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)
Alborz Mountains 47 Ag 0.4         3 ppm Altschuller 1980 Aval et al. 1968
ALH 77005 Meteorite 47 Ag 4.4           ppb McSween, Jr. 2004 Lodders 1998
Amphibolites 47 Ag 48         189 ppb Gao et al. 1998
Angra dos Reis Angrite 47 Ag 18           ppb Laul et al. 1972
Arenaceous Rocks 47 Ag 76         2754 ppb Gao et al. 1998
Arenaceous Rocks 47 Ag 56         121 ppb Gao et al. 1998
Battle Creek Formation 47 Ag 3.8         17 ppm Altschuller 1980 De Keyser & Cook 1972
Battle Creek Formation 47 Ag 1.6         7 ppm Altschuller 1980 De Keyser & Cook 1972
Bereba Eucrite 47 Ag 98           ppb Laul et al. 1972
Bialystok Howardite 47 Ag 19           ppb Laul et al. 1972
Bone Valley Formation 47 Ag 1.4         8 ppm Altschuller 1980
Carbonates 47 Ag 48         50 ppb Gao et al. 1998
Carbonates 47 Ag 69         2038 ppb Gao et al. 1998
Central East China Craton 47 Ag 48           ppb Gao et al. 1998
Central East China Craton 47 Ag 55           ppb Gao et al. 1998
Central East China Craton 47 Ag 55           ppb Gao et al. 1998
Central East China Craton 47 Ag 50           ppb Gao et al. 1998
Central East China Craton 47 Ag 55           ppb Gao et al. 1998
Central East China Craton 47 Ag 52           ppb Gao et al. 1998
Central East China Craton 47 Ag 50           ppb Gao et al. 1998
Central East China Craton 47 Ag 51           ppb Gao et al. 1998
Central East China Craton 47 Ag 47           ppb Gao et al. 1998
Central East China Craton   Er/Ag 54.6             Gao et al. 1998
Central East China Craton   Er/Ag 50.5             Gao et al. 1998
Central East China Craton   Er/Ag 52.1             Gao et al. 1998
Central East China Craton   Er/Ag 51.4             Gao et al. 1998
Central East China Craton   Er/Ag 49             Gao et al. 1998
Central East China Craton   Er/Ag 53.5             Gao et al. 1998
Central East China Craton   Er/Ag 65.7             Gao et al. 1998
Chassigny Achondrite 47 Ag 2.61           ppb Janssens et al. 1987 Treiman et al. 1986
Chassigny Meteorite 47 Ag 2.6           ppb McSween, Jr. 2004 Lodders 1998
CI Chondrites 47 Ag 199   5.8     6 ppb Anders & Grevesse 1989
CI Chondrites 47 Ag 1.23   0.04         Palme & Jones 2004
CI Chondrites 47 Ag 208           ppb McDonough & Sun 1995 Wasson & Kallemeyn 1988
CI Chondrites 47 Ag 0.197   0.0197       ppm Palme & Jones 2004 Palme & Beer 1993
CI Chondrites 47 Ag 197   19.7       ppb Palme & O'Neill 2004 Palme & Jones 2004
CI Chondrites 47 Ag 210           ppb McDonough & Sun 1995 Palme 1988
CI Chondrites 47 Ag 200           ppb McDonough & Sun 1995
CI Chondrites 47 Ag 0.199           ppm Palme & Jones 2004 Anders & Grevesse 1989
CI Chondrites 47 Ag 199           ppb Janssens et al. 1987 Loss et al. 1984
Congo River Particulates 47 Ag 38           µg/g Martin & Meybeck 1979
Constantinople Eucrite 47 Ag 30           ppb Laul et al. 1972
Continental Crust 47 Ag 56           ng/g Rudnick & Gao 2004 Rudnick & Fountain 1995
Continental Crust 47 Ag 70           ppb Wedepohl 1995
Continental Crust 47 Ag 80           ppb Taylor & McLennan 1995
Continental Crust 47 Ag 70           ng/g Rudnick & Gao 2004 Wedepohl 1995
Continental Crust 47 Ag 80           ppb Palme & O'Neill 2004 Rudnick & Gao 2004
Continental Crust 47 Ag 56           ppb Candela 2004 Rudnick & Gao 2004
Continental Crust 47 Ag   125         ppm Candela 2004 Rudnick & Gao 2004
Continental Crust 47 Ag 52           ng/g Rudnick & Gao 2004 Gao et al. 1998a
Continental Crust 47 Ag 70           ng/g Rudnick & Gao 2004 Taylor 1964
Continental Crust 47 Ag 80           ng/g Rudnick & Gao 2004 Taylor & McLennan 1985
Taylor & McLennan 1995
Continental Crust 47 Ag 56           ng/g Rudnick & Gao 2004
Core 47 Ag 0.15           ppm McDonough 2004
Core 47 Ag 0.15           µg/g McDonough 1998
Danube River Particulates 47 Ag         0.3   µg/g Martin & Meybeck 1979
Depleted Mantle 47 Ag 0.087             Jones & Drake 1986 Morgan et al. 1980
Depleted Mantle 47 Ag 6   3       ppb Salters & Stracke 2004
Diorite 47 Ag 53         260 ppb Gao et al. 1998
Dover Sandstone 47 Ag 1         4 ppm Altschuller 1980 Cathcart & Schmidt 1974
Dyalpur Ureilite 47 Ag 98           ppb Janssens et al. 1987 Higuchi et al. 1976
East China Craton 47 Ag 52           ppb Gao et al. 1998
Felsic Granulites 47 Ag 47         137 ppb Gao et al. 1998
Felsic Volcanics 47 Ag 72         972 ppb Gao et al. 1998
Frankfort Howardite 47 Ag 17           ppb Laul et al. 1972
Goalpara Ureilite 47 Ag 5.4           ppb Janssens et al. 1987 Higuchi et al. 1976
Granites 47 Ag 55         1226 ppb Gao et al. 1998
Granites 47 Ag 49         402 ppb Gao et al. 1998
Havero Ureilite 47 Ag 27           ppb Janssens et al. 1987 Higuchi et al. 1976
Havero Ureilite Vein Metal 47 Ag 99           ppb Janssens et al. 1987
Igneous Rocks 47 Ag 3.2           ppb Morgan et al. 1978
Inner Blake Plateau Phosphorites 47 Ag 4           ppm Manheim et al. 1980
Interior North China Craton 47 Ag 61           ppb Gao et al. 1998
Interior North China Craton 47 Ag 61           ppb Gao et al. 1998
Interior North China Craton 47 Ag 61           ppb Gao et al. 1998
Interior North China Craton 47 Ag 60           ppb Gao et al. 1998
Interior North China Craton 47 Ag 59           ppb Gao et al. 1998
Intermediate Granulites 47 Ag 53         136 ppb Gao et al. 1998
Jonzac Eucrite 47 Ag 37           ppb Laul et al. 1972
Juvinas Eucrite 47 Ag 21           ppb Laul et al. 1972
Juvinas Eucrite 47 Ag 21           ppb Morgan et al. 1978 Laul et al. 1972
Juvinas Eucrite 47 Ag 100           ppb Morgan et al. 1978
Kapoeta Howardite 47 Ag 7.3           ppb Laul et al. 1972
Kapoeta Howardite 47 Ag 3.1           ppb Laul et al. 1972
Karatau 47 Ag 210         10 ppm Altschuller 1980 Kholodov 1963
Kenna Ureilite 47 Ag 5.2         1 ppb Janssens et al. 1987
Kenna Ureilite Vein Metal 47 Ag 8.7           ppb Janssens et al. 1987
Kyzyl Kum 47 Ag 2         5 ppm Altschuller 1980 Kapustyanski 1964
La Caja Formation 47 Ag 1.6         8 ppm Altschuller 1980 Rogers et al. 1956
Lafayette Nakhlite 47 Ag 58           ppb Laul et al. 1972
Lower Continental Crust 47 Ag 0.08           ppm Wedepohl 1995
Lower Continental Crust 47 Ag 90           ng/g Rudnick & Gao 2004 Taylor & McLennan 1985
Taylor & McLennan 1995
Lower Continental Crust 47 Ag 80           ng/g Rudnick & Gao 2004 Wedepohl 1995
Lower Continental Crust 47 Ag 51           ng/g Rudnick & Gao 2004 Gao et al. 1998a
Lower Continental Crust 47 Ag 65           ng/g Rudnick & Gao 2004 Wedepohl 1995
Gao et al. 1998a
Lower Continental Crust 47 Ag 90           ppb Taylor & McLennan 1995
Mafic Granulites 47 Ag 58         128 ppb Gao et al. 1998
Mafic Intrusions 47 Ag 68         308 ppb Gao et al. 1998
Manganese Nodules 47 Ag 0.09           ppm Li 1991 Baturin 1988
Marine Organisms 47 Ag 0.22           ppm Li 1991 Bowen 1979
Marine Pelagic Clay 47 Ag 0.11           ppm Li 1991 Turekian & Wedepohl 1961
Marine Pelagic Clay 47 Ag 0.11           ppm Li 1982
Marine Phosphorites 47 Ag 2 1.5   0 7 15 ppm Altschuller 1980
Marine Shales 47 Ag 0.07           ppm Li 1991 Turekian & Wedepohl 1961
Marine Shales 47 Ag 0.07           ppm Altschuller 1980 Turekian & Wedepohl 1961
Mavic Volcanics 47 Ag 50         632 ppb Gao et al. 1998
Mead Peak Phosphatic Shale Member 47 Ag       0.001 0.003 41 ppm Gulbrandsen 1966
Metafelsic Volcanics 47 Ag 68         41 ppb Gao et al. 1998
Middle Continental Crust 47 Ag 48           ng/g Rudnick & Gao 2004
Middle Continental Crust 47 Ag 48           ng/g Rudnick & Gao 2004 Gao et al. 1998
Mishash Formation 47 Ag 1         3 ppm Altschuller 1980 Mazor 1963
Mississippi River Particulates 47 Ag 0.7           µg/g Martin & Meybeck 1979
Molteno Howardite 47 Ag 214           ppb Laul et al. 1972
Monterey Formation 47 Ag 1.3         5 ppm Altschuller 1980
Nakhla Meteorite 47 Ag 40           ppb McSween, Jr. 2004 Lodders 1998
Nakhla Nakhlite 47 Ag 40           ppb Laul et al. 1972
North American Shale Composite (NASC) 47 Ag 14.2           ppb Morgan et al. 1978
North Qinling Belt in China 47 Ag 49           ppb Gao et al. 1998
North Qinling Belt in China 47 Ag 48           ppb Gao et al. 1998
North Qinling Belt in China 47 Ag 45           ppb Gao et al. 1998
North Qinling Belt in China 47 Ag 49           ppb Gao et al. 1998
North Qinling Belt in China 47 Ag 38           ppb Gao et al. 1998
Northern Blake Plateau Phosphorites 47 Ag 5         8 ppm Manheim et al. 1980
Novo-Urei Ureilite 47 Ag 7.8           ppb Janssens et al. 1987 Higuchi et al. 1976
Ob River Particulates 47 Ag 14           µg/g Martin & Meybeck 1979
Oceans Deep water 47 Ag 3           ng/kg Quinby-Hunt & Turekian 1983 Schutz & Turekian 1965
Orgueil Chondrite 47 Ag 197         5 ppb Anders & Grevesse 1989
Orgueil Chondrite 47 Ag 220         8 ppb Anders & Ebihara 1982
Oulad Abdoun Basin 47 Ag 7         4 ppm Altschuller 1980
Pelites 47 Ag 61         69 ppb Gao et al. 1998
Pelites 47 Ag 107         1341 ppb Gao et al. 1998
Pesyanoe Aubrite 47 Ag 13           ppb Laul et al. 1972
Pesyanoe Aubrite 47 Ag 74           ppb Laul et al. 1972
Phosphoria Formation 47 Ag   3         ppm Gulbrandsen 1966
Phosphoria Formation 47 Ag 0.0003         61 ppm Gulbrandsen 1966
Phosphoria Formation 47 Ag 3         60 ppm Altschuller 1980 Gulbrandsen 1966
Primitive Mantle 47 Ag 4           ppb Palme & O'Neill 2004
Primitive Mantle 47 Ag 4           ppb Palme & O'Neill 2004
Primitive Mantle 47 Ag 8           ppb McDonough & Sun 1995
Retort Phosphatic Shale Member 47 Ag         1e-05 20 ppm Gulbrandsen 1966
Rivers 47 Ag 0.3           ppb Li 1982
Seawater 47 Ag 0.04           ppb Li 1982
Seawater 47 Ag 2.5e-05             Broeker & Peng 1982
Seawater 47 Ag 3           ng/kg Quinby-Hunt & Turekian 1983 Schutz & Turekian 1965
Seawater 47 Ag 0.022     0.001       Martin et al. 1983
Seawater 47 Ag 2.5             Li 1991 Whitfield & Turner 1987
Seawater 47 Ag 25     0.5 35     Bruland 1983
Sera de Mage Eucrite 47 Ag 1           ppb Morgan et al. 1978
Sera de Mage Eucrite 47 Ag 3.3           ppb Laul et al. 1972
Sera de Mage Eucrite 47 Ag 3.3           ppb Morgan et al. 1978 Laul et al. 1972
Shergotty Meteorite 47 Ag 11.4   5.1       ppb McSween, Jr. 2004 Lodders 1998
Shergotty Shergottite 47 Ag 263           ppb Laul et al. 1972
Silicate Earth 47 Ag 8           ppb McDonough & Sun 1995
Silicate Earth 47 Ag 0.008           µg/g McDonough 1998
Silicate Earth 47 Ag 0.008           ppm McDonough 2004
Sioux County Eucrite 47 Ag 5.5           ppb Laul et al. 1972
Slope Lisbourne Group 47 Ag 4         4 ppm Altschuller 1980 Patton & Matzko 1959
Solar Photosphere 47 Ag 0.94   0.25         Palme & Jones 2004 Grevesse & Sauval 1998
Solar Photosphere 47 Ag 0.94   0.25         Anders & Grevesse 1989
Solar System 47 Ag 0.486   0.0141     6   Anders & Grevesse 1989
Solar System 47 Ag 0.529   0.050255     11   Anders & Ebihara 1982
Solar System 47 Ag 0.46             Anders & Ebihara 1982 Cameron 1982
Solid Earth 47 Ag 0.05           µg/g McDonough 1998
Solid Earth 47 Ag 0.05           ppm McDonough 2004
South Margin of North China Craton 47 Ag 64           ppb Gao et al. 1998
South Margin of North China Craton 47 Ag 49           ppb Gao et al. 1998
South Margin of North China Craton 47 Ag 49           ppb Gao et al. 1998
South Margin of North China Craton 47 Ag 65           ppb Gao et al. 1998
South Margin of North China Craton 47 Ag 55           ppb Gao et al. 1998
South Qinling Belt in China 47 Ag 59           ppb Gao et al. 1998
South Qinling Belt in China 47 Ag 54           ppb Gao et al. 1998
South Qinling Belt in China 47 Ag 53           ppb Gao et al. 1998
South Qinling Belt in China 47 Ag 49           ppb Gao et al. 1998
Spinel Peridotites 47 Ag 6.8 4.8 8.3     17 ppb McDonough 1990
St. Lawrence River Particulates 47 Ag 60           µg/g Martin & Meybeck 1979
Stannern Trend Eucrites 47 Ag 2100           ppb Laul et al. 1972
Stannern Trend Eucrites 47 Ag 40           ppb Laul et al. 1972
Tamalyk Krasnoyarsk 47 Ag 1         38 ppm Altschuller 1980 Chaikina & Nikolskaya 1970
Tonalites-Trondhjemites-Granodiorites 47 Ag 57         641 ppb Gao et al. 1998
Tonalites-Trondhjemites-Granodiorites 47 Ag 46         553 ppb Gao et al. 1998
Upper Continental Crust 47 Ag 50           ppb Taylor & McLennan 1995
Upper Continental Crust 47 Ag 0.055           ppm Wedepohl 1995
Upper Continental Crust 47 Ag 55           ng/g Rudnick & Gao 2004 Gao et al. 1998
Upper Continental Crust 47 Ag 53           ng/g Rudnick & Gao 2004
Upper Continental Crust 47 Ag 55           ng/g Rudnick & Gao 2004 Wedepohl 1995
Upper Continental Crust 47 Ag 53   3       ng/g Rudnick & Gao 2004 see text








Upper Continental Crust 47 Ag 50           ng/g Rudnick & Gao 2004 Taylor & McLennan 1985
Taylor & McLennan 1995
Washougal Howardite 47 Ag 3.8           ppb Laul et al. 1972
Yangtze Craton 47 Ag 49           ppb Gao et al. 1998
Yangtze Craton 47 Ag 51           ppb Gao et al. 1998
Yangtze Craton 47 Ag 42           ppb Gao et al. 1998
Yangtze Craton 47 Ag 45           ppb Gao et al. 1998
Yangtze Craton 47 Ag 39           ppb Gao et al. 1998
Yemissei River Particulates 47 Ag 29           µg/g Martin & Meybeck 1979
Zagami Shergottite 47 Ag 37           ppb Laul et al. 1972
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