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)
Amazon River Particulates 5 B 68           µg/g Martin & Meybeck 1979
Amphibolites 5 B 9.2         189 ppm Gao et al. 1998
Arenaceous Rocks 5 B 38         2754 ppm Gao et al. 1998
Arenaceous Rocks 5 B 29         121 ppm Gao et al. 1998
Atmosphere 5 B 2.5e-10             Smith et al. 1995 Spivack 1986
Bambui Group 5 B 10         14 ppm Altschuller 1980 Cathcart 1974
Basic Precambrian Granulites 5 B 15         25 ppm Shaw et al. 1986
Bone Valley Formation 5 B 18         8 ppm Altschuller 1980
Brown Rock 5 B 14         3 ppm Altschuller 1980
Carbonates 5 B 21         2038 ppm Gao et al. 1998
Carbonates 5 B 7.9         50 ppm Gao et al. 1998
Central East China Craton 5 B 23           ppm Gao et al. 1998
Central East China Craton 5 B 7.6           ppm Gao et al. 1998
Central East China Craton 5 B 20           ppm Gao et al. 1998
Central East China Craton 5 B 8           ppm Gao et al. 1998
Central East China Craton 5 B 17           ppm Gao et al. 1998
Central East China Craton 5 B 18           ppm Gao et al. 1998
Central East China Craton 5 B 28           ppm Gao et al. 1998
Central East China Craton 5 B 18           ppm Gao et al. 1998
Central East China Craton 5 B 9.6           ppm Gao et al. 1998
Central East China Craton   La/B 3.8             Gao et al. 1998
Central East China Craton   La/B 3.7             Gao et al. 1998
Central East China Craton   La/B 3.9             Gao et al. 1998
Central East China Craton   La/B 1.8             Gao et al. 1998
Central East China Craton   La/B 1.7             Gao et al. 1998
Central East China Craton   La/B 1.2             Gao et al. 1998
Central East China Craton   La/B 1.8             Gao et al. 1998
Chassigny Meteorite 5 B 63           ppm McSween, Jr. 2004 Lodders 1998
CI Chondrites 5 B 0.9           ppm McDonough & Sun 1995
CI Chondrites 5 B 870   87     1 ppb Anders & Grevesse 1989
CI Chondrites 5 B 0.27           ppm McDonough & Sun 1995 Palme 1988
CI Chondrites 5 B 1.2           ppm McDonough & Sun 1995 Wasson & Kallemeyn 1988
CI Chondrites 5 B 2.77   0.04         Palme & Jones 2004
CI Chondrites 5 B 0.69   0.0897       ppm Palme & Jones 2004 Palme & Beer 1993
Zhai & Shaw 1994
CI Chondrites 5 B 0.69   0.0897       ppm Palme & O'Neill 2004 Palme & Jones 2004
CI Chondrites 5 B 0.87           ppm Palme & Jones 2004 Anders & Grevesse 1989
Congo River Particulates 5 B 43           µg/g Martin & Meybeck 1979
Continental Crust 5 B 10           ppm Smith et al. 1995 Harder 1978

Continental Crust 5 B 9.3           ppm Shaw et al. 1986
Continental Crust 5 B 18           µg/g Rudnick & Gao 2004 Gao et al. 1998a
Continental Crust 5 B 10           ppm Taylor & McLennan 1995
Continental Crust 5 B 11           ppm Wedepohl 1995
Continental Crust 5 B 11           µg/g Rudnick & Gao 2004 Rudnick & Fountain 1995
Continental Crust 5 B 9.3           µg/g Rudnick & Gao 2004 Shaw et al. 1986
Continental Crust 5 B 11           µg/g Rudnick & Gao 2004
Continental Crust 5 B 10           µg/g Rudnick & Gao 2004 Taylor & McLennan 1985
Taylor & McLennan 1995
Continental Crust 5 B 10           µg/g Rudnick & Gao 2004 Taylor 1964
Continental Crust 5 B 1.5           ppm Palme & O'Neill 2004 Rudnick & Gao 2004
Continental Crust 5 B 11           µg/g Rudnick & Gao 2004 Wedepohl 1995
Continental Crust 5 d11B -7             Smith et al. 1995 Harder 1978

Core 5 B 0           µg/g McDonough 1998
Cratonic Xenoliths 5 B 0.324           ppm Pearson et al. 2004
Cratonic Xenoliths 5 B 0.364           ppm Pearson et al. 2004
Cratonic Xenoliths 5 B 0.25           ppm Pearson et al. 2004
Cratonic Xenoliths 5 B 3.59           ppm Pearson et al. 2004
Depleted Mantle 5 B 0.06   0.0546       ppm Salters & Stracke 2004
Dike Section Oceanic Crust 5 B 0.006             Smith et al. 1995
Dike Section Oceanic Crust 5 B 6.1           ppm Smith et al. 1995
Dike Section Oceanic Crust 5 d11B 5.9             Smith et al. 1995
Dike Section Oceanic Crust 5 d11B 3.7             Lodders & Fegley 1998
Diorite 5 B 6.6         260 ppm Gao et al. 1998
East China Craton 5 B 18           ppm Gao et al. 1998
Extrusive Section Oceanic Crust 5 B 0.013             Smith et al. 1995
Extrusive Section Oceanic Crust 5 B 26           ppm Smith et al. 1995
Extrusive Section Oceanic Crust   d11B 0.8             Smith et al. 1995
Felsic Granulites 5 B 2.8         137 ppm Gao et al. 1998
Felsic Volcanics 5 B 11         972 ppm Gao et al. 1998
Gabbro Section Oceanic Crust 5 B 26           ppm Lodders & Fegley 1998
Gabbro Section Oceanic Crust 5 B 0.007             Smith et al. 1995
Gabbro Section Oceanic Crust 5 B 2.7           ppm Smith et al. 1995
Gabbro Section Oceanic Crust 5 d11B 0.8             Lodders & Fegley 1998
Gabbro Section Oceanic Crust 5 d11B 5.7             Smith et al. 1995
Garonne River Particulates 5 B 120           µg/g Martin & Meybeck 1979
Granites 5 B 3         1226 ppm Gao et al. 1998
Granites 5 B 6.6         402 ppm Gao et al. 1998
Greywackes 5 B 37           ppm Wedepohl 1995
Interior North China Craton 5 B 29           ppm Gao et al. 1998
Interior North China Craton 5 B 31           ppm Gao et al. 1998
Interior North China Craton 5 B 11           ppm Gao et al. 1998
Interior North China Craton 5 B 17           ppm Gao et al. 1998
Interior North China Craton 5 B 4.7           ppm Gao et al. 1998
Intermediate Granulites 5 B 2.4         136 ppm Gao et al. 1998
Intermediate Precambrian Granulites 5 B 21         26 ppm Shaw et al. 1986
Intra Stellar Medium 5 B 1.95   0.4875         Palme & Jones 2004 Savage & Sembach 1996
La Caja Formation 5 B 3.8         8 ppm Altschuller 1980 Rogers et al. 1956
Lower Continental Crust 5 B 8.3           ppm Taylor & McLennan 1995
Lower Continental Crust 5 B 9.3           ppm Shaw et al. 1986
Lower Continental Crust 5 B 2           µg/g Rudnick & Gao 2004 Leeman et al. 1992
Lower Continental Crust 5 B 7.6           µg/g Rudnick & Gao 2004 Gao et al. 1998a
Lower Continental Crust 5 B 8.3           µg/g Rudnick & Gao 2004 Taylor & McLennan 1985
Taylor & McLennan 1995
Lower Continental Crust 5 B 5           µg/g Rudnick & Gao 2004 Wedepohl 1995
Lower Continental Crust 5 B 5           ppm Wedepohl 1995
Lower Continental Crust 5 B 3.2           µg/g Rudnick & Gao 2004 Shaw et al. 1994
MacKenzie River Particulates 5 B 49           µg/g Martin & Meybeck 1979
Mafic Granulites 5 B 3.79         128 ppm Gao et al. 1998
Mafic Intrusions 5 B 10         308 ppm Gao et al. 1998
Manganese Nodules 5 B 300           ppm Li 1991 Baturin 1988
Mantle 5 B 0.25           ppm Smith et al. 1995 Spivack 1986
Mantle 5 d11B -3   1         Smith et al. 1995 Spivack 1986
Marine Organisms 5 B 120           ppm Li 1991 Bowen 1979
Marine Pelagic Clay 5 B 230           ppm Li 1991 Turekian & Wedepohl 1961
Marine Pelagic Clay 5 B 230           ppm Li 1982
Marine Phosphorites 5 B 16 13   0 35 11 ppm Altschuller 1980
Marine Sediments 5 B 0.21             Smith et al. 1995
Marine Sediments 5 d11B -1.3   4         Smith et al. 1995
Marine Shales 5 B 100           ppm Altschuller 1980 Turekian & Wedepohl 1961
Marine Shales 5 B 100           ppm Li 1991 Turekian & Wedepohl 1961
Mature Oceanic Crust 5 B 5.2           ppm Smith et al. 1995
Mature Oceanic Crust 5 B 0.026             Smith et al. 1995
Mature Oceanic Crust 5 d11B 3.7             Smith et al. 1995
Mavic Volcanics 5 B 19         632 ppm Gao et al. 1998
Mead Peak Phosphatic Shale Member 5 B         0.005 41 ppm Gulbrandsen 1966
Mekong River Particulates 5 B 87           µg/g Martin & Meybeck 1979
Metafelsic Volcanics 5 B 5.4         41 ppm Gao et al. 1998
Middle Continental Crust 5 B 3.2           µg/g Rudnick & Gao 2004 Shaw et al. 1994
Middle Continental Crust 5 B 17           µg/g Rudnick & Gao 2004 Gao et al. 1998
Middle Continental Crust 5 B 17           µg/g Rudnick & Gao 2004
Mishash Formation 5 B 35         3 ppm Altschuller 1980 Mazor 1963
Monterey Formation 5 B 13         5 ppm Altschuller 1980
N-MORB 5 B 0.5           ppm Hart et al. 1999 Hofmann 1988
Ito et al. 1987
Smith et al. 1995
Hauri & Hart 1997
N-MORB   d11B -3             Hart et al. 1999 Hofmann 1988
Ito et al. 1987
Smith et al. 1995
Hauri & Hart 1997
Nakhla Meteorite 5 B 4.6           ppm McSween, Jr. 2004 Lodders 1998
Nile River Particulates 5 B 75           µg/g Martin & Meybeck 1979
North Qinling Belt in China 5 B 26           ppm Gao et al. 1998
North Qinling Belt in China 5 B 14           ppm Gao et al. 1998
North Qinling Belt in China 5 B 10           ppm Gao et al. 1998
North Qinling Belt in China 5 B 10           ppm Gao et al. 1998
North Qinling Belt in China 5 B 5.9           ppm Gao et al. 1998
Northern Blake Plateau Phosphorites 5 B 0.005         8 wt%ox Manheim et al. 1980
Oceans Surface water 5 B 4.4           mg/kg Quinby-Hunt & Turekian 1983 Noakes & Hood 1961
ODP Site 735 5 B 2.7   0.1       ppm Smith et al. 1995
ODP Site 735 5 B 2.7 2.15       22 ppm Hart et al. 1999
ODP Site 735   d11B 7.4 6.75       22   Hart et al. 1999
ODP Site 735 5 d11B 5.7   1.4         Smith et al. 1995
ODP/DSDP Site 417/418 5 B 26.2           ppm Staudigel et al. 1996
ODP/DSDP Site 417/418 5 B 26.2   0.5       ppm Smith et al. 1995
ODP/DSDP Site 417/418 5 d11B 0.8   0.4         Smith et al. 1995
ODP/DSDP Site 417/418   d11B 0.8             Staudigel et al. 1996
Oman Ophiolite 5 B 7.67   0.22       ppm Smith et al. 1995
Oman Ophiolite 5 d11B 8   1.1         Smith et al. 1995
Ordinary Chondrites 5 B 22.9         14   Anders & Ebihara 1982
Orgueil Chondrite 5 B 1.25         6 ppm Anders & Ebihara 1982
Orgueil Chondrite 5 B 870         1 ppb Anders & Grevesse 1989
Orinoco River Particulates 5 B 50           µg/g Martin & Meybeck 1979
Pelites 5 B 101         1341 ppm Gao et al. 1998
Pelites 5 B 38         69 ppm Gao et al. 1998
Phosphoria Formation 5 B         0.005 61 ppm Gulbrandsen 1966
Phosphoria Formation 5 B 13         60 ppm Altschuller 1980 Gulbrandsen 1966
Precambrian Canadian Shield 5 B 9.2           ppm Shaw et al. 1986
Precambrian Granulites 5 B 9.3         88 ppm Shaw et al. 1986
Primitive Mantle 5 B 0.3           ppm McDonough & Sun 1995
Primitive Mantle 5 B 0.26   0.104       ppm Palme & O'Neill 2004 Chaussidon & Jambon 1994
Primitive Mantle 5 B 0.26           ppm Palme & O'Neill 2004 Chaussidon & Jambon 1994
Pungo River Formation 5 B 30         2 ppm Altschuller 1980
Retort Phosphatic Shale Member 5 B         0.005 20 ppm Gulbrandsen 1966
River Particulates 5 B 70           µg/g Martin & Meybeck 1979
Rivers 5 B 10           ppb Li 1982
Seawater 5 B 0.416             Bruland 1983
Seawater 5 B 420             Broeker & Peng 1982
Seawater 5 B 4.4           mg/kg Quinby-Hunt & Turekian 1983 Noakes & Hood 1961
Seawater 5 B 4500000             Li 1991 Whitfield & Turner 1987
Seawater 5 B 4440           ppb Li 1982
Seawater 5 B 4.5           ppm Smith et al. 1995 Spivack 1986
Seawater 5 d11B 39.52   0.36         Smith et al. 1995 Spivack 1986
Silicate Earth 5 B 0.3           ppm McDonough & Sun 1995
Silicate Earth 5 B 0.3           ppm McDonough 2004
Silicate Earth 5 B 0.3           µg/g McDonough 1998
Silicic Precambrian Granulites 5 B 3         23 ppm Shaw et al. 1986
Slope Lisbourne Group 5 B 30         4 ppm Altschuller 1980 Patton & Matzko 1959
Solar Photosphere 5 B 2.6   0.3         Anders & Grevesse 1989
Solar Photosphere 5 B 2.7     2.68 2.82     Palme & Jones 2004 Cunha & Smith 1999
Solar System 5 B 24   7.2     34   Anders & Ebihara 1982
Solar System 5 B 21.2   2.12     1   Anders & Grevesse 1989
Solar System 5 B 2.87   2.583         Palme & Jones 2004
Solar System 5 B 9             Anders & Ebihara 1982 Cameron 1982
Solid Earth 5 B 0.2           µg/g McDonough 1998
Solid Earth 5 B 0.2           ppm McDonough 2004
South Margin of North China Craton 5 B 21           ppm Gao et al. 1998
South Margin of North China Craton 5 B 21           ppm Gao et al. 1998
South Margin of North China Craton 5 B 11           ppm Gao et al. 1998
South Margin of North China Craton 5 B 15           ppm Gao et al. 1998
South Margin of North China Craton 5 B 8.6           ppm Gao et al. 1998
South Qinling Belt in China 5 B 35           ppm Gao et al. 1998
South Qinling Belt in China 5 B 20           ppm Gao et al. 1998
South Qinling Belt in China 5 B 26           ppm Gao et al. 1998
South Qinling Belt in China 5 B 37           ppm Gao et al. 1998
Spinel Peridotites 5 B 0.53 0.55 0.07     6 ppm McDonough 1990
Tonalites-Trondhjemites-Granodiorites 5 B 5.1         641 ppm Gao et al. 1998
Tonalites-Trondhjemites-Granodiorites 5 B 5.6         553 ppm Gao et al. 1998
Troodos Ophiolite 5 B 4.46   0.15       ppm Smith et al. 1995
Troodos Ophiolite 5 d11B 3.7   1.2         Smith et al. 1995
Ultrabasic Precambrian Granulites 5 B 6         14 ppm Shaw et al. 1986
Upper Continental Crust 5 B 17           ppm Wedepohl 1995
Upper Continental Crust 5 B 15           ppm Taylor & McLennan 1995
Upper Continental Crust 5 B 28           µg/g Rudnick & Gao 2004 Gao et al. 1998
Upper Continental Crust 5 B 26.2           ppm Hart et al. 1999 Staudigel et al. 1995
Smith et al. 1995
Hart & Staudigel 1989
Staudigel et al. 1989
Upper Continental Crust 5 B 17   8       µg/g Rudnick & Gao 2004 see text








Upper Continental Crust 5 B 15           µg/g Rudnick & Gao 2004 Taylor & McLennan 1985
Taylor & McLennan 1995
Upper Continental Crust 5 B 17           µg/g Rudnick & Gao 2004 Wedepohl 1995
Upper Continental Crust 5 B 17           µg/g Rudnick & Gao 2004
Upper Continental Crust 5 B 9.2           µg/g Rudnick & Gao 2004 Shaw et al. 1967
Shaw et al. 1976
Upper Continental Crust   d11B 0.8             Hart et al. 1999 Staudigel et al. 1995
Smith et al. 1995
Hart & Staudigel 1989
Staudigel et al. 1989
Yangtze Craton 5 B 19           ppm Gao et al. 1998
Yangtze Craton 5 B 27           ppm Gao et al. 1998
Yangtze Craton 5 B 20           ppm Gao et al. 1998
Yangtze Craton 5 B 22           ppm Gao et al. 1998
Yangtze Craton 5 B 12           ppm Gao et al. 1998
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