & Presper 1990
Granulites 58 Ce 68 47       447 ppm Average of granulite facies terrains. Rudnick & Presper 1990
Granulites   Ce[n]/Yb[n] 9.3             Lower crust composition based on the estimates of Weaver and Tarney 1982. The lower crust itself was found to have the composition of Archaean Lewisian granulite facies gneiss. Weaver & Tarney 1984 Weaver & Tarney 1982
Granulitic Xenolites 58 Ce 27.8 19.7       145 ppm Average of granulite facies xenoliths. Rudnick & Presper 1990
Graywackes 58 Ce 60           ppm Condie 1993
Graywackes 58 Ce 50           ppm Condie 1993
Graywackes 58 Ce 52           ppm Condie 1993
Graywackes 58 Ce 68           ppm Condie 1993
Graywackes 58 Ce 62           ppm Condie 1993
Graywackes 58 Ce 61           ppm Condie 1993
Greater Antilles Basalt 58 Ce 14.06         16 ppm Average major and trace element values for Greater Antilles Arc Basalts given in weight percent and parts per million respectively. Kelemen et al. 2004
Green Clay 58 Ce 38.69         3 ppm Silty clay (37.5%), clay (50%) and nannofossil ooze (12.5%) make up this section. Two analyses have been made for silty clay and the clay lithologies, whereas the ooze is assumed to contain 56% CaO, 44% CO2 and 1000 ppm Sr. Plank & Langmuir 1998
Greywackes 58 Ce 58           ppm Total average of group averages from USA, Canada, Australia, Sri Lanka and Germany using an equal statistical weight. Wedepohl 1995
Hydrothermal Sediment 58 Ce 38.08         4 ppm Average of 4 hydrothermal sediments or clays using DCP analyses. Plank & Langmuir 1998
Ibitira Eucrite 58 Ce 5680           ng/g Trace element compositional data on Ibitira Eucrite. Mittlefehldt 2004 Jarosewich 1990
Barrat et al. 2000
Igneous Rocks 58 Ce 3.1           ppm Element abundances of Moore County eucrites as found by various other sources.  These values are used for comparison to values obtained in this study (Morgan et al. 1978) according to some form of Neutron Activation Analysis. Morgan et al. 1978 Wanke & Palme 1974
Interior North China Craton 58 Ce 62.5           ppm Compostional estimate of the interior of the North China craton. Calculated on a sedimentary carbonate rock-free basis. Gao et al. 1998
Interior North China Craton 58 Ce 56.6           ppm Compostional estimate of the interior of the North China craton. Gao et al. 1998
Interior North China Craton 58 Ce 56.9           ppm Compostional estimate of the interior of the North China craton. Average compostion of granulite terrains and calculated on a sedimentary carbonate rock-free basis. Gao et al. 1998
Interior North China Craton 58 Ce 46.2           ppm Compostional estimate of the interior of the North China craton. Average compostion of granulite terrains. Gao et al. 1998
Interior North China Craton 58 Ce 56.2           ppm Compostional estimate of the interior of the North China craton. Includes sedimentary carbonates. Gao et al. 1998
Interlayerd Clay & Chert 58 Ce 12.05         2 ppm Bottom 65 m of a total section that is 335 m thick (Site 581) dominated by interlayered clay and chert. Plank & Langmuir 1998
Interlayered Chert & Limestone 58 Ce 13.77         5 ppm Average of 5 chert and limestone analyses. Due to the poor recovery of these notoriously hard chert beds, this chert section may be overdiluted by silica causing an underestimation of the geochemical abundances. The dilution factors have therefore been based on the down-core logging for SiO2 contents. The logging data was also used to determine the average CaO as calcium carbonate to dilute all elements (except Sr) accordingly. Plank & Langmuir 1998
Interlayered Clay & Chert 58 Ce 157.3         12 ppm This interval is estimated to be 25% chert based on core descriptions. Average clay from 30-58 m depth is diluted with 25% chert at 100% Si. Average of 12 cherts and clays using DCP analyses. Plank & Langmuir 1998
Intermediate Granulites 58 Ce 48.5         136 ppm Average of 115 subsamples and 21 composites. Gao et al. 1998
Intermediate Mafic Archean Granulites 58 Ce 74 58       67 ppm Median values are used instead of average values in the model calculations to avoid outlyers of small sample populations. Rudnick & Fountain 1995
Intermediate Mafic Granulitic Xenolites 58 Ce 32 22       29 ppm Median values are used instead of average values in the model calculations to avoid outlyers of small sample populations. Rudnick & Fountain 1995
Intermediate Mafic Post-Archean Granulites 58 Ce 56 50       65 ppm Median values are used instead of average values in the model calculations to avoid outlyers of small sample populations. Rudnick & Fountain 1995
Island Arc Andesite 58 Ce             ppm Average major and trace element values from Primitive Oceanic Arc Andesites given by Kelemen et al. 2004. All major element oxide values are given in wt. % and trace elements in ppm. Kelemen et al. 2004
Island Arc Andesite 58 Ce 15.67         181 ppm Average major and trace element values for Average Oceanic Arc Basalt given in weight percent and parts per million respectively. Kelemen et al. 2004
Island Arcs 58 Ce 35         323 ppm Analysis of Continental Arc Granite from the Peninsula Range Batholith represented in major and minor element abundances as well as slected trace element ratios given by Martin 1995 but plotted in Figure 5 of Kemp & Hawkesworth 2004. Kemp & Hawkesworth 2004 Silver & Chappell 1998
Island Arcs 58 Ce 38           ppm Taylor & McLennan 1995
Izu-Bonin Trench 58 Ce 31.35           ppm Bulk composition estimate of sediments approaching the trench based on DSDP and ODP drill sites. Confidence level = 4 or low. Plank & Langmuir 1998
Japan Trench 58 Ce 50.11           ppm Bulk composition estimate of sediments approaching the trench based on DSDP and ODP drill sites. Confidence level = 2 or high. Plank & Langmuir 1998
Java Trench 58 Ce 86.08           ppm Bulk composition estimate of sediments approaching the trench based on DSDP and ODP drill sites. Confidence level = 1 or highest. Plank & Langmuir 1998
Juvinas Eucrite 58 Ce 7.1           ppm Element concentrations for Juvinas eucrite as analyzed by various different sources.  This particular sample has been studied quite a bit, so relevant data to compare to values found by this study (Morgan et al. 1978) are in great abundance. Morgan et al. 1978 Schnetzler & Philpotts 1969
Kamchatka Basalt 58 Ce 16.89         41 ppm Average major and trace element values for Kamchatka Arc Basalts given in weight percent and parts per million respectively. Kelemen et al. 2004
Kamchatka Trench 58 Ce 16.88           ppm Bulk composition estimate of sediments approaching the trench based on DSDP and ODP drill sites. Confidence level = 3 or moderate. Plank & Langmuir 1998
Kerm Trench 58 Ce 97.78           ppm Bulk composition estimate of sediments approaching the trench based on DSDP and ODP drill sites. Confidence level = 4 or low. Plank & Langmuir 1998
Kermadec Basalts 58 Ce 15.27         10 ppm Average major and trace element values for Kermadec Arc Basalts given in weight percent and parts per million respectively. Kelemen et al. 2004
Kimberlite 58 Ce 331         22 ppm Average major and trace element composition and selected isotopic ratio data for Koidu Kimberlites from Sierra Leone. Farmer 2004 Taylor et al. 1994
Komatiites 58 Ce 1.7           ppm Condie 1993
Kuriles Trench 58 Ce 50.11           ppm Bulk composition estimate of sediments approaching the trench based on DSDP and ODP drill sites. Confidence level = 2 or high. Plank & Langmuir 1998
Late Archean Upper Crust 58 Ce 56.8           ppm Map model. Concentrations are directly calculated from rock proportions scaled from geologic maps and stratigraphic successions as summarized in Table 2. Condie 1993
Late Archean Upper Crust 58 Ce 56           ppm Restoration model. Concentrations are calculated after restoration of the amount of crust lost be erosion, in particular, important when estimating the composition of juvenile continental crust. The restoration is performed based on geologic maps and stratigraphic successions as summarized in Table 2. Condie 1993
Late Proterozoic Upper Crust 58 Ce 65.3           ppm Restoration model. Concentrations are calculated after restoration of the amount of crust lost be erosion, in particular, important when estimating the composition of juvenile continental crust. The restoration is performed based on geologic maps and stratigraphic successions as summarized in Table 2. Condie 1993
Late Proterozoic Upper Crust 58 Ce 59.8           ppm Map model. Concentrations are directly calculated from rock proportions scaled from geologic maps and stratigraphic successions as summarized in Table 2. Condie 1993
Lesser Antilles Basalt 58 Ce 18.94         56 ppm Average major and trace element values for Lesser Antilles Arc Basalts given in weight percent and parts per million respectively. Kelemen et al. 2004
Lower Continental Crust 58 Ce 20           µg/g Major and trace element compositional estimates of the lower continental crust as given by Rudnick and Fountain 1995 using global average seismic velocities and granulites. Major element oxides are given in wt.% and trace elements in either ng/g or ¿g/g. Rudnick & Gao 2004 Rudnick & Fountain 1995
Lower Continental Crust 58 Ce 45           µg/g Major and trace element compositional estimates of the lower continental crust as given by Shaw et al. 1994 using Kapuskasing Structural Zone granulites. Major element oxides are given in wt.% and trace elements in either ng/g or ¿g/g. Rudnick & Gao 2004 Shaw et al. 1994
Lower Continental Crust 58 Ce 28           µg/g Major and trace element compositional estimates of the lower continental crust as given by Rudnick and Taylor 1987 using lower crustal xenoliths from the McBride Province, Queensland, Australia. Major element oxides are given in wt.% and trace elements in either ng/g or ¿g/g. Rudnick & Gao 2004 Rudnick & Taylor 1987
Lower Continental Crust 58 Ce 46           µg/g Major and trace element compositional estimates of the lower continental crust as given by Condie and Selverstone 1999 using lower crustal xenoliths from the four corners region, Colorado Plateu, USA. Major element oxides are given in wt.% and trace elements in either ng/g or ¿g/g. Rudnick & Gao 2004 Condie & Selverstone 1999
Lower Continental Crust 58 Ce 73           µg/g Major and trace element compositional estimates of the lower continental crust as given by Villaseca et al. 1999 using lithologic proportions of lover crustal xenoliths from Central Spain. Major element oxides are given in wt.% and trace elements in either ng/g or ¿g/g. Rudnick & Gao 2004 Villaseca et al. 1999
Lower Continental Crust 58 Ce 36           µg/g Major and trace element compositional estimates of the lower continental crust as given by Liu et al. 2001 using lower crustal xenoliths from Hannuoba, North China Craton. Major element oxides are given in wt.% and trace elements in either ng/g or ¿g/g. Rudnick & Gao 2004 Liu et al. 2001
Lower Continental Crust 58 Ce 23           µg/g Major and trace element compositional estimates of the lower continental crust as given by Taylor and McLennan 1985, 1995 using average lower crustal abundances. Major element oxides are given in wt.% and trace elements in either ng/g or ¿g/g. Rudnick & Gao 2004 Taylor & McLennan 1985
Taylor & McLennan 1995
Lower Continental Crust 58 Ce 53           µg/g Major and trace element compositional estimates of the lower continental crust as given by Wedepohl 1995 using lower crust in Western Europe derived from siesmic data and granulite xenolith composition. Major element oxides are given in wt.% and trace elements in either ng/g or ¿g/g. Rudnick & Gao 2004 Wedepohl 1995
Lower Continental Crust 58 Ce 20           µg/g Recommended composition of the Lower Continental crust as given by various sources. Major element oxides are given in wt.% and trace element concentrations are given in either ng/g or ¿g/g. Rudnick & Gao 2004 Rudnick & Fountain 1995
Lower Continental Crust 58 Ce 53           µg/g Major and trace element compositional estimates of the lower continental crust as given by Gao et al. 1998a using seismic velocities and granulite data from the North China craton. Major element oxides are given in wt.% and trace elements in either ng/g or ¿g/g. Rudnick & Gao 2004 Gao et al. 1998a
Lower Continental Crust 58 Ce 44           µg/g Major and trace element compositional estimates of the lower continental crust as given by Weaver and Tarney 1984 using Scourian granulites from Scotland. Major element oxides are given in wt.% and trace elements in either ng/g or ¿g/g. Rudnick & Gao 2004 Weaver & Tarney 1984
Lower Continental Crust 58 Ce 21           µg/g Major and trace element compositional estimates of the lower continental crust as given by Rudnick and Presper 1990 using median worldwide lower crustal xenoliths. Major element oxides are given in wt.% and trace elements in either ng/g or ¿g/g. Rudnick & Gao 2004 Rudnick & Presper 1990
Lower Continental Crust 58 Ce 20           ppm Major and minor element composition of the Lower Crust of the Earth with selected trace element ratios as given by Rudnick and Gao 2004. Kemp & Hawkesworth 2004 Rudnick & Gao 2004
Lower Continental Crust 58 Ce 53.1           ppm LCC = Rudnick & Presper (1990) in the proportions of Figure 2. Wedepohl 1995
Lower Continental Crust 58 Ce 20           ppm Rudnick & Fountain 1995
Lower Continental Crust 58 Ce 23           ppm Taylor & McLennan 1995
Luzon Basalt 58 Ce 32.76         13 ppm Average major and trace element values for Luzon Arc Basalts given in weight percent and parts per million respectively. Kelemen et al. 2004
MAC 88177 Lodranite 58 Ce 100           ng/g Trace element compositional data on Lodranite MAC 88177. Mittlefehldt 2004 Weigel et al. 1999
Macibini Eucrites 58 Ce 8210           ng/g Trace element compositional data on Macibini Eucrite. Mittlefehldt 2004 McCarthy et al. 1973
Buchanan et al. 2000b
Mafic Archean Granulites 58 Ce 37 20       72 ppm Median values are used instead of average values in the model calculations to avoid outlyers of small sample populations. Rudnick & Fountain 1995
Mafic Granulites 58 Ce 31.8         128 ppm Average of 93 subsamples and 35 composites. Gao et al. 1998
Mafic Granulitic Xenolites 58 Ce 19 12       122 ppm Median values are used instead of average values in the model calculations to avoid outlyers of small sample populations. Rudnick & Fountain 1995
Mafic Intrusions 58 Ce 49.8         308 ppm Average of 276 subsamples and 32 composites. Gao et al. 1998
Mafic Post-Archean Granulites 58 Ce 48 24       41 ppm Median values are used instead of average values in the model calculations to avoid outlyers of small sample populations. Rudnick & Fountain 1995
Makran Trench 58 Ce 81.68           ppm Bulk composition estimate of sediments approaching the trench based on DSDP and ODP drill sites. Confidence level = 3 or moderate. Plank & Langmuir 1998
Manganese Nodules 58 Ce 530           ppm Average concentrations of various elements found in deep sea Manganese nodules.  Sea salt components are subtracted assuming all chloride is of seawater origin. Li 1991 Baturin 1988
Haynes et al. 1986
Marianas Basalt 58 Ce 11.73         51 ppm Average major and trace element values for Marianas Arc Basalts given in weight percent and parts per million respectively. Kelemen et al. 2004
Marianas Trench 58 Ce 31.54           ppm Bulk composition estimate of sediments approaching the trench based on DSDP and ODP drill sites. Confidence level = 1 or highest. Plank & Langmuir 1998
Marine Apatites 58 Ce       14 160 13 ppm Range of rare earth element contents in ppm for sedimentary marine apatites. Values based on analyses of 13 rock samples from different localites. Altschuller 1980
Marine Apatites 58 Ce 104         13 ppm Average contents of Rare Earth Elements in sedimentary marine apatites as based from 13 sample analyses from a range of different localities. Data was obtained by Instrumental Neutron Activation Analysis or Quantitative spectroscopy following chemical separation. Altschuller 1980
Marine Organisms 58 Ce 0.23           ppm Concentration values of various elements found in marine organisms. Element concentrations are mainly from brown algae data from Bowen 1979, which are also indicative of phytoplankton and zooplankton. Li 1991 Bowen 1979
Elderfield & Greaves 1982
Marine Pelagic Clay 58 Ce 106           ppm Average concentrations for various elements enriched in Oceanic Pelagic Clays.  Compared to the element values of Shales, the Pelagic Clays are relatively similar with few exceptions.   All sea salt components are subtracted from the sample analysis assuming all chloride is of seawater origin. Li 1991 Turekian & Wedepohl 1961
Rankin & Glasby 1979
Marine Pelagic Clay 58 Ce 100           ppm Average concentrations of elements in oceanic pelagic clays.  The elemental values found in the Pelagic clays give good indications on river input of elements to the oceans.  From river sources to mid oceanic ridge sinks this is also a good indicator of atmospheric conditions for varying periods of world history.   Li 1982 Piper 1974
Marine Shales 58 Ce 70           ppm Average concentrations of various elements in shales, note that the values are within a factor of two or better as compared to Oceanic Pelagic Clays with a few exceptions.  The exceptions, as far as this reference is concerned, are not critical and any conclusions drawn are applicable to both Oceanic Pelagic Clays and Shales.  Li 1991 Turekian & Wedepohl 1961
Haskin & Haskin 1966
Marine Shales 58 Ce 91         36 ppm Average rare earth elemental contents of European paleozoic shales as taken from Hermann 1970. Contents based on analyeses from 36 shales sampled. Altschuller 1980 Hermann 1970
Marine Shales   Ce/La 2.1             Ratios of trace element values given in table 5 for Shale according to Turekian and Wedepohl 1961. Values used to differentiate Shale, Phosphorite and Apatite. Altschuller 1980 Turekian & Wedepohl 1961
Mavic Volcanics 58 Ce 55.2         632 ppm Average of 538 subsamples and 49 composites. Gao et al. 1998
Mekong River Particulates 58 Ce 93           µg/g Elemental particulates in major South American rivers. Averages for major elements are weighted according to the suspended load prior to the construction of dams, for trace elements the average contents are mean values. Martin & Meybeck 1979
Melitite-rich Chondrules 58 Ce 11     8.2 12 10 ppm Melilite-rich chondrules which are spherical aggregates of melilite, Ti-rich fassaite, spinel and anorthite with a coarsely crystalline igneous texture.  These chondrules have high Al2O3 content as well as CaO and an unfractionated REE pattern that averages 10-15 times normal chondritic abundances. Martin & Mason 1974
Mesozoic & Cenozoic Extensions 58 Ce 36           ppm Lower crustal rocks are combined in proportions as indicated in Figure 2. Average compositions were calculated using mafic granulitic xenoliths since these xenoliths are believed to represent the lowermost continental crust. Rudnick & Fountain 1995
Mesozoic & Cenozoic Extensions 58 Ce 54           ppm Rudnick & Fountain 1995
Mesozoic & Cenozoic Orogens 58 Ce 50           ppm Rudnick & Fountain 1995
Mesozoic & Cenozoic Orogens 58 Ce 36           ppm Lower crustal rocks are combined in proportions as indicated in Figure 2. Average compositions were calculated using mafic granulitic xenoliths since these xenoliths are believed to represent the lowermost continental crust. Rudnick & Fountain 1995
Mesozoic & Cenozoic Upper Crust 58 Ce 55.7           ppm Map model. Concentrations are directly calculated from rock proportions scaled from geologic maps and stratigraphic successions as summarized in Table 2. Condie 1993
Mesozoic & Cenozoic Upper Crust 58 Ce 59.3           ppm Restoration model. Concentrations are calculated after restoration of the amount of crust lost be erosion, in particular, important when estimating the composition of juvenile continental crust. The restoration is performed based on geologic maps and stratigraphic successions as summarized in Table 2. Condie 1993
Metafelsic Volcanics 58 Ce 86.1         41 ppm Average of 38 subsamples and 3 composites. Gao et al. 1998
Metalliferous Clay 58 Ce 403.45         12 ppm Average of 12 metalliferous clays between 10-30 m depth using DCP analyses. Plank & Langmuir 1998
Metapelitic Granulitic Xenolites 58 Ce 71 50       44 ppm Median values are used instead of average values in the model calculations to avoid outlyers of small sample populations. Rudnick & Fountain 1995
Mexico Trench 58 Ce 87.07           ppm Bulk composition estimate of sediments approaching the trench based on DSDP and ODP drill sites. Confidence level = 2 or high. Plank & Langmuir 1998
Middle Continental Crust 58 Ce 69           µg/g Major and Minor element compositional estimates of the Middle Continental crust as given by Weaver and Tarney 1984. Major element oxides are given in wt.% and trace elements abundances are given in ¿g/g or ng/g. Rudnick & Gao 2004 Weaver & Tarney 1984
Middle Continental Crust 58 Ce 45           ppm Rudnick & Fountain 1995
Middle Continental Crust 58 Ce 53           ppm Major and minor element composition of the Middle Crust of the Earth with selected trace element ratios as given by Rudnick and Gao 2004. Kemp & Hawkesworth 2004 Rudnick & Gao 2004
Middle Continental Crust 58 Ce 53   11       µg/g Major and Minor element compositional estimates of the Middle Continental crust as given by This Study (Rudnick and Gao 2004). Major element oxides are given in wt.% and trace elements abundances are given in ¿g/g or ng/g. Rudnick & Gao 2004
Middle Continental Crust 58 Ce 60.3           µg/g Major and Minor element compositional estimates of the Middle Continental crust as given by Gao et al. 1998a. Major element oxides are given in wt.% and trace elements abundances are given in ¿g/g or ng/g. Rudnick & Gao 2004 Gao et al. 1998
Middle Continental Crust 58 Ce 42.1           µg/g Major and Minor element compositional estimates of the Middle Continental crust as given by Shaw et al. 1994. Major element oxides are given in wt.% and trace elements abundances are given in ¿g/g or ng/g. Rudnick & Gao 2004 Shaw et al. 1994
Middle Continental Crust 58 Ce 45           µg/g Major and Minor element compositional estimates of the Middle Continental crust as given by Rudnick and Fountain 1995. Major element oxides are given in wt.% and trace elements abundances are given in ¿g/g or ng/g. Rudnick & Gao 2004 Rudnick & Fountain 1995
Middle Proterozoic Upper Crust 58 Ce 64.3           ppm Restoration model. Concentrations are calculated after restoration of the amount of crust lost be erosion, in particular, important when estimating the composition of juvenile continental crust. The restoration is performed based on geologic maps and stratigraphic successions as summarized in Table 2. Condie 1993
Middle Proterozoic Upper Crust 58 Ce 58.4           ppm Map model. Concentrations are directly calculated from rock proportions scaled from geologic maps and stratigraphic successions as summarized in Table 2. Condie 1993
Miles IIE Iron 58 Ce 2400           ng/g Trace element compositional data on Miles IIE Iron. Mittlefehldt 2004 Ebihara et al. 1997
Moore County Eucrite 58 Ce 3380           ng/g Trace element compositional data on Moore County Eucrite. Mittlefehldt 2004 Barrat et al. 2000
McCarthy et al. 1973
MORB Basaltic Glass 58 Ce 10.6           ppm MORB Glass WASRAI2-057-006 from the East Pacific Rise near the Clipperton Transform that along with 4 other samples from this region form a coherent liquid line of descent for fractional crystalization from the highest MgO magma. Klein 2004 Lehnert 2000
MORB Basaltic Glass 58 Ce 12.09           ppm MORB Glass ODP0142-0864A-001M-003/0-3 from the East Pacific Rise near the Clipperton Transform that along with 4 other samples from this region form a coherent liquid line of descent for fractional crystalization from the highest MgO magma. Klein 2004 Lehnert 2000
MORB Basaltic Glass 58 Ce 16.8           ppm MORB Glass MELPHNX-2-068-001 from the East Pacific Rise near the Clipperton Transform that along with 4 other samples from this region form a coherent liquid line of descent for fractional crystalization from the highest MgO magma. Klein 2004 Lehnert 2000
MORB Basaltic Glass 58 Ce 18.2           ppm MORB Glass MELPHNX-2-GC083 from the East Pacific Rise near the Clipperton Transform that along with 4 other samples from this region form a coherent liquid line of descent for fractional crystalization from the highest MgO magma. Klein 2004 Lehnert 2000
N-MORB 58 Ce 10.4           ppm Analyses on N-MORB from the Northern section of the East Pacific Rise as reported by Niu et al. 1999. Klein 2004 Niu et al. 1999
N-MORB 58 Ce 12           ppm Values of N-MORB taken from varying sources for comparison to 735B gabbro composition analyzed in Hart et al. 1999. Hart et al. 1999 Hofmann 1988
Ito et al. 1987
Smith et al. 1995
Hauri & Hart 1997
N-MORB 58 Ce 12.001   4.812     26 ppm Trace element average abundances for N-MORB as taken from analysis of 26 fresh MORB glasses defined N-type by the light-REE depletion.  These values were originally measured by Jochum et al. 1988. All standard deviations were calculated from percent values given in Hofmann 1988 (Table 1). Hofmann 1988 Jochum et al. 1988
N-MORB 58 Ce 17.1           ppm Analyses on N-MORB from the Mid-Cayman Rise. Glass compositions reported in ReidgePetDB for sample KNO0054-027-005 then augmented with BA, V and Y data on a similar sample reported by Thompson et al. 1980 and the sole isotopic analysis of a Mid-Cayman rise basalt from RidgePetDB. Klein 2004 Thompson et al. 1980
N-MORB 58 Ce 5.99           ppm Compositie analyses on N-MORB glasses from the Mid-Atlantic Ridge as reported in the RidgePetDB database. Major and most trace elements for this N-type MORB are taken from the sample EW19309-012-00. Klein 2004 Lehnert 2000
N-MORB 58 Ce 4.1           ppm Analyses of Kolbeinsey Ridge N-MORB which is a high F and high P MORB. These analyses were taken from the Ridge PetDB for sample POS0158-404-00 with major and trace elements derived from whole rock powders, Pb, Sr, Rb and isotope ratios derived from glasses. Klein 2004 Lehnert 2000
Nakhla Meteorite 58 Ce 5.87   0.37       ppm Mars elemental abundances as given by Nakhla meteorite (nakhlite) as given in Lodders 1988. McSween, Jr. 2004 Lodders 1998
Nankai Trench 58 Ce 74.85           ppm Bulk composition estimate of sediments approaching the trench based on DSDP and ODP drill sites. Confidence level = 1 or highest. Plank & Langmuir 1998
Nanno Ooze 58 Ce 5.65         2 ppm Based on the nanno ooze of the nearby Site 320 (Hole et al., 1984) since no geochemical data exists for Site 321. Plank & Langmuir 1998
Nano Ooze 58 Ce 20.38         4 ppm Average of 4 nanno oozes after Peate et al. (1997) that have been diluted by the percentages of pure CaCO3 in the drill cores. The biogenic diluent is 28% CaCO3 in this 114 m deep unit. The average was calculated after renormalizing the analyses on a CaCO3-free basis followed by the dilution appropriate for these drill cores. Core estimates have been weigthed by the height of the drilled intervals. Plank & Langmuir 1998
New Hebrides Islands 58 Ce 19.26         20 ppm Average major and trace element values for New Hebrides Arc Basalts given in weight percent and parts per million respectively. Kelemen et al. 2004
North American Shale Composite (NASC) 58 Ce 67           ppm Major oxide and minor element compositions for North American Shale Composite. No source reference found in text.  Condie 1993
North American Shale Composite (NASC) 58 Ce 10.8           ppm Major, minor and trace element concentrations of eucrites from Ibitira which is a vesicular unbrecciated eucrite sample. The vesicular nature of Ibitira is possibly due to the fact that it crystallzed at a low pressure relative to other eucrites. This sample has been analyzed according to Neutron Activation using a single chip of the Ibitira sample.  Morgan et al. 1978
North Antilles Trench 58 Ce 82.83           ppm Bulk composition estimate of sediments approaching the trench based on DSDP and ODP drill sites. Confidence level = 2 or high. Plank & Langmuir 1998
North Atlantic Ocean Deep Water 58 Ce 26.1             North Atlantic deep water at 2500 m after Elderfield & Greaves (1983). Bruland 1983 Elderfield & Greaves 1983
North Atlantic Ocean Surface Water 58 Ce 16.8             North Atlantic surface water at 100m after Elderfield & Greaves (1983). Bruland 1983 Elderfield & Greaves 1983
North Pacific Ocean Deep Water 58 Ce 20             North Pacific deep water at 1690 m after Masuda & Ikeuchi (1979) as measured at 30¿28'N and 138¿49'E. Bruland 1983 Masuda & Ikeuchi 1979
North Qinling Belt in China 58 Ce 53           ppm Compostional estimate of the North Qinling orogenic belt. The middle crust of the North Qinling belt is assumed to consist of the underthrusted South Qinling middle crust (see text for explanation). Gao et al. 1998
North Qinling Belt in China 58 Ce 71.8           ppm Compostional estimate of the North Qinling orogenic belt. Average composition of granulite terrains. Gao et al. 1998
North Qinling Belt in China 58 Ce 62.3           ppm Compostional estimate of the Northern Qinling orogenic belt. Average compostion of granulite terrains and calculated on a sedimentary carbonate rock-free basis. Gao et al. 1998
North Qinling Belt in China 58 Ce 60.8           ppm Compostional estimate of the North Qinling orogenic belt. Includes sedimentary carbonates. Gao et al. 1998
North Qinling Belt in China 58 Ce 67           ppm Compostional estimate of the North Qinling orogenic belt. Calculated on a sedimentary carbonate rock-free basis. Gao et al. 1998
Northern Blake Plateau Phosphorites 58 Ce 0.097           wt% Rare Earth Distribution in the Blake Plateau depostis, more specifically Manganese/Iron Nodules, determined by Instrumental Neutron Activation Analysis. Manheim et al. 1980 Ehrlich 1968
Novo-Urei Ureilite 58 Ce 180   20       ppb Rare earth element abundances of the Novo-Urei ureilites given in ppb. These analyses were performed by Radiochemical Neutron Activation Analysis in order to give more accurate abundances for the REE. Boynton et al. 1976
Nuevo Laredo Eucrite 58 Ce 10000           ng/g Trace element compositional data on Nuevo Laredo Eucrites. Mittlefehldt 2004 Warren & Jerde 1987
Oceanic Crust 58 Ce 12           ppm Minor and trace element averages for the Oceanic crust based on Hofmann 1988 and Wedepohl 2024 Wedepohl & Hartmann 1994 Hofmann 1988
Oceanic Crust 58 Ce 15.6           ppm Minor and trace element averages for the Oceanic crust based on Hofmann 1988 and Wedepohl 2023 Wedepohl & Hartmann 1994 Wedepohl 1981
Oceanic Plateaus 58 Ce 16.55           ppm Representative analyses of Cretaceous oceanic plateau lavas from the Carribean-Colombian Oceanic Plateau Colombia locality, sample VIJ1. Values taken from Kerr et al. 1997 and Hauff et al. 2000b. Kerr 2004 Kerr et al. 1997
Hauff et al. 2000
Oceanic Plateaus 58 Ce 0.57           ppm Representative analyses of Cretaceous oceanic plateau lavas from the Carribean-Colombian Oceanic Plateau Gorgona locality, sample GOR94-35. Values taken from unpublished information. Kerr 2004
Oceanic Plateaus 58 Ce 39.3           ppm Representative analyses of Cretaceous oceanic plateau lavas from the Kerguelen Plateau ODP site 738, sample 34-1 and 88-92. Values taken from Mahoney et al. 1995. Kerr 2004 Mahoney et al. 1995
Oceanic Plateaus 58 Ce 8.9           ppm Representative analyses of Cretaceous oceanic plateau lavas from the Kerguelen Plateau ODP site 750, sample 17-3 and 23-26.  Information taken from Salters et al. 1992. Kerr 2004 Salters et al. 1992
Oceanic Plateaus 58 Ce 2.99           ppm Representative analyses of Cretaceous oceanic plateau lavas from the Carribean-Colombian Oceanic Plateau Gorgona locality, sample GOR117. Values taken from Aitken & Echeverria, Dupre & Echeverria and Jochum et al. 1991. Kerr 2004 Aitken & Echeverria 1984
Dupre & Echeverria 1984
Jochum et al. 1991
Oceanic Plateaus 58 Ce 16.1           ppm Representative analyses of Cretaceous oceanic plateau lavas from the Kerguelen Plateau ODP site 749, sample 15-5 and 125-7.  Information taken from Salters et al. 1992. Kerr 2004 Salters et al. 1992
Oceanic Plateaus 58 Ce 2.17           ppm Representative analyses of Cretaceous oceanic plateau lavas from the Carribean-Colombian Oceanic Plateau Gorgona locality, sample GOR160. Values taken from Aitken & Echeverria, Dupre & Echeverria and Jochum et al. 1991. Kerr 2004 Aitken & Echeverria 1984
Dupre & Echeverria 1984
Jochum et al. 1991
Oceanic Plateaus 58 Ce 224           ppm Representative analyses of Cretaceous oceanic plateau lavas from the Kerguelen Plateau ODP site 748, sample 79-6 and 90-4.  Information taken from Salters et al. 1992. Kerr 2004 Salters et al. 1992
Oceanic Plateaus 58 Ce 10.6           ppm Representative analyses of Cretaceous oceanic plateau lavas from the Ontong-Java Plateau Maliata locality, sample ML407. Values taken from Tejada et al. 2002. Kerr 2004 Tejada et al. 2002
Oceanic Plateaus 58 Ce 8.07           ppm Representative analyses of Cretaceous oceanic plateau lavas from the Ontong-Java Plateau ODP site 807, sample 88-3 and 76-79. Values taken from Mahoney et al. 1993a. Kerr 2004 Mahoney et al. 1993
Oceanic Plateaus 58 Ce 9.8           ppm Representative analyses of Cretaceous oceanic plateau lavas from the Carribean-Colombian Oceanic Plateau Colombia locality, sample SDB18. Values taken from Kerr et al. 1997 and Hauff et al. 2000b. Kerr 2004 Kerr et al. 1997
Hauff et al. 2000
Oceanic Plateaus 58 Ce 14.59           ppm Representative analyses of Cretaceous oceanic plateau lavas from the Ontong-Java Plateau ODP site 807, sample 75-4 and 46-48. Values taken from Mahoney et al. 1993a. Kerr 2004 Mahoney et al. 1993
Oceanic Plateaus 58 Ce 9.9           ppm Representative analyses of Cretaceous oceanic plateau lavas from the Ontong-Java Plateau Santa Isabel locality, sample I96. Values taken from Tejada et al. 1996. Kerr 2004 Tejada et al. 1996
Oceanic Plateaus 58 Ce 6.33           ppm Representative analyses of Cretaceous oceanic plateau lavas from the Carribean-Colombian Oceanic Plateau Colombia locality, sample COL472. Values taken from Kerr et al. 2002. Kerr 2004 Kerr et al. 2002
Oceanic Plateaus 58 Ce 12.6           ppm Representative analyses of Cretaceous oceanic plateau lavas from the Ontong-Java Plateau Maliata locality, sample SG1. Values taken from Tejada et al. 2002. Kerr 2004 Tejada et al. 2002
Oceanic Plateaus 58 Ce 25.5           ppm Representative analyses of Cretaceous oceanic plateau lavas from the Kerguelen Plateau ODP site 747, sample 16-5 and 103-6.  Information taken from Salters et al. 1992. Kerr 2004 Salters et al. 1992
Oceans Deep water 58 Ce 3.46           ng/kg Deep ocean water is ~1,000 m depth. Where possible data is from the Pacific ocean that shows the greates variations; otherwhise data is from the Atlantic ocean. Depth = 700 m. Quinby-Hunt & Turekian 1983 Elderfield & Greaves 1982
Oceans Surface water 58 Ce 2.35           ng/kg Surface or near-surface concentratio. Where possible data is from the Pacific ocean that shows the greates variations; otherwhise data is from the Atlantic ocean. Depth = 100 m. Quinby-Hunt & Turekian 1983 Elderfield & Greaves 1982
ODP Site 735 58 Ce 14.89 10.15       22 ppm Average of 22 composite strip samples as defined in Table 1. Hart et al. 1999
ODP/DSDP Site 417/418 58 Ce 6.01           ppm This analysis represents a super-composite for DSDP Sites 417 and 418 combined. The recipe for this composite can be found in Appendix 1. Staudigel et al. 1996
ODP/DSDP Site 417/418 58 Ce 6.19           ppm Super composite DSDP/ODP Site 417/418. Analyses by ICPM. Staudigel et al. 1995
Olivine Chondrules 58 Ce 4     2.5 4.8 3 ppm Olivine rich chondrules and aggregates that have an REE abundance pattern averaging three times that of chondrites with a slight Ce anomaly and a slight negative Eu anomaly. Martin & Mason 1974
Orangeite 58 Ce 337         114 ppm Average major and trace element composition and selected isotopic data for Orangeites from Swartuggens, Finisch, Bellsbank and Sover kimberlite localities in South Africa. Farmer 2004 Mitchell 1995
Orgueil Chondrite 58 Ce 619         8 ppb Orgueil meteorite measurements. Anders & Grevesse 1989
Orgueil Chondrite 58 Ce 619         8 ppb Solar system abundances of major and minor elements as based on studies from the Orgueil Meteorite. Abundances in the Orgueil meteorite are adequately close to the C1 chondrite mean except for REE, in which case other studies will yield more preferable results Anders & Ebihara 1982
Paleozoic Orogens 58 Ce 28           ppm Lower crustal rocks are combined in proportions as indicated in Figure 2. Average compositions were calculated using mafic granulitic xenoliths since these xenoliths are believed to represent the lowermost continental crust. Rudnick & Fountain 1995
Paleozoic Orogens 58 Ce 44           ppm Rudnick & Fountain 1995
Paleozoic Upper Crust 58 Ce 56.8           ppm Map model. Concentrations are directly calculated from rock proportions scaled from geologic maps and stratigraphic successions as summarized in Table 2. Condie 1993
Paleozoic Upper Crust 58 Ce 60.2           ppm Restoration model. Concentrations are calculated after restoration of the amount of crust lost be erosion, in particular, important when estimating the composition of juvenile continental crust. The restoration is performed based on geologic maps and stratigraphic successions as summarized in Table 2. Condie 1993
Pelagic Clay 58 Ce 136         6 ppm Average of 6 analyses weighted by depth interval. Plank & Langmuir 1998
Pelagic Clay 58 Ce 83.29         56 ppm Average of 56 sediments of Cretaceous age representing a diverse lithology including brown, gray, nanno, radiolarian and streaky clays. This section also includes turbidites and is very similar in composition as Site 765 in the East Sunda trench. This average is therefore based on both Site 261 and 765 data. Plank & Langmuir 1998
Pelagic Clay 58 Ce 83.29         56 ppm Average of 56 sediments of Cretaceous age representing a diverse lithology including brown, gray, nanno, radiolarian and streaky clays. This section also includes turbidites and is very similar in composition as Site 765 in the East Sunda trench. This average is therefore based on both Site 261 and 765 data. Plank & Langmuir 1998
Pelagic Clay 58 Ce 136           ppm The uppermost layer of the sediment from Hole 801 of ODP Leg 129. Values given are estimates of the composition of this 65m layer based on the methodology of Plank and Ludden 1992. Elliot et al. 1997
Pelagic Clay 58 Ce 201.3         3 ppm Middle 30 m of a total section that is 335 m thick (Site 581) dominated by pelagic clay. Plank & Langmuir 1998
Pelagic Clay 58 Ce 74.85         55 ppm ODP Site through the toe of the accretionary prism into the basement. Only 350 m of sediments underneath the decollement are considered and used in a simple mean for this homogeneous sedimentary section that was sampled 55 times for every 3-13 m of section. Plank & Langmuir 1998
Pelagic Clay 58 Ce 94.54         8 ppm Average of 8 sediments that are all younger than Campanian-Maastrichtian and are typically Fe-rich clays. The basal sediments may be of hydrothermal origin. Plank & Langmuir 1998
Pelagic Clay 58 Ce 248.47         6 ppm Average of 6 analyses weighted by depth interval. Plank & Langmuir 1998
Pelagic Clay   Ce/Ce* 0.6             The uppermost layer of the sediment from Hole 801 of ODP Leg 129. Values given are estimates of the composition of this 65m layer based on the methodology of Plank and Ludden 1992. Elliot et al. 1997
Pelites 58 Ce 91.1         69 ppm Average of 60 subsamples and 9 composites. Gao et al. 1998
Pelites 58 Ce 78.5         1341 ppm Average of 1238 subsamples and 103 composites. Gao et al. 1998
Pena Blanca Spring Aubrite 58 Ce 97.3           ng/g Trace element compositional data on Pe¿a Blanca Spring Aubrite. Mittlefehldt 2004 Wolf et al. 1983
Lodders et al. 1993
Peninsular Range Batholith 58 Ce 71           ppm Analysis of Archean Calc-Alkaline Type 1 & 2 Granite represented in major and minor element abundances as well as slected trace element ratios given by Martin 1995 but plotted in Figure 5 of Kemp & Hawkesworth 2004. Kemp & Hawkesworth 2004 Sylvester 1995
Periodotite Section in Ophiolites 58 Ce   0.42         ppm McDonough 1991
Peru Trench 58 Ce 21.85           ppm Bulk composition estimate of sediments approaching the trench based on DSDP and ODP drill sites. Confidence level = 4 or low. Plank & Langmuir 1998
Petersburg Eucrites 58 Ce 6300           ng/g Trace element compositional data on Petersburg Eucrite. Mittlefehldt 2004 Mason et al. 1979
Buchanan & Reid 1996
Phanerozoic Flood Basalts 58 Ce 22.9         1 ppm Major and trace element compositions as well as selected isotopic composition for Parana Flood Basalts in Gramado (Low Ti). Farmer 2004 Peate 1997
Phanerozoic Flood Basalts 58 Ce 90.4         1 ppm Major and trace element compositions as well as selected isotopic composition for Parana Flood Basalts in Urubici (High Ti). Farmer 2004 Peate 1997
Phanerozoic Flood Basalts 58 Ce 20.8         1 ppm Major and trace element compositions as well as selected isotopic composition for Parana Flood Basalts in Esmeralda (High Ti). Farmer 2004 Peate 1997
Phanerozoic Flood Basalts 58 Ce 20.4         7 ppm Major and trace element compositions as well as selected isotopic composition for Siberian Traps Flood Basalt Gudchikhinsky (Low Ti). Farmer 2004 Wooden et al. 1993
Phanerozoic Flood Basalts 58 Ce 36         9 ppm Major and trace element compositions as well as selected isotopic composition for Siberian Traps Flood Basalts Nadezhdinsky (High Ti). Farmer 2004 Wooden et al. 1993
Phanerozoic Flood Basalts 58 Ce 43.8         18 ppm Major and trace element compositions as well as selected isotopic composition for Deccan Traps Flood Basalts Kolhapur (Low Ti). Farmer 2004 Lightfoot et al. 1990
Phanerozoic Flood Basalts 58 Ce 37.6         6 ppm Major and trace element compositions as well as selected isotopic composition for Deccan Traps Flood Basalts Mahabaleshwar (High Ti). Farmer 2004 Lightfoot et al. 1990
Phanerozoic Flood Basalts 58 Ce 44.6         36 ppm Major and trace element compositions as well as selected isotopic composition for Columbia River Flood Basalts NW US (High Ti). Farmer 2004 Hooper & Hawkesworth 1993
Philip Trench 58 Ce 60.77           ppm Bulk composition estimate of sediments approaching the trench based on DSDP and ODP drill sites. Confidence level = 4 or low. Plank & Langmuir 1998
Phosphoria Formation 58 Ce 2         60 ppm Dark pelletal shaly phosphorites, average of the Retort (20) and Meade Peak (40) phosphatic shale members of the Phosphoria formation of the North Rocky Mountains, associated with black chert, shale and carbonates of the Permian geosyncline, P2O5 = 23-37%. Chemically determined, U.S. Geological Survey Lab. Detection Limit = 70 ppm. Altschuller 1980 Gulbrandsen 1966
Post-Archean Terrrains 58 Ce 76.2           ppm Average compositions of Early Proterozoic continental crust which were calculated from weighted percentages of supracrustal and plutonic rocks in exposed Precambrian provinces. Condie 1991
Precambrian Canadian Shield 58 Ce 65.6           ppm Shaw et al. 1986
Primitive Mantle 58 Ce 1.6011           ppm Trace element abundances in the Earth's Primitive mantle given in ppm as was first found by Hart and Zindler 1986. The major element factor of 2.51 was used to obtain the mantle values of the refractory trace elements from the abundances of C1 Carbonaceous chondrites. Hofmann 1988 Hart & Zindler 1986
Primitive Mantle 58 Ce 1785           ppb Elemental abundances of the Primitive Mantle of the Earth as given by various sources. This set of values are given as a comparison to those of the Bulk Continental Crust given by Rudnick & Gao of the Treatise on Geochemistry Chapter 3.1. Palme & O'Neill 2004
Primitive Mantle 58 Ce 1786   178.6       ppb Elemental composition of the Primitive Mantle of the Earth as given from this study and other various sources. These elemental values are compared to those of CI Chondrites given by Palme & Jones 2004 Treatise of Geochemistry. Comments given by the authors in reference to these values: RLE Palme & O'Neill 2004
Primitive Mantle 58 Ce 1675   168       ppb Pyrolite model for the silicate Earth composition based on peridotites, komatiites and basalts. Error estimate is subjective. McDonough & Sun 1995
Primitive Mantle 58 Ce 1.8           ppm Model compositions for Earth's Primitive mantle as based on analysis from McDonough & Sun 1989 (in prep). McDonough & Frey 1989 McDonough & Sun 1989
Primitive Mantle 58 Ce 1.4           ppm Model compositions for Earth's Primitive mantle as based on analysis from Anderson 1983. McDonough & Frey 1989 Anderson 1983
Primitive Mantle 58 Ce 1.436           ppm Model compositions for Earth's Primitive mantle as based on analysis from Taylor and McLennan 1985. McDonough & Frey 1989 Taylor & McLennan 1985
Primitive Mantle 58 Ce 1.56           ppm Model compositions for Earth's Primitive mantle as based on analysis from Hart and Zindler 1987. McDonough & Frey 1989 Hart & Zindler 1986
Primitive Mantle 58 Ce 1.73           ppm Model compositions for Earth's Primitive mantle as based on analysis from W¿nke et al. 1984. McDonough & Frey 1989 Wanke et al. 1984
Primitive Mantle 58 Ce 1.86           ppm Model compositions for Earth's Primitive mantle as based on analysis from Sun 1982. McDonough & Frey 1989 Sun 1982
Primitive Mantle 58 Ce 1.6           ppm Minor and trace element concentrations of the Primitive Mantle according to 4 sources (Jagoutz et al. 1979, Hart&Zindler 1986, Morgan 1986, Hofmann 1986) used as balances for calculations. Wedepohl & Hartmann 1994 Hofmann 1988
Primitive Mantle 58 Ce   1.83         ppm McDonough 1991 McDonough & Frey 1989
Sun 1982
Primitive Mantle 58 Ce 1.4           ppm The 'Second Approach' to calculate primitive mantle composition (according to Wedepohl & Hartmann 1991) utilizing 97.2% Balmuccia peridotite plus 2.8% bulk crust concentrations of 40 elements. The 2.8% infusing of bulk crust concentrations is due to the 3-6% parital melt loss of MORB-type prior to forming Balmuccia lherzolites. The 3-6% MORB therefore must be replaced in the Balmuccia lherzolite in the form of volatile elements so as to mimic the original concentrations of the primitive mantle. Wedepohl & Hartmann 1994 Wedepohl 1991
Primitive Mantle 58 Ce 0.93           ppm Primitive mantle 94% Balmuccia and 6% MORB. Primitive mantle concentrations derived from correlations of Li, Na, Sc, Ti, V, Gal, Y, Zr, HREE and Hf with Al2O3 in the peridotites at 4%. Wedepohl & Hartmann 1994
Protolith Gabbros at ODP Site 735 58 Ce 2.92         8 ppm Average of 8 protolith samples as defined in the footnote of Table 2 and Table 1. Hart et al. 1999
QUE 94201 Meteorite 58 Ce 1.47   0.23       ppm Mars elemental abundances as given by QUE94201 meteorite, which is a basalitc shergottite, as given in Lodders 1988. McSween, Jr. 2004 Lodders 1998
Radiolarian Clay 58 Ce 155.4         2 ppm The bulk composition of the radiolarian clay was calculated by first estimating the composition of the average clay in the region and then diluting it by 30% biogenic SiO2. Plank & Langmuir 1998
Radiolarian Clay 58 Ce 63.2         8 ppm The bulk composition of the radiolarian clay was calculated by first estimating the composition of the average clay in the region and then diluting it by 15% biogenic SiO2. Plank & Langmuir 1998
Radiolarian Clay 58 Ce 63.2         8 ppm The bulk composition of the radiolarian clay was calculated by first estimating the composition of the average clay in the region and then diluting it by 15% biogenic SiO2. Plank & Langmuir 1998
Radiolarian Clay 58 Ce 86.59         11 ppm This section contains 17% biogenic opal but the analyses were not diluted based on there SiO2 content. Since the average Rb concentratio is equal to the simple average in 11 analyses, simple averaging is applied here. Plank & Langmuir 1998
Radiolarites 58 Ce 12           ppm Estimates of the composition of the Radiolarite section of the sediment column from DSDP Hole 801. This section comprises the final layer of the column and all element values were estimated according to methods of Plank and Ludden 1992. Elliot et al. 1997
Radiolarites 58 Ce 24.93         17 ppm Average of 17 combined analyses weighted by interval height. Plank & Langmuir 1998
Radiolarites 58 Ce 12.02         4 ppm Average of 4 radiolarite analyses that have been corrected using dilution factors based on the down-core logging for SiO2 contents. Plank & Langmuir 1998
Radiolarites   Ce/Ce* 0.67             Estimates of the composition of the Radiolarite section of the sediment column from DSDP Hole 801. This section comprises the final layer of the column and all element values were estimated according to methods of Plank and Ludden 1992. Elliot et al. 1997
REE Fractionated CAI Inclusions 58 Ce 19     10 31 5 ppm Ca-Al rich aggregates with fractionated chondrite normalized REE abundance patterns composed mainly of spinel, fassaite, melilite and/or grossular and minor amounts of nepheline and sodalite. Martin & Mason 1974
REE Unfractionated CAI Inclusions 58 Ce 13     11 15 2 ppm CaAl-rich aggregates with unfractionated chondrite-normalized REE abundance patterns except for negative Eu and Yb anomalies.  This group is similar to the Group II aggregates with only small differences. Martin & Mason 1974
Rifted Continental Margins 58 Ce 43           ppm Rudnick & Fountain 1995
Rifted Continental Margins 58 Ce 16           ppm Lower crustal rocks are combined in proportions as indicated in Figure 2. Average compositions were calculated using mafic granulitic xenoliths since these xenoliths are believed to represent the lowermost continental crust. Rudnick & Fountain 1995
River Particulates 58 Ce 95           µg/g World averages for suspended matter in major world rivers. This particular array of rivers can lead to slightly biased results for certain trace elements since those elements are usually measured in temperate and/or arctic rivers. All averages for major elements are weighted according to the suspended load prior to the construction of dams, as for trace elements the average contents are mean values. Martin & Meybeck 1979
Rivers 58 Ce 0.08           ppb Average concentration of elements in filtered river water.  These values are used in conjuction with concentrations taken from the same elements in unfiltered sea water and then used in equations given in Li 1982 to determine mean oceanic residence time of particular elements.  Problems arise however with the relative pollution found in average river waters, and a lack of adequate data for filtered seawater to make a better comparison to filtered river water (which in this instance is found to be the most ideal comparison, yet the most difficult to perform). Li 1982 Martin & Meybeck 1979
Ryuku Trench 58 Ce 236.29           ppm Bulk composition estimate of sediments approaching the trench based on DSDP and ODP drill sites. Confidence level = 4 or low. Plank & Langmuir 1998
Sandstones 58 Ce 21.6           ppm Condie 1993
Sandstones 58 Ce 21           ppm Condie 1993
Scotia Island Basalt 58 Ce 15.19         16 ppm Average major and trace element values for Scotian Arc Basalts given in weight percent and parts per million respectively. Kelemen et al. 2004
Seawater 58 Ce 4           ng/kg This mean ocean concentratio has been calculated based on the correlation expressions in Table 1, assuming a salinity of 35¿, a nitrate concentratio of 30 ¿mol/kg, a phosphate concentratio of 2 ¿mol/kg and a silicate concentratio of 110 ¿mol/kg. Where possible data is from the Pacific ocean that shows the greates variations; otherwhise data is from the Atlantic ocean. Quinby-Hunt & Turekian 1983 Elderfield & Greaves 1982
Seawater 58 Ce 2e-05             Broeker & Peng 1982
Seawater 58 Ce 20     16 26     Surface depletion. CeCO3[1+], Ce[3+] and CeCl[2+] are the probable main species in oxygenated seawater. Range and average concentrations normalized to 35¿ salinity. Bruland 1983
Seawater 58 Ce 1.7             Elemental average concentrations of the deep Atlantic and deep Pacific waters summarized by Whitfield & Turner 1987.  Li 1991 Whitfield & Turner 1987
Seawater 58 Ce 0.001           ppb Average concentration of elements in unfiltered seawater.  These values are used in conjuction with concentrations taken from the same elements in filtered river water and then used in equations (given in Li 1982) to determine mean oceanic residence time of particular elements.  Problems arise however with the relative pollution found in average river waters, and a lack of adequate data for filtered seawater to make a better comparison to filtered river water (which in this instance is found to be the most ideal comparison, yet the most difficult to perform). Li 1982
Sera de Mage Eucrite 58 Ce 1.2           ppm Element abundances of the Serra de Mage eucrite as analyzed by various different sources.  These values are placed against the values found in this study (Morgan et al. 1978) according to INAA. Morgan et al. 1978 Schnetzler & Philpotts 1969
Serra De Mage Eucrite 58 Ce 494           ng/g Trace element compositional data on Serra de Mage Eucrite. Mittlefehldt 2004 Barrat et al. 2000
McCarthy et al. 1973
Shales 58 Ce 81.7           ppm Condie 1993
Shales 58 Ce 82           ppm Condie 1993
Shales 58 Ce 60.9           ppm Condie 1993
Shergotty Meteorite 58 Ce 5.45   0.86       ppm Mars elemental abundances as given by Shergotty meteorite (basalitc shergottite) as given in Lodders 1988. Mars elemental abundances as given by Shergotty meteorite, which is a basalitc shergottite, as given in Lodders 1988. McSween, Jr. 2004 Lodders 1998
Silicate Earth 58 Ce 1675   167.5       ppb Pyrolite model for the silicate Earth composition based on peridotites, komatiites and basalts. Error estimate is subjective. McDonough & Sun 1995
Silicate Earth 58 Ce 1.68           ppm Composition of the Silicate Earth as given by elemental abundances in ppm (and wt%). McDonough 2004
Silicate Earth 58 Ce 1.436           ppm Abundances of refractory lithophile elements along with K, Rb and Cs for models of the Bulk Silicate Earth. Data taken from various sources that agree Earth experienced some depletion of semi-volatile to volatile elements in relation to refractory lithophile elements during accretion. McDonough et al. 1992 Taylor & McLennan 1985
Silicate Earth 58 Ce 1.6011           ppm Abundances of refractory lithophile elements along with K, Rb and Cs for models of the Bulk Silicate Earth. Data taken from various sources that agree Earth experienced some depletion of semi-volatile to volatile elements in relation to refractory lithophile elements during accretion. McDonough et al. 1992 Hofmann 1988
Silicate Earth 58 Ce 1.73           ppm Abundances of refractory lithophile elements along with K, Rb and Cs for models of the Bulk Silicate Earth. Data taken from various sources that agree Earth experienced some depletion of semi-volatile to volatile elements in relation to refractory lithophile elements during accretion. McDonough et al. 1992 Jagoutz et al. 1979
Wanke et al. 1984
Silicate Earth 58 Ce 1.833           ppm Abundances of refractory lithophile elements along with K, Rb and Cs for models of the Bulk Silicate Earth. Data taken from various sources that agree Earth experienced some depletion of semi-volatile to volatile elements in relation to refractory lithophile elements during accretion. McDonough et al. 1992 Sun 1982
Sun & McDonough 1989
McDonough & Frey 1989
Silicate Earth 58 Ce 1.68           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Silicified Limestone 58 Ce 7.75           ppm Mixed siliceous and carbonate lithologies including nannofossil and radiolarian oozes, chalk and chert. The average of the Hein et al. (1983) partly silicified chalk has been used after dilution with 50% total CaCO3. Calculated based on the Peru REE pattern. Plank & Langmuir 1998
Silty Mud 58 Ce 57.03         16 ppm The hemi-pelagic clay analyses where averaged over 10 m intervals and then averaged down-unit. Ce is calculated from the REE pattern in the Aleutian clastic turbidite. Plank & Langmuir 1998
Sioux County Eucrite 58 Ce 5190           ng/g Trace element compositional data on Sioux County Eucrites. Mittlefehldt 2004 Barrat et al. 2000
McCarthy et al. 1973
Solar Photosphere 58 Ce 1.55   0.2         Abundances in Solar Photosphere; in original table: log N(H) = 12.00 Anders & Grevesse 1989
Solar Photosphere 58 Ce 1.58   0.09         Elemental solar photospheric abundances as given by various references. Palme & Jones 2004 Grevesse & Sauval 1998
Solar System 58 Ce 1.136   0.0193     4   Solar atomic abundances based on an average of C1 chondrites. Values are not normalised to 100% but they are relative to 10E6 Silica atoms. Anders & Grevesse 1989
Solar System 58 Ce 1.2             Anders & Ebihara 1982 Cameron 1982
Solar System 58 Ce 1.16             Anders & Ebihara 1982
Solid Earth 58 Ce 1.13           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 58 Ce 1.13           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
South Antilles Trench 58 Ce 105.41           ppm Bulk composition estimate of sediments approaching the trench based on DSDP and ODP drill sites. Confidence level = 3 or low. Plank & Langmuir 1998
South Margin of North China Craton 58 Ce 60.9           ppm Compostional estimate of the south margin of the North China craton. Average composition of granulite terrains. Gao et al. 1998
South Margin of North China Craton 58 Ce 61.2           ppm Compostional estimate of the south margin of the North China craton. Average compostion of granulite terrains and calculated on a sedimentary carbonate rock-free basis. Gao et al. 1998
South Margin of North China Craton 58 Ce 60           ppm Compostional estimate of the south margin of the North China craton. Gao et al. 1998
South Margin of North China Craton 58 Ce 62.4           ppm Compostional estimate of the south margin of the North China craton. Includes sedimentary carbonates. Gao et al. 1998
South Margin of North China Craton 58 Ce 66           ppm Compostional estimate of the south margin of the North China craton. Calculated on a sedimentary carbonate rock-free basis. Gao et al. 1998
South Qinling Belt in China 58 Ce 53           ppm Compostional estimate of the South Qinling orogenic belt. Gao et al. 1998
South Qinling Belt in China 58 Ce 51.2           ppm Compostional estimate of the South Qinling orogenic belt. Includes sedimentary carbonates. Gao et al. 1998
South Qinling Belt in China 58 Ce 58.8           ppm Compostional estimate of the Southern Qinling orogenic belt. Average compostion of granulite terrains and calculated on a sedimentary carbonate rock-free basis. Gao et al. 1998
South Qinling Belt in China 58 Ce 55.1           ppm Compostional estimate of the South Qinling orogenic belt. Calculated on a sedimentary carbonate rock-free basis. Gao et al. 1998
South Sandwich Trench 58 Ce 24.05           ppm Bulk composition estimate of sediments approaching the trench based on DSDP and ODP drill sites. Confidence level = 1 or highest. Plank & Langmuir 1998
Spinel Peridotites 58 Ce 6.29 2.08 11.7     197 ppm McDonough 1990
Spinel Peridotites 58 Ce   2.08         ppm McDonough 1991 Maaloe & Aoki 1975
Jordan 1979
Boyd 1989
McDonough 1990
Stannern Eucrite 58 Ce 13760           ng/g Trace element compositional data on Stannern Eucrite. Mittlefehldt 2004 Barrat et al. 2000
McCarthy et al. 1973
Subducted Sediment 58 Ce 57.3   10.3       ppm Global subducting sediment (GLOSS) composition estimate based on DSDP and ODP drill cores for 70% of the worldwide trenches. The average is calculated as a mass-flux-weighted global mean taking into account convergence rates, trench lengths and sediment columns. Includes sediment columns from seafloor that is not currently subducting. Plank & Langmuir 1998
Sumatra Trench 58 Ce 67           ppm Bulk composition estimate of sediments approaching the trench based on DSDP and ODP drill sites. Confidence level = 3 or moderate. Plank & Langmuir 1998
Talkeetna Arc Plutonic Rocks 58 Ce 11.3   2.5     6 ppm Geochemical data from the Talkeetna Arc Section of the Lower Crust. These particular values are representative of garnet granulites from the Tonsina section. All values for major element oxides are given in wt.% and for trace elements in ppm. Trace elements were gathered via XRF and ICP-MS analysis. Kelemen et al. 2004
Talkeetna Arc Plutonic Rocks 58 Ce 23.3   0.1     86 ppm Geochemical data from the Talkeetna Arc Section of the Lower Crust. These particular values are representative of Lavas, tuffs and volcaniclastic samples from the Talkeetna section. All values for major element oxides are given in wt.% and for trace elements in ppm. Trace elements were gathered via XRF and ICP-MS analysis. Kelemen et al. 2004
Talkeetna Arc Plutonic Rocks 58 Ce 0.417   0.04     16 ppm Geochemical data from the Talkeetna Arc Section of the Lower Crust. These particular values are representative of pyroxenites from the Tonsina section. All values for major element oxides are given in wt.% and for trace elements in ppm. Trace elements were gathered via XRF and ICP-MS analysis. Kelemen et al. 2004
Talkeetna Arc Plutonic Rocks 58 Ce 2.9   0.4     17 ppm Geochemical data from the Talkeetna Arc Section of the Lower Crust. These particular values are representative of pyroxenites from the Tonsina section. All values for major element oxides are given in wt.% and for trace elements in ppm. Trace elements were gathered via XRF and ICP-MS analysis. Kelemen et al. 2004
Talkeetna Arc Plutonic Rocks 58 Ce 17.358   0.714     13 ppm Geochemical data from the Talkeetna Arc Section of the Lower Crust. These particular values are representative of Intermediate to felsic plutons from the Talkeetna section. All values for major element oxides are given in wt.% and for trace elements in ppm. Trace elements were gathered via XRF and ICP-MS analysis. Kelemen et al. 2004
Talkeetna Arc Plutonic Rocks 58 Ce 24.4   0.9     13 ppm Geochemical data from the Talkeetna Arc Section of the Lower Crust. These particular values are representative of Intermediate to felsic plutons from the Talkeetna section. All values for major element oxides are given in wt.% and for trace elements in ppm. Trace elements were gathered via XRF and ICP-MS analysis. Kelemen et al. 2004
Talkeetna Arc Plutonic Rocks 58 Ce 7.616   1.475     7 ppm Geochemical data from the Talkeetna Arc Section of the Lower Crust. These particular values are representative of garnet diorites and tonalites from the Klanelneechina section. All values for major element oxides are given in wt.% and for trace elements in ppm. Trace elements were gathered via XRF and ICP-MS analysis. Kelemen et al. 2004
Talkeetna Arc Plutonic Rocks 58 Ce 14   2     7 ppm Geochemical data from the Talkeetna Arc Section of the Lower Crust. These particular values are representative of garnet diorites and tonalites from the Klanelneechina section. All values for major element oxides are given in wt.% and for trace elements in ppm. Trace elements were gathered via XRF and ICP-MS analysis. Kelemen et al. 2004
Talkeetna Arc Plutonic Rocks 58 Ce 16.825   0.219     42 ppm Geochemical data from the Talkeetna Arc Section of the Lower Crust. These particular values are representative of Lavas, tuffs and volcaniclastic samples from the Talkeetna section. All values for major element oxides are given in wt.% and for trace elements in ppm. Trace elements were gathered via XRF and ICP-MS analysis. Kelemen et al. 2004
Talkeetna Arc Plutonic Rocks 58 Ce 2.901   0.095     31 ppm Geochemical data from the Talkeetna Arc Section of the Lower Crust. These particular values are representative of gabbronorites from the Talkeetna section. All values for major element oxides are given in wt.% and for trace elements in ppm. Trace elements were gathered via XRF and ICP-MS analysis. Kelemen et al. 2004
Talkeetna Arc Plutonic Rocks 58 Ce 8.3   0.2     31 ppm Geochemical data from the Talkeetna Arc Section of the Lower Crust. These particular values are representative of gabbronorites from the Talkeetna section. All values for major element oxides are given in wt.% and for trace elements in ppm. Trace elements were gathered via XRF and ICP-MS analysis. Kelemen et al. 2004
Talkeetna Arc Plutonic Rocks 58 Ce 3.734   0.769     6 ppm Geochemical data from the Talkeetna Arc Section of the Lower Crust. These particular values are representative of garnet granulites from the Tonsina section. All values for major element oxides are given in wt.% and for trace elements in ppm. Trace elements were gathered via XRF and ICP-MS analysis. Kelemen et al. 2004
Tonalites 58 Ce 53           ppm Total average of group averages from USA, Canada, Sri Lanka, Greenland, Finland, UK and Portugal using an equal statistical weight. Wedepohl 1995
Tonalites-Trondhjemites-Granodiorites 58 Ce 45           ppm Condie 1993
Tonalites-Trondhjemites-Granodiorites 58 Ce 56           ppm Condie 1993
Tonalites-Trondhjemites-Granodiorites 58 Ce 56         355 ppm Analysis of Archean Tonalite-Trondhjemite-Granodiorite (TTG) represented in major and minor element abundances as well as slected trace element ratios given by Martin 1995 but plotted in Figure 5 of Kemp & Hawkesworth 2004. Kemp & Hawkesworth 2004 Martin 1995
Tonalites-Trondhjemites-Granodiorites 58 Ce 112.7         641 ppm Average of 596 subsamples and 45 composites. Gao et al. 1998
Tonalites-Trondhjemites-Granodiorites 58 Ce 47           ppm Condie 1993
Tonalites-Trondhjemites-Granodiorites 58 Ce 68.3         553 ppm Average of 502 subsamples and 51 composites. Gao et al. 1998
Tonga Trench 58 Ce 196.18           ppm Bulk composition estimate of sediments approaching the trench based on DSDP and ODP drill sites. Confidence level = 1 or highest. Plank & Langmuir 1998
Tongan Basalts 58 Ce 18.11         12 ppm Average major and trace element values for Tongan Arc Basalts given in weight percent and parts per million respectively. Kelemen et al. 2004
Transitional Mid-Ocean Ridge Basalts 58 Ce 13           ppm Compositie analyses on T-MORB glasses from the Mid-Atlantic Ridge as reported in the RidgePetDB database. Major and most trace elements for this T-type MORB are taken from the sample VEM0025-001-022. Klein 2004 Lehnert 2000
Turbidites 58 Ce 38.75         4 ppm Similar lithologies as for Site 183 but with a greater thickness of the turbidites. Combined 300 m of Site 183 sediments with 480 m of turbidites in Site 178 and two shallow piston cores. Plank & Langmuir 1998
Turbidites 58 Ce 64.05         4 ppm Average of 4 Quaternary turbidites from the Ganges cone after McLennan et al. (1990) assuming that equal proportions of fine (clay-silt) and coarse (silt-sand) units. Plank & Langmuir 1998
Upper Continental Crust 58 Ce 64           ppm Taylor & McLennan 1995
Upper Continental Crust 58 Ce 65.7           µg/g Estimates of trace element compositions of the Upper Continental Crust. These values are taken from Wedepohl 1995 and represent a previous estimate. Rudnick & Gao 2004 Wedepohl 1995
Upper Continental Crust 58 Ce 59.4           ppm Restoration model. Concentrations are calculated after restoration of the amount of crust lost be erosion, in particular, important when estimating the composition of juvenile continental crust. The restoration is performed based on geologic maps and stratigraphic successions as summarized in Table 2. In this model 5 and 10 km extra crust is added to the present-day upper-crustal layer for Phanerozoic and Precambrian areas, respectively. The UCC is calculated from data in Tables 4-6 with a weight ratio for Archean:Proterozoic:Phanerozoic = 50:30:20 that can be further divided into 10% Early and 90% Late Archean; 50% Early and 25% Middle and 25% Late Proterozoic; and 50% Paleozoic and 50% Mesozoic-Cenozoic. Condie 1993
Upper Continental Crust 58 Ce 57.5           ppm Map model. Concentrations are directly calculated from rock proportions scaled from geologic maps and stratigraphic successions as summarized in Table 2. The UCC is calculated from data in Tables 4-6 with a weight ratio for Archean:Proterozoic:Phanerozoic = 50:30:20 that can be further divided into 10% Early and 90% Late Archean; 50% Early and 25% Middle and 25% Late Proterozoic; and 50% Paleozoic and 50% Mesozoic-Cenozoic. Condie 1993
Upper Continental Crust 58 Ce 64           ppm Upper crust composition based on Taylor and McLennan 1981. Weaver & Tarney 1984 Taylor & McLennan 1981
Upper Continental Crust 58 Ce 65.7           ppm UCC = Shaw et al. (1967;1976). Wedepohl 1995
Upper Continental Crust 58 Ce 64           µg/g Estimates of trace element compositions of the Upper Continental Crust. These values are taken from Taylor and McLennan 1985 & 1995 and represent estimates derived from sedimentary and loess data. Rudnick & Gao 2004 Taylor & McLennan 1985
Taylor & McLennan 1995
Upper Continental Crust 58 Ce 66.4           µg/g Estimates of trace element compositions of the Upper Continental Crust. These values are taken from Gao et al. 1998 and represent averages from surface exposures. Rudnick & Gao 2004 Gao et al. 1998
Upper Continental Crust 58 Ce 6.19           ppm Average composition of the Upper Crust as derived from composites taken from ODP sites 417/418. Values are taken from varying sources on the same composites in order to compare and contrast with 735B gabbroic composition which should closeley resemble each other. Hart et al. 1999 Staudigel et al. 1995
Smith et al. 1995
Hart & Staudigel 1989
Staudigel et al. 1989
Upper Continental Crust 58 Ce 64           ppm Upper crust Rare Earth Element data from Taylor and McLennan 1981. Data used primarily for comparison to Loess data obtained in this study (Taylor et al. 1983) which has some element abundances similar to Upper Crustal values. Taylor et al. 1983 Taylor & McLennan 1981
Upper Continental Crust 58 Ce 63           ppm Major and minor element composition of the Upper Crust of the Earth with selected trace element ratios as given by Rudnick and Gao 2004. Kemp & Hawkesworth 2004 Rudnick & Gao 2004
Upper Continental Crust 58 Ce 63           µg/g Recommended composition of the Upper Continental Crust as given by various sources which are listed in Table 1 and 2 of Rudnick and Gao 2004 as well as in the text. Rudnick & Gao 2004
Upper Continental Crust 58 Ce 63   4       µg/g Recommended composition of the Upper Continental Crust as given by various sources which are listed in Table 1 and 2 of Rudnick and Gao 2004 as well as in the text. Rudnick & Gao 2004 see text








Upper Continental Crust 58 Ce 65.6           µg/g Estimates of trace element compositions of the Upper Continental Crust. These values are taken from Shaw et al. 1967 & 1976 and represent averages from surface exposures. Rudnick & Gao 2004 Shaw et al. 1967
Shaw et al. 1976
Upper Continental Crust 58 Ce 57.5           µg/g Estimates of trace element composition of the Upper Continental Crust. These values are taken from Condie 1993 and represent averages from surface exposures. Rudnick & Gao 2004 Condie 1993
Upper Continental Crust   Ce[n]/Yb[n] 7.4             Upper crust composition based on Taylor and McLennan 1981. Weaver & Tarney 1984 Taylor & McLennan 1981
Ureilite Rock Metal   Ce/La         1 5   Low Iridium values indicative of bulk rock values. These values represent enrichments relative to C1 Chondrites.  Nickel values however, may be depleted in urelite metal so the actual values of the enrichments are more than likely smaller than reported here Janssens et al. 1987
Ureilite Vein Metal   Ce/La 14.6         5   High Iridium values indicative of vein material.These values represent enrichments relative to C1 Chondrites.  Nickel values however, may be depleted in urelite metal so the actual values of the enrichments are more than likely smaller than reported here Janssens et al. 1987
Vanuatu Trench 58 Ce 24.67           ppm Bulk composition estimate of sediments approaching the trench based on DSDP and ODP drill sites. Confidence level = 1 or highest. Plank & Langmuir 1998
Volcanoclastic Sediment 58 Ce 23.83         15 ppm Average of 15 volcaniclastic sediments using DCP analyses as weighted by the height of each drilled interval. Plank & Langmuir 1998
Volcanoclastic Turbidites 58 Ce 40.92         43 ppm Average of 43 combined analyses weighted by interval height. Plank & Langmuir 1998
Volcanoclastic Turbidites 58 Ce 36.22         13 ppm Average of 13 volcaniclastic turbidites corrected for pure silica using down-core logging for SiO2 contents, in a similar fashion as for the chert sections. Plank & Langmuir 1998
Volcanoclastic Turbidites 58 Ce 36           ppm Estimates of the composition of the Volcaniclastic Turbidite section of the sediment column from DSDP Hole 801. Elliot et al. 1997
Volcanoclastic Turbidites   Ce/Ce* 0.92             Estimates of the composition of the Volcaniclastic Turbidite section of the sediment column from DSDP Hole 801. Elliot et al. 1997
Watson IIE Iron 58 Ce 953           ng/g Trace element compositional data on Watson IIE Iron. Mittlefehldt 2004 Olsen et al. 1994
Winonaite Pontlyfni 58 Ce 700           ng/g Trace element compositional data on the Pontlyfni Winonaite. Mittlefehldt 2004 Graham et al. 1977
Davis et al. 1977
Y-74450 Eucrites 58 Ce 12000           ng/g Trace element compositional data on Y-74450 eucrite. Mittlefehldt 2004 Wanke et al. 1977
Y-791491 Lodranite 58 Ce 100           ng/g Trace element compositional data on Lodranite Y-791491. Mittlefehldt 2004 Weigel et al. 1999
Yangtze Craton 58 Ce 71.6           ppm Compostional estimate of the Yangtze craton. Average composition of granulite terrains. Gao et al. 1998
Yangtze Craton 58 Ce 64.2           ppm Compostional estimate of the Yangtze craton. Gao et al. 1998
Yangtze Craton 58 Ce 69.9           ppm Compostional estimate of the Yangtze craton. Calculated on a sedimentary carbonate rock-free basis. Gao et al. 1998
Yangtze Craton 58 Ce 60.2           ppm Compostional estimate of the Yangtze craton. Includes sedimentary carbonates. Gao et al. 1998
Yangtze Craton 58 Ce 68.5           ppm Compostional estimate of the Yangtze craton. Average compostion of granulite terrains and calculated on a sedimentary carbonate rock-free basis. Gao et al. 1998
Zeolite Clay 58 Ce 66.59         3 ppm This unit contains a mixture of 50% zeolite clay, 20% Mn-bearing clay and 30% normal clay based on barrel sheet descriptions. The three analyses are weighted accordingly. Plank & Langmuir 1998
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