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

	GERM Database Search Results   Save as ... ================== Excel spreadsheet Tab delimited text file   Sort by ... =========== Reservoir Z Element Value Median SD Low High N Unit Reference =========== Default   Units ... ======= ppm ppb ppt wt% wt%ox ======= Default   Reservoir Z Element Value Median SD Low High N Unit Info Reference Source(s) Ordinary Chondrites   Al/Mg 0.081   0.002         McDonough & Sun 1995 Primitive Mantle   Si/Mg 0.945   0.002         Allegre et al. 1995 Enstatite Chondrites   Al/Mg 0.075   0.003         McDonough & Sun 1995 Primitive Mantle   Fe/Mg 0.255   0.005         Allegre et al. 1995 Ordinary Chondrites   Mg/V 0.195   0.006         McDonough & Sun 1995 Ocean Arc Xenoliths   Mg# 0.905 0.906 0.007     21   Pearson et al. 2004 Continental Rift Xenoliths   Mg# 0.902 0.903 0.008     23   Pearson et al. 2004 Carbonaceous Chondrites   Mg/V 0.157   0.009         McDonough & Sun 1995 Carbonaceous Chondrites   Al/Mg 0.105   0.01         McDonough & Sun 1995 CI Chondrites 12 Mg 7.56   0.01         Palme & Jones 2004 Continental Intraplate Xenoliths   Mg# 0.899 0.9 0.014     273   Pearson et al. 2004 Cratonic Xenoliths   Mg# 0.919 0.921 0.014     232   Pearson et al. 2004 Talkeetna Arc Plutonic Rocks 12 Mg 3.57   0.017     114 wt% Kelemen et al. 2004 Continental Arc Xenoliths   Mg# 0.895 0.898 0.018     28   Pearson et al. 2004 Oceanic Island Xenoliths   Mg# 0.895 0.908 0.022     16   Pearson et al. 2004 Enstatite Chondrites   Mg/V 0.204   0.025         McDonough & Sun 1995 Talkeetna Arc Plutonic Rocks 12 Mg 7.78   0.027     95 wt% Kelemen et al. 2004 Ordinary Chondrites   Mg/Si 0.81   0.03         McDonough & Sun 1995 Solar Corona 12 Mg 7.59   0.03         Anders & Grevesse 1989 Breneman & Stone 1985 Talkeetna Arc Plutonic Rocks 12 Mg 1.67   0.035     28 wt% Kelemen et al. 2004 Carbonaceous Chondrites   Mg/Si 0.91   0.04         McDonough & Sun 1995 QUE 94201 Meteorite 12 Mg 3.77   0.04         McSween, Jr. 2004 Lodders 1998 Solar Photosphere 12 Mg 7.58   0.05         Anders & Grevesse 1989 Solar Corona 12 Mg 7.59   0.06         Anders & Grevesse 1989 Solar Photosphere 12 Mg 7.54   0.06         Palme & Jones 2004 Holweger 2001 Enstatite Chondrites   Mg/Si 0.7   0.07         McDonough & Sun 1995 Ocean Arc Xenoliths   Mg/Si 1.3 1.29 0.09     21   Pearson et al. 2004 Continental Arc Xenoliths   Mg/Si 1.2 1.17 0.1     28   Pearson et al. 2004 Middle Continental Crust 12 Mg 3.59   0.1       wt% Rudnick & Gao 2004 Ordinary Chondrites   Fe/Mg 1.4   0.1         McDonough & Sun 1995 Ordinary Chondrites   Fe/Mg 1.9   0.1         McDonough & Sun 1995 Primitive Mantle   Mg/Al 10.52   0.1         Allegre et al. 1995 Talkeetna Arc Plutonic Rocks   Mg# 43   0.1     114   Kelemen et al. 2004 Talkeetna Arc Plutonic Rocks   Mg# 58   0.1     95   Kelemen et al. 2004 Continental Rift Xenoliths   Mg/Si 1.19 1.19 0.11     23   Pearson et al. 2004 Cratonic Xenoliths   Mg/Si 1.38 1.39 0.11     232   Pearson et al. 2004 Oceanic Island Xenoliths   Mg/Si 1.31 1.3 0.11     16   Pearson et al. 2004 Shergotty Meteorite 12 Mg 5.58   0.11         McSween, Jr. 2004 Lodders 1998 Solar Corona 12 Mg 7.53   0.11         Anders & Grevesse 1989 Meyer 1985 Carbonaceous Chondrites   Fe/Mg 1.68   0.12         McDonough & Sun 1995 Mars Rocks 12 Mg 1.51   0.151       wt% McSween, Jr. 2004 Wanke et al. 2001 Subducted Sediment 12 Mg 2.48   0.16       wt%ox Plank & Langmuir 1998 Talkeetna Arc Plutonic Rocks 12 Mg 4.89   0.187     7 wt% Kelemen et al. 2004 Enstatite Chondrites   Fe/Mg 1.6   0.2         McDonough & Sun 1995 Enstatite Chondrites   Fe/Mg 2.6   0.2         McDonough & Sun 1995 Nakhla Meteorite 12 Mg 7.3   0.2         McSween, Jr. 2004 Lodders 1998 Talkeetna Arc Plutonic Rocks   Mg# 86   0.2     17   Kelemen et al. 2004 Primitive Mantle 12 Mg 22.17   0.2217       wt% Palme & O'Neill 2004 Carbonates 12 Mg 12.79   0.26     162 wt%ox Mirota & Veizer 1994 Continental Intraplate Xenoliths   Mg/Si 1.17 1.2 0.26     273   Pearson et al. 2004 CI Chondrites 12 Mg 9.61   0.2883       wt% Palme & O'Neill 2004 Palme & Jones 2004 CI Chondrites 12 Mg 9.61   0.2883       wt% Palme & Jones 2004 Palme & Beer 1993 Intra Stellar Medium 12 Mg 6.33   0.3165         Palme & Jones 2004 Savage & Sembach 1996 Mars Rocks 12 Mg 3.2   0.32       wt% McSween, Jr. 2004 Wanke et al. 2001 Basaltic Glass at ODP/DSDP Site 504 12 Mg 8.2   0.34     51 wt%ox Alt et al. 1986 Talkeetna Arc Plutonic Rocks 12 Mg 27.95   0.343     17 wt% Kelemen et al. 2004 Mars Rocks 12 Mg 3.5   0.35       wt% McSween, Jr. 2004 Wanke et al. 2001 Upper Continental Crust 12 Mg 2.48   0.35       wt% Rudnick & Gao 2004 see text CI Chondrites 12 Mg 9.89   0.376     15 wt% Anders & Grevesse 1989 Least-Altered Basalt at ODP/DSDP Site 504 12 Mg 8.44   0.38     58 wt%ox Alt et al. 1986 Depleted Mantle 12 Mg 38.22   0.3822       wt%ox Salters & Stracke 2004 Mars Rocks 12 Mg 3.91   0.391       wt% McSween, Jr. 2004 Wanke et al. 2001 Talkeetna Arc Plutonic Rocks   Mg# 43   0.4     28   Kelemen et al. 2004 Primitive Mantle 12 Mg 36.77   0.44       wt% Palme & O'Neill 2004 Mars Rocks 12 Mg 4.56   0.456       wt% McSween, Jr. 2004 Wanke et al. 2001 Talkeetna Arc Plutonic Rocks 12 Mg 7.86   0.486     6 wt% Kelemen et al. 2004 ALH 84001 Meteorite 12 Mg 15.1   0.5         McSween, Jr. 2004 Lodders 1998 Chassigny Meteorite 12 Mg 19.2   0.5         McSween, Jr. 2004 Lodders 1998 Chassigny Achondrite 12 Mg 30.2   0.6       wt%ox Boynton et al. 1976 Talkeetna Arc Plutonic Rocks   Mg# 45   0.6     7   Kelemen et al. 2004 Mars Rocks 12 Mg 6.71   0.671       wt% McSween, Jr. 2004 Wanke et al. 2001 Kenna Ureilite 12 Mg 33.1   0.7       wt%ox Boynton et al. 1976 Novo-Urei Ureilite 12 Mg 34.5   0.7       wt%ox Boynton et al. 1976 Mars Soil 12 Mg 7.46   0.746       wt% McSween, Jr. 2004 Wanke et al. 2001 ALH 77005 Meteorite 12 Mg 17   0.8         McSween, Jr. 2004 Lodders 1998 CO Chondrites 12 Mg 15.8   0.8     106 wt% Scott & Krot 2004 Brearley 1993 Greshake 1997 Goalpara Ureilite 12 Mg 26.1   0.8       wt%ox Boynton et al. 1976 Mars Soil 12 Mg 8.16   0.816       wt% McSween, Jr. 2004 Wanke et al. 2001 Mars Soil 12 Mg 9.2   0.92       wt% McSween, Jr. 2004 Wanke et al. 2001 N-MORB 12 Mg 7.576   0.9243     26 wt%ox Hofmann 1988 Jochum et al. 1988 Mars Soil 12 Mg 9.95   0.995       wt% McSween, Jr. 2004 Wanke et al. 2001 Ordinary Chondrites   Mg/Cr 39   1         McDonough & Sun 1995 Spinel Peridotites   Mg# 89.8 90 1.1     375   McDonough 1990 Solar System 12 Mg 7.56   1.134         Palme & Jones 2004 CO Chondrites 12 Mg 16.7   1.5     36 wt% Scott & Krot 2004 Brearley 1993 Greshake 1997 CO Chondrites 12 Mg 8.3   1.7     8 wt% Scott & Krot 2004 Brearley 1993 Greshake 1997 Ocean Arc Xenoliths 12 Mg 44.61 44.66 1.87     21   Pearson et al. 2004 Periodotite Section in Ophiolites   MgO/Ni 196   17         McDonough 1991 Carbonaceous Chondrites   Mg/Cr 39   2         McDonough & Sun 1995 Primitive Mantle 12 Mg 22.8   2.28       wt% McDonough & Sun 1995 Silicate Earth 12 Mg 22.8   2.28       wt% McDonough & Sun 1995 Solid Mars 12 Mg 9   2.6       wt% McSween, Jr. 2004 Hamilton et al. 2001 Wyatt et al. 2001 Solid Mars 12 Mg 8.7   2.6       wt% McSween, Jr. 2004 Hamilton et al. 2001 Wyatt et al. 2001 Continental Arc Xenoliths 12 Mg 41.14 40.72 2.8     28   Pearson et al. 2004 Talkeetna Arc Plutonic Rocks   Mg# 58   2.8     6   Kelemen et al. 2004 Cratonic Xenoliths 12 Mg 46.19 46.52 2.94     232   Pearson et al. 2004 Continental Intraplate Xenoliths 12 Mg 41.84 41.7 2.96     273   Pearson et al. 2004 Oceanic Island Xenoliths 12 Mg 44.25 44.73 234     16   Pearson et al. 2004 CO Chondrites 12 Mg 10.1   3     6 wt% Scott & Krot 2004 Brearley 1993 Greshake 1997 Spinel Peridotites 12 Mg 41.4 41.2 3     375 wt%ox McDonough 1990 Venera 14 Rocks 12 Mg 8.1   3.3       wt% Fegley, Jr. 2004 Surkov et al. 1984 Continental Rift Xenoliths 12 Mg 41.17 41.21 3.43     23   Pearson et al. 2004 Vega 2 12 Mg 11.5   3.7       wt% Fegley, Jr. 2004 Surkov et al. 1986 Spinel Peridotites   MgO/Ni 191   33         McDonough 1991 Spinel Peridotites   MgO/Ni 190 190 33     308   McDonough 1990 Solar System 12 Mg 1075000   38700     14   Anders & Ebihara 1982 Enstatite Chondrites   Mg/Cr 35   4         McDonough & Sun 1995 Solar System 12 Mg 1074000   40800     15   Anders & Grevesse 1989 Garnet Peridotites   MgO/Ni 199   44         McDonough 1991 Venera 13 Rocks 12 Mg 11.4   6.2       wt% Fegley, Jr. 2004 Surkov et al. 1984 Enstatite Chondrites   Mg/Cr 45   8         McDonough & Sun 1995 Acapulcoite Primitive Achondrites 12 Mg 153.8             Mittlefehldt 2004 Yanai & Kojima 1991 Zipfel et al. 1995 Active Continental Rifts 12 Mg 4           wt%ox Rudnick & Fountain 1995 Active Continental Rifts 12 Mg 6           wt%ox Rudnick & Fountain 1995 Ademellites 12 Mg 1.14         113 wt%ox Le Maitre 1976 AII Fracture Zone Basalts 12 Mg 56.66             Hart et al. 1999 Johnson & Dick 1992 AII Fracture Zone Basalts 12 Mg 7.1           wt%ox Hart et al. 1999 Johnson & Dick 1992 Alaska Trench 12 Mg 2.87           wt%ox Plank & Langmuir 1998 Aleutian Basalts 12 Mg 9.22         66 wt% Kelemen et al. 2004 Aleutian Basalts   Mg# 64.96         66   Kelemen et al. 2004 Aleutian Trench 12 Mg 2.71           wt%ox Plank & Langmuir 1998 ALH 84025 Brachinite 12 Mg 184             Mittlefehldt 2004 Warren & Kallemeyn 1989a ALHA 77257 Urelite 12 Mg 239.1             Mittlefehldt 2004 Jarosewich 1990 Warren & Kallemeyn 1992 Spitz & Boynton 1991 ALHA 81101 Urelite 12 Mg 215             Mittlefehldt 2004 Warren & Kallemeyn 1992 Spitz & Boynton 1991 ALHA77081 Acapulcoite 12 Mg 157             Mittlefehldt 2004 Schultz et al. 1982 Allende Meteorite 12 Mg 24.63           wt%ox Martin & Mason 1974 Amazon River Particulates 12 Mg 11200           µg/g Martin & Meybeck 1979 Amphibolites 12 Mg 6.68         189 wt%ox Gao et al. 1998 Andaman Trench 12 Mg 1.96           wt%ox Plank & Langmuir 1998 Andean Andesites 12 Mg 3.4           wt%ox Weaver & Tarney 1984 Bailey 1981 Andes Basalt 12 Mg 8.28         56 wt% Kelemen et al. 2004 Andes Basalt   Mg# 64.12         56   Kelemen et al. 2004 Andesites 12 Mg 3.33         2203 wt%ox Le Maitre 1976 Andesites 12 Mg 4.66         50 wt%ox Plank & Langmuir 1998 Plank & Langmuir 1988 Andesites 12 Mg 4.5           wt%ox Condie 1993 Andesites 12 Mg 3.9           wt%ox Condie 1993 Andesites 12 Mg 4.6           wt%ox Condie 1993 Andesites 12 Mg 3.4           wt%ox Condie 1993 Andesites 12 Mg 3.3           wt%ox Condie 1993 Andesites 12 Mg 5.65         47 wt% Kelemen et al. 2004 Andesites 12 Mg 3.7           wt%ox Condie 1993 Andesites 12 Mg 3.5           wt%ox Condie 1993 Andesites   Mg# 65.62         47   Kelemen et al. 2004 Angrite Angra Dos Reis 12 Mg 65.1             Mittlefehldt 2004 Mittlefehldt & Lindstrom 1990 Angrite LEW 87051 12 Mg 117             Mittlefehldt 2004 Mittlefehldt & Lindstrom 1990 Anorthosites 12 Mg 2.12         97 wt%ox Le Maitre 1976 Archean Amphibolites 12 Mg 1.4           wt%ox Weaver & Tarney 1984 Weaver & Tarney 1981 Archean Canadian Shield 12 Mg 1.38           wt%ox Shaw et al. 1986 Cameron et al. 1979 Archean Canadian Shield 12 Mg 5.2           wt%ox Shaw et al. 1986 Taylor & McLennan 1981 Archean Canadian Shield 12 Mg 2.3           wt%ox Shaw et al. 1986 Eade & Fahrig 1971 Archean Canadian Shield 12 Mg 2.2           wt%ox Shaw et al. 1986 Goodwin 1978 Archean Lower Crust 12 Mg 3.4           wt%ox Shaw et al. 1986 Weaver & Tarney 1984 Archean Terrains 12 Mg 3.5           wt%ox Shaw et al. 1986 Shaw et al. 1967 Archean Terrains 12 Mg 3.1           wt%ox Shaw et al. 1986 Rogers 1978 Archean Terrains 12 Mg 4.9           wt%ox Rudnick & Fountain 1995 Archean Terrains 12 Mg 3.56           wt% Taylor & McLennan 1995 Archean Terrains 12 Mg 2.83           wt% Taylor & McLennan 1995 Arenaceous Rocks 12 Mg 2.01         121 wt%ox Gao et al. 1998 Arenaceous Rocks 12 Mg 1.38         2754 wt%ox Gao et al. 1998 Ashy Clay 12 Mg 4.39         4 wt%ox Plank & Langmuir 1998 Aubres Aubrite 12 Mg 232.7             Mittlefehldt 2004 Easton 1985 Wolf et al. 1983 Australian Granite 12 Mg 0.4           wt% Kemp & Hawkesworth 2004 Collins et al. 1982 Australian Granite 12 Mg 1.24         704 wt% Kemp & Hawkesworth 2004 Chappell & White 1992 Australian Granite 12 Mg 1.38         1074 wt% Kemp & Hawkesworth 2004 Wormald & Price 1988 Australian Granite 12 Mg 1.29         8 wt% Kemp & Hawkesworth 2004 Whalen 1985 Australian Granite 12 Mg 0.17         13 wt% Kemp & Hawkesworth 2004 Inger & Harris 1993 Australian Granite 12 Mg 0.12         6 wt% Kemp & Hawkesworth 2004 Turner et al. 1992 Australian Granite   Mg# 34.8         8   Kemp & Hawkesworth 2004 Whalen 1985 Australian Granite   Mg# 9.7         6   Kemp & Hawkesworth 2004 Turner et al. 1992 Australian Granite   Mg# 25.2         13   Kemp & Hawkesworth 2004 Inger & Harris 1993 Australian Granite   Mg# 19.5             Kemp & Hawkesworth 2004 Collins et al. 1982 Australian Granite   Mg# 44.1         1074   Kemp & Hawkesworth 2004 Wormald & Price 1988 Australian Granite   Mg# 41.9         704   Kemp & Hawkesworth 2004 Chappell & White 1992 Barea Mesosiderite 12 Mg 91.7             Mittlefehldt 2004 Mason & Jarosewich 1973 Mittlefehldt in press Basalts 12 Mg 9.1         16 wt% Farmer 2004 Jung & Hoernes 2000 Basalts 12 Mg 6.6         3 wt% Farmer 2004 Chung et al. 1995 Basalts 12 Mg 11.9         27 wt% Farmer 2004 Farmer et al. 2002 Basalts 12 Mg 8.1         13 wt% Farmer 2004 Robert et al. 1992 Basalts 12 Mg 7.2         44 wt% Farmer 2004 Baker et al. 1997 Basalts 12 Mg 8         23 wt% Farmer 2004 Paslick et al. 1995 Basalts 12 Mg 8.1         9 wt% Farmer 2004 Hoang & Flower 1998 Basalts 12 Mg 11.3         8 wt% Farmer 2004 Zhang & O'Reilly 1997 Basalts 12 Mg 8.7         4 wt% Farmer 2004 Chung 1999 Basalts 12 Mg 7.7         16 wt% Farmer 2004 Rogers et al. 1998 Basalts 12 Mg 7.7         6 wt% Farmer 2004 Turner et al. 1996a Basalts 12 Mg 7.7         12 wt% Farmer 2004 Dungan et al. 1986 Basalts 12 Mg 8.9         8 wt% Farmer 2004 Marzoli et al. 2000 Basalts 12 Mg 8.2         6 wt% Farmer 2004 Marzoli et al. 2000 Basalts 12 Mg 7.8         7 wt% Farmer 2004 Price et al. 1997 Basalts 12 Mg 6.5           wt%ox Condie 1993 Basalts 12 Mg 7.6           wt%ox Condie 1993 Basalts 12 Mg 6           wt%ox Condie 1993 Basalts 12 Mg 9.4           wt%ox Condie 1993 Basalts 12 Mg 6.7           wt%ox Condie 1993 Basalts 12 Mg 7.2         3 wt% Farmer 2004 Wilson et al. 1997 Basalts 12 Mg 15.3         10 wt% Farmer 2004 Chung et al. 2001 Basalts 12 Mg 6.2         5 wt% Farmer 2004 Wilson et al. 1997 Basalts 12 Mg 6.8         7 wt% Farmer 2004 Conticelli et al. 1997 Basalts 12 Mg 6.73         3156 wt%ox Le Maitre 1976 Basalts 12 Mg 6.9           wt%ox Condie 1993 Basalts 12 Mg 6.6           wt%ox Condie 1993 Basanites 12 Mg 8.54         138 wt%ox Le Maitre 1976 Basic Precambrian Granulites 12 Mg 7.79         25 wt%ox Shaw et al. 1986 Binda Eucrite 12 Mg 107             Mittlefehldt 2004 Barrat et al. 2000 McCarthy et al. 1973 Boninites 12 Mg 10.64         348 wt% Kelemen et al. 2004 Boninites   Mg# 69.5         348   Kelemen et al. 2004 Brown Clay 12 Mg 3.26         29 wt%ox Plank & Langmuir 1998 Brown Clay 12 Mg 3.36         4 wt%ox Plank & Langmuir 1998 Ca-Al-rich Inclusions 12 Mg 11.82           wt%ox Bischoff & Keil 1983 McSween 1977 Ca-Al-rich Inclusions 12 Mg 10           wt%ox Bischoff & Keil 1983 Carbonate 12 Mg 1.31         13 wt%ox Plank & Langmuir 1998 Carbonate Turbidites 12 Mg 2.9         87 wt%ox Plank & Langmuir 1998 Carbonates 12 Mg 14.89         50 wt%ox Gao et al. 1998 Carbonates 12 Mg 10.58         2038 wt%ox Gao et al. 1998 Cascade Basalt 12 Mg 9.12         60 wt% Kelemen et al. 2004 Cascade Basalt   Mg# 67.17         60   Kelemen et al. 2004 Cascadia Trench 12 Mg 2.96           wt%ox Plank & Langmuir 1998 Central America Trench 12 Mg 1.52           wt%ox Plank & Langmuir 1998 Central American Basalts 12 Mg 10.63         78 wt% Kelemen et al. 2004 Central American Basalts   Mg# 64.49         78   Kelemen et al. 2004 Central East China Craton 12 Mg 3.67           wt%ox Gao et al. 1998 Central East China Craton 12 Mg 3.73           wt%ox Gao et al. 1998 Central East China Craton 12 Mg 3.02           wt%ox Gao et al. 1998 Central East China Craton 12 Mg 4.33           wt%ox Gao et al. 1998 Central East China Craton 12 Mg 5.05           wt%ox Gao et al. 1998 Central East China Craton 12 Mg 3.38           wt%ox Gao et al. 1998 Central East China Craton 12 Mg 3.6           wt%ox Gao et al. 1998 Central East China Craton 12 Mg 3.86           wt%ox Gao et al. 1998 Central East China Craton 12 Mg 3.5           wt%ox Gao et al. 1998 Central East China Craton 12 Mg 2.52           wt%ox Gao et al. 1998 Central East China Craton 12 Mg 3.42           wt%ox Gao et al. 1998 Chaunskij Mesosiderite 12 Mg 48.4             Mittlefehldt 2004 Mittlefehldt in press Petaev et al. 2000 Chert 12 Mg 0.7         4 wt%ox Plank & Langmuir 1998 Chert 12 Mg 0.86           wt%ox Elliot et al. 1997 Chert 12 Mg 0.9         4 wt%ox Plank & Langmuir 1998 Chondritic Porous Interplanetary Dust Particles 12 Mg 1.015             Bradley 2004 Schramm et al. 1989 Chondritic Smooth Interplanetary Dust Particles 12 Mg 0.824             Bradley 2004 Schramm et al. 1989 Chondrule Silicates   Si/Mg 0.03             Grossman & Wasson 1985 Chondrules 12 Mg 16.6           wt%ox Bischoff & Keil 1983 CI Chondrites   Al/Mg 0.0891             McDonough & Sun 1995 CI Chondrites   Fe/Mg 1.88             McDonough & Sun 1995 CI Chondrites 12 Mg 1.04             Bradley 2004 Palme & Jones 2004 CI Chondrites 12 Mg 15.17           wt%ox McDonough & Frey 1989 Palme et al. 1981 Anders & Ebihara 1982 Beer et al. 1984 Jochum et al. 1986 CI Chondrites 12 Mg 9.4           wt% McDonough & Sun 1995 Palme 1988 CI Chondrites 12 Mg 9.7           wt% McDonough & Sun 1995 Wasson & Kallemeyn 1988 CI Chondrites 12 Mg 53.6             McDonough & Frey 1989 Palme et al. 1981 Anders & Ebihara 1982 Beer et al. 1984 Jochum et al. 1986 CI Chondrites 12 Mg 9.89           wt% Palme & Jones 2004 Anders & Grevesse 1989 CI Chondrites 12 Mg 9.65           wt% McDonough & Sun 1995 CI Chondrites 12 Mg 0.92             Bradley 2004 McSween & Richardson 1977 CI Chondrites   Mg/Cr 36.4             McDonough & Sun 1995 CI Chondrites   Mg/Si 0.906             McDonough & Sun 1995 CI Chondrites   Mg/V 0.172             McDonough & Sun 1995 CI Chondrites   MgO/Ni 14.5             McDonough 1990 McDonough & Frey 1989 Sun & McDonough 1989 Sun 1982 CI Chondrites   Si/Mg 0.014             Grossman & Wasson 1985 Kallemeyn & Wasson 1984 Clastic Turbidites 12 Mg 2.96         28 wt%ox Plank & Langmuir 1998 CM Chondrites 12 Mg 0.957             Bradley 2004 McSween & Richardson 1977 CM Chondrites 12 Mg 1.023             Bradley 2004 Jarosewich 1990 Coarse Interplanetary Dust Particles 12 Mg 1.203             Bradley 2004 Schramm et al. 1989 Colombia Trench 12 Mg 0.55           wt%ox Plank & Langmuir 1998 Colorado River Particulates 12 Mg 10400           µg/g Martin & Meybeck 1979 Comet Halley 12 Mg -7.58             Anders & Grevesse 1989 Jessberger et al. 1988 Comet Halley 12 Mg -7.58             Anders & Grevesse 1989 Delsemme 1988 Congo River Particulates 12 Mg 5800           µg/g Martin & Meybeck 1979 Continental Arc Andesite 12 Mg 6.56         142 wt% Kelemen et al. 2004 Continental Arc Andesite 12 Mg 9.48         497 wt% Kelemen et al. 2004 Continental Arc Andesite   Mg# 65.24         497   Kelemen et al. 2004 Continental Arc Andesite   Mg# 65.18         142   Kelemen et al. 2004 Continental Arcs 12 Mg 5.1           wt%ox Rudnick & Fountain 1995 Continental Arcs 12 Mg 7.7           wt%ox Rudnick & Fountain 1995 Continental Crust 12 Mg 3.5           wt%ox Weaver & Tarney 1984 Goldschmidt 1933 Continental Crust 12 Mg 3.1           wt%ox Weaver & Tarney 1984 Vinogradov 1962 Continental Crust 12 Mg 3.9           wt%ox Weaver & Tarney 1984 Taylor 1964 Continental Crust 12 Mg 3.1           wt%ox Weaver & Tarney 1984 Ronov & Yaroshevskiy 1969 Continental Crust 12 Mg 3.2           wt%ox Weaver & Tarney 1984 Holland & Lambert 1972 Continental Crust 12 Mg 3.5           wt%ox Weaver & Tarney 1984 Taylor & McLennan 1981 Continental Crust 12 Mg 3.7           wt%ox Rudnick & Fountain 1995 Wedepohl 1995 Continental Crust 12 Mg 53.4             Rudnick & Fountain 1995 Wedepohl 1995 Continental Crust 12 Mg 3.15           wt%ox Shaw et al. 1986 Continental Crust 12 Mg 2.8           wt%ox Weaver & Tarney 1984 Continental Crust 12 Mg 23790           ppm Wedepohl & Hartmann 1994 Wedepohl 1991 Continental Crust 12 Mg 4.4           wt%ox Rudnick & Fountain 1995 Continental Crust 12 Mg 3.2           wt% Taylor & McLennan 1995 Continental Crust 12 Mg 2.2           wt% Wedepohl 1995 Continental Crust 12 Mg 4.7           wt% Rudnick & Gao 2004 Rudnick & Fountain 1995 Continental Crust 12 Mg 3.5           wt% Rudnick & Gao 2004 Gao et al. 1998a Continental Crust 12 Mg 3.1           wt% Rudnick & Gao 2004 Christensen & Mooney 1995 Continental Crust 12 Mg 3.8           wt% Rudnick & Gao 2004 Wedepohl 1995 Continental Crust 12 Mg 4.5           wt% Rudnick & Gao 2004 Rudnick & Fountain 1995 Continental Crust 12 Mg 3.9           wt% Rudnick & Gao 2004 Taylor 1964 Continental Crust 12 Mg 5.3           wt% Rudnick & Gao 2004 Taylor & McLennan 1985 Taylor & McLennan 1995 Continental Crust 12 Mg 3.1           wt% Rudnick & Gao 2004 Ronov & Yaroshevsky 1967 Continental Crust 12 Mg 3.2           wt% Rudnick & Gao 2004 Holland & Lambert 1972 Continental Crust 12 Mg 4.66           wt% Rudnick & Gao 2004 Continental Crust 12 Mg 2.8           wt% Rudnick & Gao 2004 Smithson 1978 Continental Crust 12 Mg 2.8           wt% Rudnick & Gao 2004 Weaver & Tarney 1984 Continental Crust 12 Mg 3.2           wt% Rudnick & Gao 2004 Shaw et al. 1986 Continental Crust 12 Mg 4.66           wt% Kemp & Hawkesworth 2004 Rudnick & Gao 2004 Continental Crust 12 Mg 3.2           wt% Palme & O'Neill 2004 Rudnick & Gao 2004 Continental Crust   Mg# 54.3             Rudnick & Gao 2004 Wedepohl 1995 Continental Crust   Mg# 55.3             Kemp & Hawkesworth 2004 Rudnick & Gao 2004 Continental Crust   Mg# 50.1             Rudnick & Gao 2004 Shaw et al. 1986 Continental Crust   Mg# 54.3             Rudnick & Gao 2004 Rudnick & Fountain 1995 Continental Crust   Mg# 50.5             Rudnick & Gao 2004 Weaver & Tarney 1984 Continental Crust   Mg# 49             Rudnick & Gao 2004 Smithson 1978 Continental Crust   Mg# 55.3             Rudnick & Gao 2004 Continental Crust   Mg# 50.9             Rudnick & Gao 2004 Holland & Lambert 1972 Continental Crust   Mg# 47             Rudnick & Gao 2004 Ronov & Yaroshevsky 1967 Continental Crust   Mg# 48.7             Rudnick & Gao 2004 Taylor 1964 Continental Crust   Mg# 50.9             Rudnick & Gao 2004 Taylor & McLennan 1985 Taylor & McLennan 1995 Continental Crust   Mg# 48.3             Rudnick & Gao 2004 Gao et al. 1998a Continental Crust   Mg# 44.8             Rudnick & Gao 2004 Christensen & Mooney 1995 Continental Intraplate Peridotite 12 Mg 21.47           wt% Pearson et al. 2004 Ionov 1996 Continental Intraplate Peridotite 12 Mg 16.08           wt% Pearson et al. 2004 Ionov 1996 Continental Intraplate Peridotite 12 Mg 16.02           wt% Pearson et al. 2004 Zipfel & Worner 1992 Continental Intraplate Peridotite 12 Mg 15.41           wt% Pearson et al. 2004 Ionov 1996 Continental Intraplate Peridotite 12 Mg 34.64           wt% Pearson et al. 2004 Zipfel & Worner 1992 Continental Intraplate Peridotite 12 Mg 34           wt% Pearson et al. 2004 Canil & O'Neill 1996 Continental Intraplate Peridotite 12 Mg 32.51           wt% Pearson et al. 2004 Ionov 1996 Continental Intraplate Peridotite 12 Mg 33.21           wt% Pearson et al. 2004 Ionov 1996 Continental Intraplate Peridotite 12 Mg 32.94           wt% Pearson et al. 2004 Ionov 1996 Continental Intraplate Peridotite 12 Mg 32.94           wt% Pearson et al. 2004 Ionov 1996 Continental Intraplate Peridotite 12 Mg 20.97           wt% Pearson et al. 2004 Ionov 1996 Continental Intraplate Peridotite 12 Mg 15.52           wt% Pearson et al. 2004 Ionov 1996 Continental Intraplate Peridotite 12 Mg 15.43           wt% Pearson et al. 2004 Ionov 1996 Continental Intraplate Peridotite 12 Mg 15.3           wt% Pearson et al. 2004 Canil & O'Neill 1996 Continental Intraplate Peridotite 12 Mg 20.13           wt% Pearson et al. 2004 Zipfel & Worner 1992 Continental Intraplate Peridotite 12 Mg 20.77           wt% Pearson et al. 2004 Ionov 1996 Continental Intraplate Peridotite 12 Mg 20.91           wt% Pearson et al. 2004 Ionov 1996 Continental Intraplate Peridotite 12 Mg 18.92           wt% Pearson et al. 2004 Ionov 1996 Continental Intraplate Peridotite 12 Mg 18.55           wt% Pearson et al. 2004 Ionov 1996 Continental Intraplate Peridotite 12 Mg 20.12           wt% Pearson et al. 2004 Ionov 1996 Continental Shields & Platforms 12 Mg 4.7           wt%ox Rudnick & Fountain 1995 Continental Shields & Platforms 12 Mg 7.1           wt%ox Rudnick & Fountain 1995 Core 12 Mg 0           wt% McDonough 1998 Core 12 Mg 0           wt% McDonough 2004 Cratonic Peridotite 12 Mg 20.1           wt% Pearson et al. 2004 Canil & O'Neill 1996 Cratonic Peridotite 12 Mg 20.3           wt% Pearson et al. 2004 Canil & O'Neill 1996 Cratonic Peridotite 12 Mg 32.5           wt% Pearson et al. 2004 Smith et al. 1991 Cratonic Peridotite 12 Mg 35           wt% Pearson et al. 2004 Canil & O'Neill 1996 Cratonic Peridotite 12 Mg 35.2           wt% Pearson et al. 2004 Canil & O'Neill 1996 Cratonic Peridotite 12 Mg 36.5           wt% Pearson et al. 2004 Canil & O'Neill 1996 Cratonic Peridotite 12 Mg 20.9           wt% Pearson et al. 2004 Smith et al. 1991 Cratonic Peridotite 12 Mg 21.5           wt% Pearson et al. 2004 Canil & O'Neill 1996 Cratonic Peridotite 12 Mg 16.2           wt% Pearson et al. 2004 Canil & O'Neill 1996 Cratonic Peridotite 12 Mg 17.3           wt% Pearson et al. 2004 Canil & O'Neill 1996 Cratonic Peridotite 12 Mg 21.1           wt% Pearson et al. 2004 Smith et al. 1991 Cratonic Peridotite 12 Mg 13.4           wt% Pearson et al. 2004 Canil & O'Neill 1996 Cratonic Peridotite 12 Mg 19.9           wt% Pearson et al. 2004 Canil & O'Neill 1996 Cratonic Peridotite 12 Mg 22.3           wt% Pearson et al. 2004 Canil & O'Neill 1996 D'Orbigny Angrite 12 Mg 39.6             Mittlefehldt 2004 Mittlefehldt et al. 2002 Dacites 12 Mg 1.78         578 wt%ox Le Maitre 1976 Danube River Particulates 12 Mg 21000           µg/g Martin & Meybeck 1979 Depleted D-MORB basalts 12 Mg 38.73           wt% Workman & Hart 2005 Depleted D-MORB basalts 12 Mg 89.4             Workman & Hart 2005 Depleted MORB Mantle Clinopyroxene 12 Mg 90.8             Workman & Hart 2005 Depleted MORB Mantle Clinopyroxene 12 Mg 16.19           wt% Workman & Hart 2005 Depleted MORB Mantle Olivine 12 Mg 48.59           wt% Workman & Hart 2005 Depleted MORB Mantle Olivine 12 Mg 89.5             Workman & Hart 2005 Depleted MORB Mantle Orthopyroxene 12 Mg 30.55           wt% Workman & Hart 2005 Depleted MORB Mantle Orthopyroxene 12 Mg 89.7             Workman & Hart 2005 Depleted MORB Mantle Spinel 12 Mg 73.2             Workman & Hart 2005 Depleted MORB Mantle Spinel 12 Mg 19.27           wt% Workman & Hart 2005 Diabases 12 Mg 6.4         370 wt%ox Le Maitre 1976 Diatom Oozes & Clay 12 Mg 1.73         15 wt%ox Plank & Langmuir 1998 Diatome Clay 12 Mg 2.2         6 wt%ox Plank & Langmuir 1998 Diatome Mud 12 Mg 2.2         6 wt%ox Plank & Langmuir 1998 Diatome Ooze 12 Mg 2.18         4 wt%ox Plank & Langmuir 1998 Diorite 12 Mg 3.74         260 wt%ox Gao et al. 1998 Diorites 12 Mg 3.71         755 wt%ox Le Maitre 1976 Dolerites 12 Mg 6.78         687 wt%ox Le Maitre 1976 DSDP/ODP Site 800 12 Mg 4.13           wt%ox Plank & Langmuir 1998 DSDP/ODP Site 801 12 Mg 2.49           wt%ox Elliot et al. 1997 DSDP/ODP Site 801 12 Mg 3.05           wt%ox Plank & Langmuir 1998 Dunites 12 Mg 37.94         78 wt%ox Le Maitre 1976 E-MORB 12 Mg 7.43           wt% Klein 2004 Lehnert 2000 Early Archean Upper Crust 12 Mg 3.4           wt%ox Condie 1993 Early Archean Upper Crust 12 Mg 4.06           wt%ox Condie 1993 Early Proterozoic Upper Crust 12 Mg 1.95           wt%ox Condie 1993 Early Proterozoic Upper Crust 12 Mg 2.23           wt%ox Condie 1993 Earth 12 Mg 13.2           ppm Morgan et al. 1978 Ganapathy & Anders 1974 East China Craton 12 Mg 3.77           wt%ox Gao et al. 1998 East China Craton 12 Mg 3.48           wt%ox Gao et al. 1998 East Sunda Trench 12 Mg 2.45           wt%ox Plank & Langmuir 1998 EET 83309 Urelite 12 Mg 210             Mittlefehldt 2004 Warren & Kallemeyn 1989b EET 84302 Acapulcoite 12 Mg 210             Mittlefehldt 2004 Weigel et al. 1999 Estherville Mesosiderite 12 Mg 102.4             Mittlefehldt 2004 Mittlefehldt in press Simpson & Ahrens 1977 Eucrites 12 Mg 15           ppm Morgan et al. 1978 Felsic Archean Granulites 12 Mg 1.1 0.88       378 wt%ox Rudnick & Fountain 1995 Felsic Granulites 12 Mg 2.44         137 wt%ox Gao et al. 1998 Felsic Post-Archean Granulites 12 Mg 1.3 1.2       223 wt%ox Rudnick & Fountain 1995 Felsic Volcanics 12 Mg 0.74           wt%ox Condie 1993 Felsic Volcanics 12 Mg 1.36         972 wt%ox Gao et al. 1998 Felsic Volcanics 12 Mg 0.4           wt%ox Condie 1993 Felsic Volcanics 12 Mg 0.5           wt%ox Condie 1993 Felsic Volcanics 12 Mg 0.6           wt%ox Condie 1993 Felsic Volcanics 12 Mg 0.5           wt%ox Condie 1993 Felsic Volcanics 12 Mg 0.81           wt%ox Condie 1993 Felsic Volcanics 12 Mg 0.99           wt%ox Condie 1993 Ferruginous Clay 12 Mg 1.61         2 wt%ox Plank & Langmuir 1998 Frankfort Howardites 12 Mg 126.3             Mittlefehldt 2004 McCarthy et al. 1972 Palme et al. 1978 Fresh Mid-Ocean Ridge Basalts 12 Mg 8.57         203 wt% Kelemen et al. 2004 Fresh Mid-Ocean Ridge Basalts 12 Mg 5             Edmond et al. 1979 Fresh Mid-Ocean Ridge Basalts 12 Mg 36.77           wt% Palme & O'Neill 2004 Fresh Mid-Ocean Ridge Basalts   Mg# 63.23         203   Kelemen et al. 2004 Fresh MORB in Indian Ocean 12 Mg 8.85           wt% Klein 2004 Klein et al. 1991 Gabbros 12 Mg 7.59         1317 wt%ox Le Maitre 1976 Gabbros 12 Mg 7.6           wt%ox Wedepohl 1995 Le Maitre 1976 Galapagos Hydrothermal Vents 12 Mg       51.1 52.7     Edmond et al. 1979 Ganges River Particulates 12 Mg 12400           µg/g Martin & Meybeck 1979 Garnet Peridotites 12 Mg 42.6           wt%ox McDonough 1990 Maaloe & Aoki 1975 Garnet Peridotites 12 Mg 91.1             McDonough 1990 Jordan 1979 Garnet Peridotites 12 Mg   44.2         wt%ox McDonough 1991 Maaloe & Aoki 1975 Jordan 1979 Boyd 1989 McDonough 1990 Garnet Peridotites 12 Mg 43.55           wt%ox McDonough 1990 Jordan 1979 Garnet Peridotites 12 Mg   91.6           McDonough 1991 Maaloe & Aoki 1975 Jordan 1979 Boyd 1989 McDonough 1990 Garnet Peridotites 12 Mg 90.6             McDonough 1990 Maaloe & Aoki 1975 Garonne River Particulates 12 Mg 17300           µg/g Martin & Meybeck 1979 Gibson Lodranite 12 Mg 188             Mittlefehldt 2004 Weigel et al. 1999 Granites 12 Mg 0.42           wt%ox Condie 1993 Granites 12 Mg 0.37           wt%ox Condie 1993 Granites 12 Mg 0.4           wt%ox Condie 1993 Granites 12 Mg 0.57           wt%ox Wedepohl 1995 Whalen et al. 1987 Granites 12 Mg 0.71         2236 wt%ox Le Maitre 1976 Granites 12 Mg 0.29         8 wt% Kemp & Hawkesworth 2004 Kemp 2001 Granites 12 Mg 0.84           wt% Kemp & Hawkesworth 2004 Sylvester 1995 Granites 12 Mg 0.62         1226 wt%ox Gao et al. 1998 Granites 12 Mg 1.06         402 wt%ox Gao et al. 1998 Granites   Mg# 35.5             Kemp & Hawkesworth 2004 Sylvester 1995 Granites   Mg# 29.7         8   Kemp & Hawkesworth 2004 Kemp 2001 Granodiorites 12 Mg 1.74         723 wt%ox Le Maitre 1976 Granodiorites 12 Mg 1.74           wt%ox Wedepohl 1995 Le Maitre 1976 Granulites 12 Mg 3.47 1.73       655 wt%ox Rudnick & Presper 1990 Granulites 12 Mg 3.4           wt%ox Weaver & Tarney 1984 Weaver & Tarney 1982 Granulites 12 Mg 3.73 2.66       592 wt%ox Rudnick & Presper 1990 Granulites   Mg# 49.5 42.9           Rudnick & Presper 1990 Granulites   Mg# 52.3 41.7           Rudnick & Presper 1990 Granulitic Xenolites 12 Mg 7.68 7.32       350 wt%ox Rudnick & Presper 1990 Granulitic Xenolites   Mg# 60.4 59.8           Rudnick & Presper 1990 Graywackes 12 Mg 2           wt%ox Condie 1993 Graywackes 12 Mg 2.1           wt%ox Condie 1993 Graywackes 12 Mg 3.5           wt%ox Condie 1993 Graywackes 12 Mg 2.1           wt%ox Condie 1993 Graywackes 12 Mg 2.2           wt%ox Condie 1993 Graywackes 12 Mg 3.3           wt%ox Condie 1993 Greater Antilles Basalt 12 Mg 10.57         21 wt% Kelemen et al. 2004 Greater Antilles Basalt   Mg# 67.64         21   Kelemen et al. 2004 Green Clay 12 Mg 3.15         3 wt%ox Plank & Langmuir 1998 Greywackes 12 Mg 2.3           wt%ox Wedepohl 1995 Group 1 Lunar Crystalline Rocks 12 Mg 7.6         6 wt%ox Compston et al. 1970 Group 1 Lunar Crystalline Rocks 12 Mg 7.5         6 wt%ox Compston et al. 1970 Group 2 Lunar Crystalline Rocks 12 Mg 6.66         8 wt%ox Compston et al. 1970 Group 2 Lunar Crystalline Rocks 12 Mg 7.17         8 wt%ox Compston et al. 1970 H Ordinary Chondrites 12 Mg 14.3           ppm Morgan et al. 1978 Mason 1965 Halley Comet Tail   C/Mg 11.3             Brownlee 2004 Grun & Jessberger 1990 Halley Comet Tail   C/Mg 11.3             Brownlee 2004 Huebner 2002 Halley Comet Tail   C/Mg 12             Brownlee 2004 Geiss 1988 Halley Comet Tail   H/Mg 31             Brownlee 2004 Grun & Jessberger 1990 Halley Comet Tail   H/Mg 39             Brownlee 2004 Geiss 1988 Halley Comet Tail   H/Mg 25200             Brownlee 2004 Huebner 2002 Halley Comet Tail   N/Mg 2.3             Brownlee 2004 Huebner 2002 Halley Comet Tail   N/Mg       0.4 0.8     Brownlee 2004 Geiss 1988 Halley Comet Tail   N/Mg 0.7             Brownlee 2004 Grun & Jessberger 1990 Halley Comet Tail   O/Mg 15             Brownlee 2004 Grun & Jessberger 1990 Halley Comet Tail   O/Mg 18.5             Brownlee 2004 Huebner 2002 Halley Comet Tail   O/Mg 22.3             Brownlee 2004 Geiss 1988 Harzburgites 12 Mg 33.18         199 wt%ox Le Maitre 1976 Havero Urelite 12 Mg 224             Mittlefehldt 2004 Wanke et al. 1972 Hawaiites 12 Mg 5.58         58 wt%ox Le Maitre 1976 Honshu Basalt 12 Mg 9.29         137 wt% Kelemen et al. 2004 Honshu Basalt   Mg# 65         137   Kelemen et al. 2004 Hydrothermal Sediment 12 Mg 2.35         4 wt%ox Plank & Langmuir 1998 IAB Campo del Cielo 12 Mg 159             Mittlefehldt 2004 Bild 1977 IAB Landes 12 Mg 153             Mittlefehldt 2004 Bild 1977 IAB Udei Station 12 Mg 197             Mittlefehldt 2004 Kallemeyn & Wasson 1985 Ibitira Eucrite 12 Mg 43.9             Mittlefehldt 2004 Jarosewich 1990 Barrat et al. 2000 Igneous Rocks 12 Mg 5.06         22775 wt%ox Le Maitre 1976 Inner Blake Plateau Phosphorites 12 Mg 1.02           wt%ox Manheim et al. 1980 Interior North China Craton 12 Mg 2.67           wt%ox Gao et al. 1998 Interior North China Craton 12 Mg 3.76           wt%ox Gao et al. 1998 Interior North China Craton 12 Mg 4.77           wt%ox Gao et al. 1998 Interior North China Craton 12 Mg 3.47           wt%ox Gao et al. 1998 Interior North China Craton 12 Mg 3.72           wt%ox Gao et al. 1998 Interlayerd Clay & Chert 12 Mg 0.44         2 wt%ox Plank & Langmuir 1998 Interlayered Chert & Limestone 12 Mg 0.81         5 wt%ox Plank & Langmuir 1998 Interlayered Clay & Chert 12 Mg 2.41         12 wt%ox Plank & Langmuir 1998 Intermediate Granulites 12 Mg 3.66         136 wt%ox Gao et al. 1998 Intermediate Mafic Archean Granulites 12 Mg 3.6 3.3       106 wt%ox Rudnick & Fountain 1995 Intermediate Mafic Granulitic Xenolites 12 Mg 5.5 5.3       48 wt%ox Rudnick & Fountain 1995 Intermediate Mafic Post-Archean Granulites 12 Mg 3.8 3.6       132 wt%ox Rudnick & Fountain 1995 Intermediate Precambrian Granulites 12 Mg 3.18         26 wt%ox Shaw et al. 1986 Interplanetary Dust Particles 12 Mg 0.98             Bradley 2004 Schramm et al. 1989 Island Arc Andesite 12 Mg 9.84         503 wt% Kelemen et al. 2004 Island Arc Andesite 12 Mg 7.95         32 wt% Kelemen et al. 2004 Island Arc Andesite   Mg# 66.29         503   Kelemen et al. 2004 Island Arc Andesite   Mg# 66.29         32   Kelemen et al. 2004 Island Arcs 12 Mg 2.15         323 wt% Kemp & Hawkesworth 2004 Silver & Chappell 1998 Island Arcs 12 Mg 2.11           wt% Taylor & McLennan 1995 Island Arcs   Mg# 38.7         323   Kemp & Hawkesworth 2004 Silver & Chappell 1998 Izu-Bonin Trench 12 Mg 0.92           wt%ox Plank & Langmuir 1998 Japan Trench 12 Mg 1.67           wt%ox Plank & Langmuir 1998 Java Trench 12 Mg 2.72           wt%ox Plank & Langmuir 1998 Johnstown Diogenite 12 Mg 153.6             Mittlefehldt 2004 Wanke et al. 1977 Kamchatka Basalt 12 Mg 9.39         78 wt% Kelemen et al. 2004 Kamchatka Basalt   Mg# 65.09         78   Kelemen et al. 2004 Kamchatka Trench 12 Mg 0.74           wt%ox Plank & Langmuir 1998 Kapoeta Howardites 12 Mg 95             Mittlefehldt 2004 Wanke et al. 1972 Kerm Trench 12 Mg 2.87           wt%ox Plank & Langmuir 1998 Kermadec Basalts 12 Mg 9.07         36 wt% Kelemen et al. 2004 Kermadec Basalts   Mg# 64.48         36   Kelemen et al. 2004 Kimberlite 12 Mg 27.8         22 wt% Farmer 2004 Taylor et al. 1994 Kimberlite 12 Mg 26.7         32 wt% Farmer 2004 Taylor et al. 1994 Kimberlite 12 Mg 29.1         35 wt% Farmer 2004 Taylor et al. 1994 Komatiites 12 Mg 26           wt%ox Condie 1993 Komatiites   MgO/Ni 210             McDonough 1991 Kuriles Trench 12 Mg 1.67           wt%ox Plank & Langmuir 1998 L Ordinary Chondrites 12 Mg 0.928             Bradley 2004 Jarosewich 1990 Late Archean Upper Crust 12 Mg 2.57           wt%ox Condie 1993 Late Archean Upper Crust 12 Mg 2.89           wt%ox Condie 1993 Late Proterozoic Upper Crust 12 Mg 1.82           wt%ox Condie 1993 Late Proterozoic Upper Crust 12 Mg 2.07           wt%ox Condie 1993 Latites 12 Mg 2.22         146 wt%ox Le Maitre 1976 Lesser Antilles Basalt 12 Mg 13.69         84 wt% Kelemen et al. 2004 Lesser Antilles Basalt   Mg# 70.97         84   Kelemen et al. 2004 Leucitic Basalt 12 Mg 8.36           wt% Fegley, Jr. 2004 Volkov et al. 1986 Lherzolites 12 Mg 28.37         177 wt%ox Le Maitre 1976 Low Si-Mg Mantle 12 Mg 37.78           wt% Walter 2004 Hart & Zindler 1986 Low Si-Mg Mantle   Mg# 89.8             Walter 2004 Hart & Zindler 1986 Low Si-Mg Mantle   MgO/SiO2 0.82             Walter 2004 Hart & Zindler 1986 Lower Continental Crust 12 Mg 4.1           wt%ox Shaw et al. 1986 Taylor & McLennan 1981 Lower Continental Crust 12 Mg 4.9           wt%ox Wedepohl 1995 Lower Continental Crust 12 Mg 4.1           wt%ox Shaw et al. 1986 Lower Continental Crust 12 Mg 3.8           wt% Taylor & McLennan 1995 Lower Continental Crust 12 Mg 31550           ppm Wedepohl 1995 Lower Continental Crust 12 Mg 7.1           wt%ox Rudnick & Fountain 1995 Lower Continental Crust 12 Mg 7.24           wt% Rudnick & Gao 2004 Rudnick & Fountain 1995 Lower Continental Crust 12 Mg 6.28           wt% Rudnick & Gao 2004 Taylor & McLennan 1985 Taylor & McLennan 1995 Lower Continental Crust 12 Mg 4.46           wt% Rudnick & Gao 2004 Gao et al. 1998a Lower Continental Crust 12 Mg 5.32           wt% Rudnick & Gao 2004 Wedepohl 1995 Lower Continental Crust 12 Mg 7.21           wt% Rudnick & Gao 2004 Rudnick & Presper 1990 Lower Continental Crust 12 Mg 7.24           wt% Rudnick & Gao 2004 Rudnick & Fountain 1995 Lower Continental Crust 12 Mg 3.5           wt% Rudnick & Gao 2004 Weaver & Tarney 1984 Lower Continental Crust 12 Mg 8.72           wt% Rudnick & Gao 2004 Rudnick & Taylor 1987 Lower Continental Crust 12 Mg 4.36           wt% Rudnick & Gao 2004 Shaw et al. 1994 Lower Continental Crust 12 Mg 9.79           wt% Rudnick & Gao 2004 Liu et al. 2001 Lower Continental Crust 12 Mg 3.53           wt% Rudnick & Gao 2004 Villaseca et al. 1999 Lower Continental Crust 12 Mg 6.04           wt% Rudnick & Gao 2004 Condie & Selverstone 1999 Lower Continental Crust 12 Mg 7.24           wt% Kemp & Hawkesworth 2004 Rudnick & Gao 2004 Lower Continental Crust   Mg# 52.3             Rudnick & Gao 2004 Shaw et al. 1994 Lower Continental Crust   Mg# 51.4             Rudnick & Gao 2004 Taylor & McLennan 1985 Taylor & McLennan 1995 Lower Continental Crust   Mg# 56.5             Rudnick & Gao 2004 Rudnick & Taylor 1987 Lower Continental Crust   Mg# 58.6             Rudnick & Gao 2004 Rudnick & Presper 1990 Lower Continental Crust   Mg# 55.9             Rudnick & Gao 2004 Wedepohl 1995 Lower Continental Crust   Mg# 50.5             Rudnick & Gao 2004 Condie & Selverstone 1999 Lower Continental Crust   Mg# 60.1             Rudnick & Gao 2004 Rudnick & Fountain 1995 Lower Continental Crust   Mg# 46.1             Rudnick & Gao 2004 Gao et al. 1998a Lower Continental Crust   Mg# 76.2             Rudnick & Gao 2004 Liu et al. 2001 Lower Continental Crust   Mg# 60.1             Kemp & Hawkesworth 2004 Rudnick & Gao 2004 Lower Continental Crust   Mg# 45.6             Rudnick & Gao 2004 Villaseca et al. 1999 Lower Continental Crust   Mg# 53.4             Rudnick & Gao 2004 Weaver & Tarney 1984 Lujavrites 12 Mg 1.35         76 wt%ox Le Maitre 1976 Lunar Anothosites 12 Mg 7.6           wt%ox Compston et al. 1970 Wood et al. 1970 Lunar Breccias 12 Mg 7.47         6 wt%ox Compston et al. 1970 Lunar Breccias 12 Mg 7.81         2 wt%ox Compston et al. 1970 Lunar Crystalline Rocks 12 Mg 7.13           wt%ox Compston et al. 1970 Lunar Soil 12 Mg 7.87         1 wt%ox Compston et al. 1970 Luzon Basalt 12 Mg 10.86         24 wt% Kelemen et al. 2004 Luzon Basalt   Mg# 66.05         24   Kelemen et al. 2004 MAC 88177 Lodranite 12 Mg 221             Mittlefehldt 2004 Weigel et al. 1999 Macibini Eucrites 12 Mg 50.5             Mittlefehldt 2004 McCarthy et al. 1973 Buchanan et al. 2000b MacKenzie River Particulates 12 Mg 4000           µg/g Martin & Meybeck 1979 Mafic Archean Granulites 12 Mg 8.53 7.25       100 wt%ox Rudnick & Fountain 1995 Mafic Granulites 12 Mg 6.14         128 wt%ox Gao et al. 1998 Mafic Granulitic Xenolites 12 Mg 8.56 8.24       269 wt%ox Rudnick & Fountain 1995 Mafic Intrusions 12 Mg 7.29         308 wt%ox Gao et al. 1998 Mafic Post-Archean Granulites 12 Mg 8.14 7.3       95 wt%ox Rudnick & Fountain 1995 Makran Trench 12 Mg 3.49           wt%ox Plank & Langmuir 1998 Malvern Howardites 12 Mg 72.6             Mittlefehldt 2004 Palme et al. 1978 Manganese Nodules 12 Mg 16000           ppm Li 1991 Baturin 1988 Mantle 12 Mg 38.59     37.46 39.25   wt% Walter 2004 Mantle 12 Mg 35.8           wt% Palme & O'Neill 2004 Mantle 12 Mg 38.59           wt% Walter 2004 Mantle 12 Mg 22.8           wt% McDonough 2004 Mantle   Mg# 89.28     88.91 89.49     Walter 2004 Mantle   Mg# 89.3             Walter 2004 Mantle   MgO/SiO2 0.86             Walter 2004 Mantle Xenoliths 12 Mg 41.4           wt% Pearson et al. 2004 McDonough 1990 Mantle Xenoliths   Mg# 0.9             Pearson et al. 2004 McDonough 1990 Mantle Xenoliths   Mg/Si 1.21             Pearson et al. 2004 McDonough 1990 Marianas Basalt 12 Mg 8.57         168 wt% Kelemen et al. 2004 Marianas Basalt   Mg# 65.05         168   Kelemen et al. 2004 Marianas Trench 12 Mg 3.59           wt%ox Plank & Langmuir 1998 Marine Organisms 12 Mg 94000           ppm Li 1991 Bowen 1979 Marine Pelagic Clay 12 Mg 21000           ppm Li 1991 Turekian & Wedepohl 1961 Marine Pelagic Clay 12 Mg 21000           ppm Li 1982 Marine Shales 12 Mg 15000           ppm Li 1991 Turekian & Wedepohl 1961 Mars Mantle 12 Mg 29.7           wt% McSween, Jr. 2004 Lodders & Fegley 1997 Mars Mantle 12 Mg 30.1           wt% McSween, Jr. 2004 Wanke & Dreibus 1988 Mars Mantle 12 Mg 27.3           wt% McSween, Jr. 2004 Sanloup 1999 Mars Soil 12 Mg 5.3     2.3 10.3   wt% McSween, Jr. 2004 Clark et al. 1982 Mars Soil 12 Mg 7.3     4.3 12.3   wt% McSween, Jr. 2004 Clark et al. 1982 Mars Soil 12 Mg 6.4     3.4 11.4   wt% McSween, Jr. 2004 Clark et al. 1982 Mars Soil 12 Mg 6.4     3.4 11.4   wt% McSween, Jr. 2004 Clark et al. 1982 Mavic Volcanics 12 Mg 5.6         632 wt%ox Gao et al. 1998 Mead Peak Phosphatic Shale Member 12 Mg 0.36         41 wt%ox Gulbrandsen 1966 Mekong River Particulates 12 Mg 13500           µg/g Martin & Meybeck 1979 Melitite-rich Chondrules 12 Mg 9.9     6.9 12.6 10 wt%ox Martin & Mason 1974 Mercury Crustal Silicates 12 Mg 33.7           wt% Taylor & Scott 2004 Morgan & Anders 1980 Mercury Crustal Silicates 12 Mg 10.8           wt% Taylor & Scott 2004 Morgan & Anders 1980 Mercury Crustal Silicates 12 Mg       32 38   wt% Taylor & Scott 2004 Goettel 1988 Mercury Crustal Silicates 12 Mg 50           wt% Taylor & Scott 2004 Fegley & Cameron 1987 Mercury Crustal Silicates 12 Mg 19.1           wt% Taylor & Scott 2004 Mercury Crustal Silicates 12 Mg 18.9           wt% Taylor & Scott 2004 Krot et al. 2001 Mercury Crustal Silicates 12 Mg 37.4           wt% Taylor & Scott 2004 Krot et al. 2001 Mercury Crustal Silicates 12 Mg 34.6           wt% Taylor & Scott 2004 Goettel 1988 Mercury Crustal Silicates 12 Mg 36.1           wt% Taylor & Scott 2004 Goettel 1988 Jagoutz et al. 1979 Taylor & McLennan 1985 McDonough & Sun 1995 Mesozoic & Cenozoic Extensions 12 Mg 4.8           wt%ox Rudnick & Fountain 1995 Mesozoic & Cenozoic Extensions 12 Mg 2.6           wt%ox Rudnick & Fountain 1995 Mesozoic & Cenozoic Orogens 12 Mg 3.3           wt%ox Rudnick & Fountain 1995 Mesozoic & Cenozoic Orogens 12 Mg 4.8           wt%ox Rudnick & Fountain 1995 Mesozoic & Cenozoic Upper Crust 12 Mg 1.94           wt%ox Condie 1993 Mesozoic & Cenozoic Upper Crust 12 Mg 2.21           wt%ox Condie 1993 META 78008 Urelite 12 Mg 210             Mittlefehldt 2004 Warren & Kallemeyn 1992 Metafelsic Volcanics 12 Mg 2.23         41 wt%ox Gao et al. 1998 Metalliferous Clay 12 Mg 3.23         12 wt%ox Plank & Langmuir 1998 Metamorphic Rocks 12 Mg 2.91           wt%ox Wedepohl 1995 Poldervaart 1955 Metapelitic Granulitic Xenolites 12 Mg 3.12 3.03       78 wt%ox Rudnick & Fountain 1995 Mexico Trench 12 Mg 2.87           wt%ox Plank & Langmuir 1998 Middle Continental Crust 12 Mg 3.59           wt% Kemp & Hawkesworth 2004 Rudnick & Gao 2004 Middle Continental Crust 12 Mg 3.4           wt%ox Rudnick & Fountain 1995 Middle Continental Crust 12 Mg 3.5           wt% Rudnick & Gao 2004 Rudnick & Fountain 1995 Middle Continental Crust 12 Mg 1.27           wt% Rudnick & Gao 2004 Shaw et al. 1994 Middle Continental Crust 12 Mg 1.43           wt% Rudnick & Gao 2004 Weaver & Tarney 1984 Middle Continental Crust 12 Mg 3.67           wt% Rudnick & Gao 2004 Gao et al. 1998 Middle Continental Crust   Mg# 51.5             Rudnick & Gao 2004 Middle Continental Crust   Mg# 43.8             Rudnick & Gao 2004 Weaver & Tarney 1984 Middle Continental Crust   Mg# 54.5             Rudnick & Gao 2004 Gao et al. 1998 Middle Continental Crust   Mg# 48.6             Rudnick & Gao 2004 Rudnick & Fountain 1995 Middle Continental Crust   Mg# 51.5             Kemp & Hawkesworth 2004 Rudnick & Gao 2004 Middle Continental Crust   Mg# 45.5             Rudnick & Gao 2004 Shaw et al. 1994 Middle Proterozoic Upper Crust 12 Mg 2.14           wt%ox Condie 1993 Middle Proterozoic Upper Crust 12 Mg 1.87           wt%ox Condie 1993 Miles IIE Iron 12 Mg 42             Mittlefehldt 2004 Ebihara et al. 1997 Miles IIE Iron 12 Mg 65.1             Mittlefehldt 2004 Ebihara et al. 1997 Mincy Mesosiderite 12 Mg 124             Mittlefehldt 2004 Mittlefehldt in press Simpson & Ahrens 1977 Monzonites 12 Mg 2.02         252 wt%ox Le Maitre 1976 Moon 12 Mg 17.4           ppm Morgan et al. 1978 Ganapathy & Anders 1974 Moore County Eucrite 12 Mg 56.7             Mittlefehldt 2004 Barrat et al. 2000 McCarthy et al. 1973 MORB Basaltic Glass 12 Mg 8.37           wt% Klein 2004 Lehnert 2000 MORB Basaltic Glass 12 Mg 5.62           wt% Klein 2004 Lehnert 2000 MORB Basaltic Glass 12 Mg 7.21           wt% Klein 2004 Lehnert 2000 MORB Basaltic Glass 12 Mg 7.85           wt% Klein 2004 Lehnert 2000 MORB Basaltic Glass 12 Mg 6.87           wt% Klein 2004 Lehnert 2000 MORB Basaltic Glass   Mg# 43.3             Klein 2004 Lehnert 2000 MORB Basaltic Glass   Mg# 58.6             Klein 2004 Lehnert 2000 MORB Basaltic Glass   Mg# 55.2             Klein 2004 Lehnert 2000 MORB Basaltic Glass   Mg# 52.5             Klein 2004 Lehnert 2000 MORB Basaltic Glass   Mg# 62.6             Klein 2004 Lehnert 2000 Mugearites 12 Mg 3.2         55 wt%ox Le Maitre 1976 N-MORB 12 Mg 7.58           wt% Klein 2004 Niu et al. 1999 N-MORB 12 Mg 7.23           wt% Klein 2004 Thompson et al. 1980 N-MORB 12 Mg 9.74           wt% Workman & Hart 2005 Presnall & Hoover 1987 N-MORB 12 Mg 56.4           wt%ox Hart et al. 1999 Hofmann 1988 Ito et al. 1987 Smith et al. 1995 Hauri & Hart 1997 N-MORB 12 Mg 7.576           wt%ox Hart et al. 1999 Hofmann 1988 Ito et al. 1987 Smith et al. 1995 Hauri & Hart 1997 N-MORB 12 Mg 8.67           wt% Klein 2004 Lehnert 2000 N-MORB 12 Mg 8.53           wt% Klein 2004 Lehnert 2000 N-MORB 12 Mg 70.6           ng/g Workman & Hart 2005 Presnall & Hoover 1987 Nankai Trench 12 Mg 2.22           wt%ox Plank & Langmuir 1998 Nano Ooze 12 Mg 1.59         4 wt%ox Plank & Langmuir 1998 Nepheline Leucite Basalts 12 Mg 10.63         70 wt%ox Le Maitre 1976 Nepheline Syenites 12 Mg 0.77         108 wt%ox Le Maitre 1976 Nephelinites 12 Mg 6.39         159 wt%ox Le Maitre 1976 New Hebrides Islands 12 Mg 11.33         65 wt% Kelemen et al. 2004 New Hebrides Islands   Mg# 69.53         65   Kelemen et al. 2004 Niger River Particulates 12 Mg 9300           µg/g Martin & Meybeck 1979 Nile River Particulates 12 Mg 18500           µg/g Martin & Meybeck 1979 Norites 12 Mg 8.73         188 wt%ox Le Maitre 1976 North American Shale Composite (NASC) 12 Mg 2.86           wt%ox Condie 1993 North Antilles Trench 12 Mg 2.77           wt%ox Plank & Langmuir 1998 North Qinling Belt in China 12 Mg 3.94           wt%ox Gao et al. 1998 North Qinling Belt in China 12 Mg 3.2           wt%ox Gao et al. 1998 North Qinling Belt in China 12 Mg 3.38           wt%ox Gao et al. 1998 North Qinling Belt in China 12 Mg 3.01           wt%ox Gao et al. 1998 North Qinling Belt in China 12 Mg 4.24           wt%ox Gao et al. 1998 Northern Blake Plateau Phosphorites 12 Mg 1.2         8 wt%ox Manheim et al. 1980 Nuevo Laredo Eucrite 12 Mg 34             Mittlefehldt 2004 Warren & Jerde 1987 Ocean Island Peridotite 12 Mg 16.05           wt% Pearson et al. 2004 Sen 1988 Ocean Island Peridotite 12 Mg 33.6           wt% Pearson et al. 2004 Sen 1988 Ocean Island Peridotite 12 Mg 33.4           wt% Pearson et al. 2004 Sen 1988 Ocean Island Peridotite 12 Mg 19.03           wt% Pearson et al. 2004 Sen 1988 Ocean Island Peridotite 12 Mg 17.04           wt% Pearson et al. 2004 Sen 1988 Ocean Island Peridotite 12 Mg 16.61           wt% Pearson et al. 2004 Sen 1988 Oceanic Crust 12 Mg 49600           ppm Wedepohl & Hartmann 1994 Wedepohl 1981 Oceans Surface water 12 Mg 1.284           g/kg Quinby-Hunt & Turekian 1983 Carpenter & Mannella 1973 ODP Site 735 12 Mg 8.837 8.34       22 wt%ox Hart et al. 1999 ODP Site 735   Mg# 64.54 66.15       22   Hart et al. 1999 ODP/DSDP Site 417/418 12 Mg 6.66           wt%ox Staudigel et al. 1996 Olivine Chondrules 12 Mg 31.8     23.5 36.6 3 wt%ox Martin & Mason 1974 Orangeite 12 Mg 22.1         114 wt% Farmer 2004 Mitchell 1995 Orgueil Chondrite 12 Mg 105             Grossman et al. 1985 Orgueil Chondrite 12 Mg 9.55         10   Anders & Ebihara 1982 Orgueil Chondrite 12 Mg 9.53         11 wt% Anders & Grevesse 1989 Orinoco River Particulates 12 Mg 5800           µg/g Martin & Meybeck 1979 Paleozoic Orogens 12 Mg 6           wt%ox Rudnick & Fountain 1995 Paleozoic Orogens 12 Mg 3.9           wt%ox Rudnick & Fountain 1995 Paleozoic Upper Crust 12 Mg 2.24           wt%ox Condie 1993 Paleozoic Upper Crust 12 Mg 1.96           wt%ox Condie 1993 Pallasite Olivine   Si/Mg 0.06             Grossman & Wasson 1985 Scott 1977 Parana River Particulates 12 Mg 10900           µg/g Martin & Meybeck 1979 Pelagic Clay 12 Mg 3.64         8 wt%ox Plank & Langmuir 1998 Pelagic Clay 12 Mg 3.1         3 wt%ox Plank & Langmuir 1998 Pelagic Clay 12 Mg 3.13           wt%ox Elliot et al. 1997 Pelagic Clay 12 Mg 2.22         55 wt%ox Plank & Langmuir 1998 Pelagic Clay 12 Mg 3.07         6 wt%ox Plank & Langmuir 1998 Pelagic Clay 12 Mg 2.33         56 wt%ox Plank & Langmuir 1998 Pelagic Clay 12 Mg 3.13         6 wt%ox Plank & Langmuir 1998 Pelagic Clay 12 Mg 2.33         56 wt%ox Plank & Langmuir 1998 Pelites 12 Mg 2.56         69 wt%ox Gao et al. 1998 Pelites 12 Mg 1.97         1341 wt%ox Gao et al. 1998 Pena Blanca Spring Aubrite 12 Mg 238.4             Mittlefehldt 2004 Wolf et al. 1983 Lodders et al. 1993 Peninsular Range Batholith 12 Mg 0.48           wt% Kemp & Hawkesworth 2004 Sylvester 1995 Peninsular Range Batholith   Mg# 34.1             Kemp & Hawkesworth 2004 Sylvester 1995 Peridotites 12 Mg 31.24         103 wt%ox Le Maitre 1976 Periodotite Massifs 12 Mg 38           wt% Walter 2004 Bonatti et al. 1986 Periodotite Massifs   Mg# 88.7             Walter 2004 Bonatti et al. 1986 Periodotite Massifs   MgO/SiO2 0.85             Walter 2004 Bonatti et al. 1986 Periodotite Section in Ophiolites 12 Mg   40.2         wt%ox McDonough 1991 Periodotite Section in Ophiolites   Mg#   89.9           McDonough 1991 Peru Trench 12 Mg 1.81           wt%ox Plank & Langmuir 1998 Petersburg Eucrites 12 Mg 67.78             Mittlefehldt 2004 Mason et al. 1979 Buchanan & Reid 1996 Phanerozoic Flood Basalts 12 Mg 4.3         1 wt% Farmer 2004 Peate 1997 Phanerozoic Flood Basalts 12 Mg 4.2         36 wt% Farmer 2004 Hooper & Hawkesworth 1993 Phanerozoic Flood Basalts 12 Mg 6.8         9 wt% Farmer 2004 Wooden et al. 1993 Phanerozoic Flood Basalts 12 Mg 5.7         18 wt% Farmer 2004 Lightfoot et al. 1990 Phanerozoic Flood Basalts 12 Mg 13         7 wt% Farmer 2004 Wooden et al. 1993 Phanerozoic Flood Basalts 12 Mg 8         1 wt% Farmer 2004 Peate 1997 Phanerozoic Flood Basalts 12 Mg 6.9         6 wt% Farmer 2004 Lightfoot et al. 1990 Phanerozoic Flood Basalts 12 Mg 6.1         1 wt% Farmer 2004 Peate 1997 Philip Trench 12 Mg 3.19           wt%ox Plank & Langmuir 1998 Phonolites 12 Mg 1.07         320 wt%ox Le Maitre 1976 Phosphoria Formation 12 Mg 0.3         61 wt%ox Gulbrandsen 1966 Post-Archean Terrrains 12 Mg 2.1           wt%ox Shaw et al. 1986 Eade & Fahrig 1971 Precambrian Canadian Shield 12 Mg 2.24           wt%ox Shaw et al. 1986 Precambrian Granulites 12 Mg 4.06         88 wt%ox Shaw et al. 1986 Primitive Mantle 12 Mg 89.3             Workman & Hart 2005 McDonough & Sun 1995 Primitive Mantle 12 Mg 38.3           wt% Palme & O'Neill 2004 Jagoutz et al. 1979 Primitive Mantle 12 Mg 36.8           wt% Palme & O'Neill 2004 Wanke et al. 1984 Primitive Mantle 12 Mg 37.77           wt% Palme & O'Neill 2004 Allegre et al. 1995 Primitive Mantle 12 Mg 35.5           wt% Palme & O'Neill 2004 Palme & Nickel 1985 Primitive Mantle 12 Mg 37.8           wt% Palme & O'Neill 2004 Hart & Zindler 1986 Primitive Mantle 12 Mg 37.77           wt% Walter 2004 Allegre et al. 1995 Primitive Mantle 12 Mg 36.78           wt% Walter 2004 Palme & O'Neill 2004 Primitive Mantle 12 Mg 37.8           wt% Palme & O'Neill 2004 McDonough & Sun 1995 Primitive Mantle 12 Mg 38.3           wt% Pearson et al. 2004 Jagoutz et al. 1979 Primitive Mantle 12 Mg 35.5           wt% Pearson et al. 2004 Palme & Nickel 1985 Primitive Mantle 12 Mg 38.1           wt% Palme & O'Neill 2004 Ringwood 1979 Primitive Mantle 12 Mg 37.78           wt% Pearson et al. 2004 Hart & Zindler 1986 Primitive Mantle 12 Mg 37.8           wt% Pearson et al. 2004 McDonough & Sun 1995 Primitive Mantle 12 Mg 22.17           wt% Palme & O'Neill 2004 Primitive Mantle 12 Mg 37.8           wt%ox McDonough & Sun 1995 Primitive Mantle 12 Mg 229060           ppm Wedepohl & Hartmann 1994 Wedepohl 1991 Primitive Mantle 12 Mg   88.8           McDonough 1991 McDonough & Frey 1989 Sun 1982 Primitive Mantle 12 Mg 38.1           wt%ox McDonough & Frey 1989 Ringwood 1979 Primitive Mantle 12 Mg 89.5           wt%ox McDonough & Frey 1989 Ringwood 1979 Primitive Mantle 12 Mg 38           wt%ox McDonough & Frey 1989 Sun 1982 Primitive Mantle 12 Mg 89.2             McDonough & Frey 1989 Sun 1982 Primitive Mantle 12 Mg 36.85           wt%ox McDonough & Frey 1989 Wanke et al. 1984 Primitive Mantle 12 Mg 89.6             McDonough & Frey 1989 Wanke et al. 1984 Primitive Mantle 12 Mg 37.78           wt%ox McDonough & Frey 1989 Hart & Zindler 1986 Primitive Mantle 12 Mg 89.9             McDonough & Frey 1989 Hart & Zindler 1986 Primitive Mantle 12 Mg 34.02           wt%ox McDonough & Frey 1989 Anderson 1983 Primitive Mantle 12 Mg 88.5             McDonough & Frey 1989 Anderson 1983 Primitive Mantle 12 Mg 35.5           wt%ox McDonough & Frey 1989 Palme & Nickel 1985 Primitive Mantle 12 Mg 89.1             McDonough & Frey 1989 Palme & Nickel 1985 Primitive Mantle 12 Mg 37.2           wt%ox McDonough 1990 McDonough & Frey 1989 Sun 1982 Primitive Mantle 12 Mg 22.5           wt% McDonough 1990 McDonough & Frey 1989 Sun 1982 Primitive Mantle 12 Mg 37.2           wt%ox McDonough & Frey 1989 McDonough & Sun 1989 Primitive Mantle 12 Mg 89.2             McDonough & Frey 1989 McDonough & Sun 1989 Primitive Mantle 12 Mg 88.8             McDonough 1990 McDonough & Frey 1989 Sun 1982 Primitive Mantle 12 Mg   37.2         wt%ox McDonough 1991 McDonough & Frey 1989 Sun 1982 Primitive Mantle 12 Mg 38.8           wt%ox McDonough & Sun 1995 Green et al. 1979 Primitive Mantle 12 Mg 35.15           wt%ox McDonough & Sun 1995 Taylor & McLennan 1985 Primitive Mantle 12 Mg 88.7             McDonough & Frey 1989 Taylor & McLennan 1985 Primitive Mantle 12 Mg 35.1           wt%ox McDonough & Frey 1989 Taylor & McLennan 1985 Primitive Mantle 12 Mg 37.77           wt%ox Allegre et al. 1995 Primitive Mantle 12 Mg 38.3           wt%ox McDonough & Sun 1995 Jagoutz et al. 1979 Primitive Mantle 12 Mg 37.78           wt%ox Hofmann 1988 Hart & Zindler 1986 Primitive Mantle 12 Mg 37.71           wt% Workman & Hart 2005 McDonough & Sun 1995 Primitive Mantle   Mg# 89.8             Walter 2004 Allegre et al. 1995 Primitive Mantle   Mg# 0.89             Pearson et al. 2004 McDonough & Sun 1995 Primitive Mantle   Mg# 0.89             Pearson et al. 2004 Palme & Nickel 1985 Primitive Mantle   Mg# 0.9             Pearson et al. 2004 Jagoutz et al. 1979 Primitive Mantle   Mg# 0.9             Pearson et al. 2004 Hart & Zindler 1986 Primitive Mantle   Mg# 89             Walter 2004 Palme & O'Neill 2004 Primitive Mantle   Mg/Al 9.7             McDonough & Sun 1995 Primitive Mantle   Mg/Si 1.09             Pearson et al. 2004 McDonough & Sun 1995 Primitive Mantle   Mg/Si 1.06             Pearson et al. 2004 Hart & Zindler 1986 Primitive Mantle   Mg/Si 0.99             Pearson et al. 2004 Palme & Nickel 1985 Primitive Mantle   Mg/Si 1.09             Pearson et al. 2004 Jagoutz et al. 1979 Primitive Mantle   MgO/Ni 196             McDonough 1990 McDonough & Frey 1989 Sun & McDonough 1989 Sun 1982 Primitive Mantle   MgO/Ni 197             McDonough 1991 Primitive Mantle   MgO/SiO2 0.82             Walter 2004 Allegre et al. 1995 Primitive Mantle   MgO/SiO2 0.81             Walter 2004 Palme & O'Neill 2004 Protolith Gabbros at ODP Site 735 12 Mg 8.83         8 wt%ox Hart et al. 1999 Protolith Gabbros at ODP Site 735   Mg# 62.9         8   Hart et al. 1999 Pyrolites 12 Mg 38.1           wt%ox Allegre et al. 1995 Ringwood 1979 Pyrolites 12 Mg 38.1           wt% Walter 2004 Ringwood 1979 Pyrolites 12 Mg 37.8           wt% Walter 2004 McDougall & Sun 1995 Pyrolites   Mg# 89.2             Walter 2004 McDonough & Sun 1995 Pyrolites   Mg# 89.3             Walter 2004 Ringwood 1979 Pyrolites   MgO/SiO2 0.85             Walter 2004 Ringwood 1979 Pyrolites   MgO/SiO2 0.84             Walter 2004 McDougall & Sun 1995 Pyroxenites 12 Mg 16.04         106 wt%ox Le Maitre 1976 Qingzhen Enstatite Chondrite 12 Mg 125             Grossman et al. 1985 Radiolarian Clay 12 Mg 3.37         8 wt%ox Plank & Langmuir 1998 Radiolarian Clay 12 Mg 3.5         11 wt%ox Plank & Langmuir 1998 Radiolarian Clay 12 Mg 2.24         2 wt%ox Plank & Langmuir 1998 Radiolarian Clay 12 Mg 3.37         8 wt%ox Plank & Langmuir 1998 Radiolarites 12 Mg 0.74         4 wt%ox Plank & Langmuir 1998 Radiolarites 12 Mg 0.47           wt%ox Elliot et al. 1997 Radiolarites 12 Mg 1.16         17 wt%ox Plank & Langmuir 1998 REE Fractionated CAI Inclusions 12 Mg 12.8     10.1 16.6 5 wt%ox Martin & Mason 1974 REE Unfractionated CAI Inclusions 12 Mg 14.5     13.6 15.4 2 wt%ox Martin & Mason 1974 Retort Phosphatic Shale Member 12 Mg 0.19         20 wt%ox Gulbrandsen 1966 Rhyodacites 12 Mg 2.09         63 wt%ox Le Maitre 1976 Rhyolites 12 Mg 0.39         554 wt%ox Le Maitre 1976 Rifted Continental Margins 12 Mg 7.7           wt%ox Rudnick & Fountain 1995 Rifted Continental Margins 12 Mg 4.3           wt%ox Rudnick & Fountain 1995 River Particulates 12 Mg 11800           µg/g Martin & Meybeck 1979 Rivers 12 Mg 170             Edmond et al. 1979 Rivers 12 Mg 4100           ppb Li 1982 Ryuku Trench 12 Mg 3.17           wt%ox Plank & Langmuir 1998 Sandstones 12 Mg 0.76           wt%ox Condie 1993 Sandstones 12 Mg 0.55           wt%ox Condie 1993 Sandstones 12 Mg 0.45           wt%ox Condie 1993 Scotia Island Basalt 12 Mg 7.74         41 wt% Kelemen et al. 2004 Scotia Island Basalt   Mg# 63.06         41   Kelemen et al. 2004 Seawater 12 Mg 53             von Glasow & Crutzen 2004 Andrews et al. 1996 Seawater 12 Mg 1.28           g/kg Quinby-Hunt & Turekian 1983 Carpenter & Mannella 1973 Seawater 12 Mg 53000             Broeker & Peng 1982 Seawater 12 Mg 1290000           ppb Li 1982 Seawater 12 Mg 1290000000             Li 1991 Whitfield & Turner 1987 Seawater 12 Mg 52.6             Bowers & Taylor 1985 Seawater 12 Mg 53.2             Bruland 1983 Sediments 12 Mg 3.3           wt%ox Wedepohl 1995 Ronov & Yaroshevskiy 1969 Serra De Mage Eucrite 12 Mg 68.44             Mittlefehldt 2004 Barrat et al. 2000 McCarthy et al. 1973 Shales 12 Mg 3.88           wt%ox Condie 1993 Shales 12 Mg 2.2           wt%ox Condie 1993 Shales 12 Mg 2.3           wt%ox Condie 1993 Shalka Diogenite 12 Mg 155.5             Mittlefehldt 2004 McCarthy et al. 1972 Mittlefehldt 1994 Shallowater Aubrite 12 Mg 201.5             Mittlefehldt 2004 Easton 1985 Keil et al. 1989 Silicate Earth 12 Mg 22.8           wt% McDonough 1998 Silicate Earth 12 Mg 37.8           wt%ox McDonough & Sun 1995 Silicate Earth 12 Mg 35.15           wt%ox McDonough & Sun 1995 Taylor & McLennan 1985 Silicate Earth 12 Mg 22.8           wt% McDonough 2004 Silicate Earth 12 Mg 38.8           wt%ox McDonough & Sun 1995 Green et al. 1979 Silicate Earth 12 Mg 38.3           wt%ox McDonough & Sun 1995 Jagoutz et al. 1979 Silicate Earth   Mg/Al 9.7             McDonough & Sun 1995 Silicic Precambrian Granulites 12 Mg 1.71         23 wt%ox Shaw et al. 1986 Silicified Limestone 12 Mg 0.65           wt%ox Plank & Langmuir 1998 Silty Mud 12 Mg 2.63         16 wt%ox Plank & Langmuir 1998 Sioux County Eucrite 12 Mg 42.9             Mittlefehldt 2004 Barrat et al. 2000 McCarthy et al. 1973 Solar System 12 Mg 3.7           wt%ox Wedepohl 1995 Le Maitre 1976 Solar System 12 Mg 1.02             Clayton 2004 Palme & Jones 2004 Solar System 12 Mg 1060000             Anders & Ebihara 1982 Cameron 1982 Solid Earth 12 Mg 15.4           wt% McDonough 1998 Solid Earth 12 Mg 15.4           wt% McDonough 2004 Solid Earth 12 Mg 15.866           wt% Allegre et al. 1995 Solid Earth 12 Mg 15.4           wt% McDonough 2004 Solid Earth 12 Mg 15.4           wt% McDonough & Sun 1995 Solid Earth   Mg/Al       9.7 9.7     McDonough & Sun 1995 Solid Earth   Mg/Si 0.97             McDonough & Sun 1995 South African Garnet Peridotites 12 Mg 44.86           wt%ox McDonough 1990 Boyd & Mertzman 1987 South African Garnet Peridotites 12 Mg 92             McDonough 1990 Boyd & Mertzman 1987 South Antilles Trench 12 Mg 2.29           wt%ox Plank & Langmuir 1998 South Margin of North China Craton 12 Mg 3.21           wt%ox Gao et al. 1998 South Margin of North China Craton 12 Mg 2.86           wt%ox Gao et al. 1998 South Margin of North China Craton 12 Mg 3.36           wt%ox Gao et al. 1998 South Margin of North China Craton 12 Mg 3.39           wt%ox Gao et al. 1998 South Margin of North China Craton 12 Mg 3.77           wt%ox Gao et al. 1998 South Qinling Belt in China 12 Mg 2.64           wt%ox Gao et al. 1998 South Qinling Belt in China 12 Mg 2.88           wt%ox Gao et al. 1998 South Qinling Belt in China 12 Mg 3.4           wt%ox Gao et al. 1998 South Qinling Belt in China 12 Mg 3.2           wt%ox Gao et al. 1998 South Sandwich Trench 12 Mg 1.73           wt%ox Plank & Langmuir 1998 Spinel Peridotites 12 Mg   41.2         wt%ox McDonough 1991 Maaloe & Aoki 1975 Jordan 1979 Boyd 1989 McDonough 1990 Spinel Peridotites 12 Mg   90           McDonough 1991 Maaloe & Aoki 1975 Jordan 1979 Boyd 1989 McDonough 1990 Spinel Peridotites 12 Mg 42.25           wt%ox McDonough 1990 Maaloe & Aoki 1975 Spinel Peridotites 12 Mg 90.1             McDonough 1990 Maaloe & Aoki 1975 St. Lawrence River Particulates 12 Mg 24500           µg/g Martin & Meybeck 1979 Stannern Eucrite 12 Mg 42             Mittlefehldt 2004 Barrat et al. 2000 McCarthy et al. 1973 Sumatra Trench 12 Mg 2.18           wt%ox Plank & Langmuir 1998 Syenites 12 Mg 1.87         436 wt%ox Le Maitre 1976 Tephrites 12 Mg 4.7         84 wt%ox Le Maitre 1976 Tholeiites 12 Mg 7.3         190 wt%ox Le Maitre 1976 Tinguaites 12 Mg 1.07         83 wt%ox Le Maitre 1976 Tonalites 12 Mg 2.6           wt%ox Wedepohl 1995 Wedepohl 1991 Arth et al. 1978 Ermanovics et al. 1979 Tarney et al. 1979 Schermerhorn 1987 Paradis et al. 1988 Pohl & Emmermann 1991 Tepper et al. 1993 Tonalites 12 Mg 2.6           wt%ox Wedepohl 1995 Tonalites 12 Mg 2.8         83 wt%ox Le Maitre 1976 Tonalites-Trondhjemites-Granodiorites 12 Mg 1.6           wt%ox Condie 1993 Tonalites-Trondhjemites-Granodiorites 12 Mg 1.1           wt%ox Condie 1993 Tonalites-Trondhjemites-Granodiorites 12 Mg 1.7           wt%ox Condie 1993 Tonalites-Trondhjemites-Granodiorites 12 Mg 2.13         553 wt%ox Gao et al. 1998 Tonalites-Trondhjemites-Granodiorites 12 Mg 1.52         641 wt%ox Gao et al. 1998 Tonalites-Trondhjemites-Granodiorites 12 Mg 1.18         355 wt% Kemp & Hawkesworth 2004 Martin 1995 Tonalites-Trondhjemites-Granodiorites   Mg# 42.8         355   Kemp & Hawkesworth 2004 Martin 1995 Tonga Trench 12 Mg 2.69           wt%ox Plank & Langmuir 1998 Tongan Basalts 12 Mg 9.39         70 wt% Kelemen et al. 2004 Tongan Basalts   Mg# 65.81         70   Kelemen et al. 2004 Trachyandesites 12 Mg 2.57         223 wt%ox Le Maitre 1976 Trachybasalts 12 Mg 5.17         155 wt%ox Le Maitre 1976 Trachytes 12 Mg 0.93         483 wt%ox Le Maitre 1976 Transitional Mid-Ocean Ridge Basalts 12 Mg 7.39           wt% Klein 2004 Lehnert 2000 Turbidites 12 Mg 3.01         4 wt%ox Plank & Langmuir 1998 Turbidites 12 Mg 2.09         4 wt%ox Plank & Langmuir 1998 Type F Aggregates 12 Mg 11.3           wt%ox Bischoff & Keil 1983 Wark 1979 Ultrabasic Precambrian Granulites 12 Mg 15.53         14 wt%ox Shaw et al. 1986 Upper Continental Crust 12 Mg 4.59           wt% Rudnick & Gao 2004 Clarke 1889 Upper Continental Crust 12 Mg 2.3           wt%ox Weaver & Tarney 1984 Taylor & McLennan 1981 Upper Continental Crust 12 Mg 2.3           wt%ox Shaw et al. 1986 Taylor & McLennan 1981 Upper Continental Crust 12 Mg 2.62           wt% Rudnick & Gao 2004 Gao et al. 1998 Upper Continental Crust 12 Mg 2.46           wt%ox Condie 1993 Upper Continental Crust 12 Mg 3.01           wt% Rudnick & Gao 2004 Ronov & Yaroshevskiy 1976 Upper Continental Crust 12 Mg 2.42           wt%ox Condie 1993 Upper Continental Crust 12 Mg 2.2           wt% Rudnick & Gao 2004 Fahrig & Eade 1968 Upper Continental Crust 12 Mg 6.66           wt%ox Hart et al. 1999 Staudigel et al. 1995 Smith et al. 1995 Hart & Staudigel 1989 Staudigel et al. 1989 Upper Continental Crust 12 Mg 2.3           wt% Rudnick & Gao 2004 Shaw et al. 1967 Upper Continental Crust 12 Mg 3.47           wt% Rudnick & Gao 2004 Goldschmidt 1933 Upper Continental Crust 12 Mg 2.1           wt% Rudnick & Gao 2004 Borodin 1998 Upper Continental Crust 12 Mg 2.48           wt% Kemp & Hawkesworth 2004 Rudnick & Gao 2004 Upper Continental Crust 12 Mg 1.33           wt% Taylor & McLennan 1995 Upper Continental Crust 12 Mg 13510           ppm Wedepohl 1995 Upper Continental Crust 12 Mg 2.3           wt% Rudnick & Gao 2004 Wedepohl 1995 Upper Continental Crust 12 Mg 2.45           wt% Rudnick & Gao 2004 Condie 1993 Upper Continental Crust 12 Mg 2.2           wt% Rudnick & Gao 2004 Taylor & McLennan 1985 Upper Continental Crust 12 Mg 3.56           wt% Rudnick & Gao 2004 Clarke & Washington 1924 Upper Continental Crust 12 Mg 2.4           wt%ox Wedepohl 1995 Upper Continental Crust 12 Mg 56.82             Hart et al. 1999 Staudigel et al. 1995 Smith et al. 1995 Hart & Staudigel 1989 Staudigel et al. 1989 Upper Continental Crust 12 Mg 2.48           wt% Rudnick & Gao 2004 Upper Continental Crust   Mg# 46.7             Rudnick & Gao 2004 Upper Continental Crust   Mg# 50.1             Rudnick & Gao 2004 Wedepohl 1995 Upper Continental Crust   Mg# 46.7             Rudnick & Gao 2004 Gao et al. 1998 Upper Continental Crust   Mg# 47.9             Rudnick & Gao 2004 Condie 1993 Upper Continental Crust   Mg# 47.4             Rudnick & Gao 2004 Fahrig & Eade 1968 Upper Continental Crust   Mg# 48.7             Rudnick & Gao 2004 Goldschmidt 1933 Upper Continental Crust   Mg# 46.6             Rudnick & Gao 2004 Taylor & McLennan 1985 Upper Continental Crust   Mg# 48.1             Rudnick & Gao 2004 Ronov & Yaroshevskiy 1976 Upper Continental Crust   Mg# 46.7             Kemp & Hawkesworth 2004 Rudnick & Gao 2004 Upper Continental Crust   Mg# 53             Rudnick & Gao 2004 Clarke & Washington 1924 Upper Continental Crust   Mg# 50.1             Rudnick & Gao 2004 Shaw et al. 1967 Upper Continental Crust   Mg# 46.9             Rudnick & Gao 2004 Goldschmidt 1933 Upper Continental Crust   Mg# 4             Rudnick & Gao 2004 Borodin 1998 Ureilite Primitive Achondrites 12 Mg       36.7 39.2   wt%ox Boynton et al. 1976 Mason 1971 Ureilite Rock Metal   Si/Mg 0.9         5   Janssens et al. 1987 Ureilite Vein Metal   Si/Mg 2.3         5   Janssens et al. 1987 Vanuatu Trench 12 Mg 2.84           wt%ox Plank & Langmuir 1998 Venus Mantle 12 Mg 33.3           wt% Fegley, Jr. 2004 Lodders & Fegley 1998 Venus Mantle 12 Mg 37.6           wt% Fegley, Jr. 2004 Lodders & Fegley 1998 Venus Mantle 12 Mg 35.5           wt% Fegley, Jr. 2004 Morgan & Anders 1980 Lodders & Fegley 1998 Venus N-MORB 12 Mg 9.67           wt% Fegley, Jr. 2004 Wilson 1989 Veramin Mesosiderite 12 Mg 136.3             Mittlefehldt 2004 Mittlefehldt in press Powell 1971 Volcanoclastic Sediment 12 Mg 2.93         15 wt%ox Plank & Langmuir 1998 Volcanoclastic Turbidites 12 Mg 8.72         43 wt%ox Plank & Langmuir 1998 Volcanoclastic Turbidites 12 Mg 6.25         13 wt%ox Plank & Langmuir 1998 Volcanoclastic Turbidites 12 Mg 5.31           wt%ox Elliot et al. 1997 Watson IIE Iron 12 Mg 189.4             Mittlefehldt 2004 Olsen et al. 1994 Websterites 12 Mg 19.15         199 wt%ox Le Maitre 1976 Winonaite Pontlyfni 12 Mg 119.2             Mittlefehldt 2004 Graham et al. 1977 Davis et al. 1977 Winonaite Tierra Blanca 12 Mg 147             Mittlefehldt 2004 Kallemeyn & Wasson 1985 Jarosweich 1990 Xenolites 12 Mg 38.3           wt% Walter 2004 Jagoutz et al. 1979 Xenolites   Mg# 89.6             Walter 2004 Jagoutz et al. 1979 Xenolites   MgO/SiO2 0.85             Walter 2004 Jagoutz et al. 1979 Y-74450 Eucrites 12 Mg 45.7             Mittlefehldt 2004 Wanke et al. 1977 Y-791491 Lodranite 12 Mg 212             Mittlefehldt 2004 Weigel et al. 1999 Yangtze Craton 12 Mg 2.77           wt%ox Gao et al. 1998 Yangtze Craton 12 Mg 2.7           wt%ox Gao et al. 1998 Yangtze Craton 12 Mg 2.32           wt%ox Gao et al. 1998 Yangtze Craton 12 Mg 3.82           wt%ox Gao et al. 1998 Yangtze Craton 12 Mg 3.42           wt%ox Gao et al. 1998 Zeolite Clay 12 Mg 2.02         3 wt%ox Plank & Langmuir 1998