GERM Partition Coefficient (Kd) Database
Development and Maintenance by the EarthRef.org Database Team
Data contribution by Roger Nielsen

Partition Coefficients      
Rock Type Mineral Z Elem Value SD Low High Kd Type Info Reference
Alkali Basalt Plagioclase 58 Ce 0.113       Phenocryst-Matrix Schnetzler & Philpotts 1970
Alkali Basalt Plagioclase 60 Nd 0.069       Phenocryst-Matrix Schnetzler & Philpotts 1970
Alkali Basalt Plagioclase 62 Sm 0.035       Phenocryst-Matrix Schnetzler & Philpotts 1970
Alkali Basalt Plagioclase 63 Eu 0.392       Phenocryst-Matrix Schnetzler & Philpotts 1970
Alkali Basalt Plagioclase 64 Gd 0.026       Interpolated Schnetzler & Philpotts 1970
Alkali Basalt Plagioclase 66 Dy 0.019       Phenocryst-Matrix Schnetzler & Philpotts 1970
Alkali Basalt Plagioclase 68 Er 0.01       Interpolated Schnetzler & Philpotts 1970
Alkali Basalt Plagioclase 70 Yb 0.006       Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Amphibole 58 Ce 0.094       Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Amphibole 60 Nd 0.189       Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Amphibole 62 Sm 0.336       Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Amphibole 63 Eu 0.358       Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Amphibole 64 Gd 0.509       Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Amphibole 66 Dy 0.636       Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Amphibole 68 Er 0.484       Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Amphibole 70 Yb 0.462       Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Amphibole 71 Lu 0.436       Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Clinopyroxene 58 Ce     0.043 0.508 Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Clinopyroxene 60 Nd     0.065 0.645 Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Clinopyroxene 62 Sm     0.09 0.954 Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Clinopyroxene 63 Eu     0.091 0.681 Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Clinopyroxene 64 Gd     0.095 1.35 Interpolated Schnetzler & Philpotts 1970
Andesite Clinopyroxene 66 Dy     0.105 1.46 Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Clinopyroxene 68 Er     0.107 1.33 Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Clinopyroxene 70 Yb     0.092 1.3 Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Clinopyroxene 71 Lu 0.071       Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Low Calcium Pyroxene 58 Ce 0.02       Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Low Calcium Pyroxene 58 Ce     0.031 0.043 Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Low Calcium Pyroxene 60 Nd     0.034 0.058 Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Low Calcium Pyroxene 60 Nd 0.049       Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Low Calcium Pyroxene 62 Sm 0.1       Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Low Calcium Pyroxene 62 Sm     0.047 0.1 Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Low Calcium Pyroxene 63 Eu     0.06 0.079 Interpolated Schnetzler & Philpotts 1970
Andesite Low Calcium Pyroxene 63 Eu 0.068       Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Low Calcium Pyroxene 64 Gd 0.155       Interpolated Schnetzler & Philpotts 1970
Andesite Low Calcium Pyroxene 64 Gd     0.07 0.875 Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Low Calcium Pyroxene 66 Dy     0.117 0.98 Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Low Calcium Pyroxene 66 Dy 0.225       Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Low Calcium Pyroxene 68 Er 0.318       Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Low Calcium Pyroxene 68 Er     0.164 0.932 Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Low Calcium Pyroxene 70 Yb     0.244 0.896 Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Low Calcium Pyroxene 70 Yb 0.4       Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Low Calcium Pyroxene 71 Lu 0.453       Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Low Calcium Pyroxene 71 Lu     0.693 0.838 Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Plagioclase 58 Ce     0.062 0.295 Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Plagioclase 60 Nd     0.023 0.24 Interpolated Schnetzler & Philpotts 1970
Andesite Plagioclase 62 Sm     0.026 0.203 Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Plagioclase 63 Eu     0.055 0.732 Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Plagioclase 64 Gd     0.017 0.066 Interpolated Schnetzler & Philpotts 1970
Andesite Plagioclase 66 Dy     0.01 0.293 Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Plagioclase 68 Er     0.027 0.041 Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Plagioclase 70 Yb     0.024 0.033 Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite Plagioclase 71 Lu     0.027 0.034 Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite-Basalt Plagioclase 58 Ce 0.278       Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite-Basalt Plagioclase 60 Nd 0.199       Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite-Basalt Plagioclase 62 Sm 0.166       Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite-Basalt Plagioclase 63 Eu 0.438       Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite-Basalt Plagioclase 64 Gd 0.214       Interpolated Schnetzler & Philpotts 1970
Andesite-Basalt Plagioclase 66 Dy 0.199       Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite-Basalt Plagioclase 68 Er 0.242       Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite-Basalt Plagioclase 70 Yb 0.299       Phenocryst-Matrix Schnetzler & Philpotts 1970
Andesite-Basalt Plagioclase 71 Lu 0.241       Phenocryst-Matrix Schnetzler & Philpotts 1970
Ankaramite, Basalt Clinopyroxene 58 Ce 0.077       Phenocryst-Matrix Schnetzler & Philpotts 1970
Ankaramite, Basalt Clinopyroxene 60 Nd 0.174       Phenocryst-Matrix Schnetzler & Philpotts 1970
Ankaramite, Basalt Clinopyroxene 62 Sm 0.26       Phenocryst-Matrix Schnetzler & Philpotts 1970
Ankaramite, Basalt Clinopyroxene 63 Eu 0.273       Phenocryst-Matrix Schnetzler & Philpotts 1970
Ankaramite, Basalt Clinopyroxene 64 Gd 0.325       Interpolated Schnetzler & Philpotts 1970
Ankaramite, Basalt Clinopyroxene 66 Dy 0.351       Phenocryst-Matrix Schnetzler & Philpotts 1970
Ankaramite, Basalt Clinopyroxene 68 Er 0.33       Phenocryst-Matrix Schnetzler & Philpotts 1970
Ankaramite, Basalt Clinopyroxene 70 Yb 0.294       Phenocryst-Matrix Schnetzler & Philpotts 1970
Ankaramite, Basalt Olivine 58 Ce 0.009       Phenocryst-Matrix Schnetzler & Philpotts 1970
Ankaramite, Basalt Olivine 60 Nd 0.01       Phenocryst-Matrix Schnetzler & Philpotts 1970
Ankaramite, Basalt Olivine 62 Sm 0.011       Phenocryst-Matrix Schnetzler & Philpotts 1970
Ankaramite, Basalt Olivine 63 Eu 0.01       Phenocryst-Matrix Schnetzler & Philpotts 1970
Ankaramite, Basalt Olivine 64 Gd 0.012       Phenocryst-Matrix Schnetzler & Philpotts 1970
Ankaramite, Basalt Olivine 66 Dy 0.014       Phenocryst-Matrix Schnetzler & Philpotts 1970
Ankaramite, Basalt Olivine 68 Er 0.017       Phenocryst-Matrix Schnetzler & Philpotts 1970
Ankaramite, Basalt Olivine 70 Yb 0.023       Interpolated Schnetzler & Philpotts 1970
Basalt Plagioclase 58 Ce 0.023       Phenocryst-Matrix Schnetzler & Philpotts 1970
Basalt Plagioclase 60 Nd 0.023       Phenocryst-Matrix Schnetzler & Philpotts 1970
Basalt Plagioclase 62 Sm 0.024       Phenocryst-Matrix Schnetzler & Philpotts 1970
Basalt Plagioclase 63 Eu 0.232       Phenocryst-Matrix Schnetzler & Philpotts 1970
Basalt Plagioclase 64 Gd 0.017       Interpolated Schnetzler & Philpotts 1970
Basalt Plagioclase 66 Dy 0.018       Phenocryst-Matrix Schnetzler & Philpotts 1970
Basalt Plagioclase 68 Er 0.02       Phenocryst-Matrix Schnetzler & Philpotts 1970
Basalt Plagioclase 70 Yb 0.03       Phenocryst-Matrix Schnetzler & Philpotts 1970
Basalt Plagioclase 71 Lu 0.037       Phenocryst-Matrix Schnetzler & Philpotts 1970
Dacite Biotite 58 Ce 0.037       Phenocryst-Matrix Schnetzler & Philpotts 1970
Dacite Biotite 60 Nd 0.044       Phenocryst-Matrix Schnetzler & Philpotts 1970
Dacite Biotite 62 Sm 0.058       Phenocryst-Matrix Schnetzler & Philpotts 1970
Dacite Biotite 63 Eu 0.145       Phenocryst-Matrix Schnetzler & Philpotts 1970
Dacite Biotite 64 Gd 0.082       Phenocryst-Matrix Schnetzler & Philpotts 1970
Dacite Biotite 66 Dy 0.097       Phenocryst-Matrix Schnetzler & Philpotts 1970
Dacite Biotite 68 Er 0.162       Phenocryst-Matrix Schnetzler & Philpotts 1970
Dacite Biotite 70 Yb 0.179       Phenocryst-Matrix Schnetzler & Philpotts 1970
Dacite Garnet 58 Ce 0.348       Phenocryst-Matrix Schnetzler & Philpotts 1970
Dacite Garnet 60 Nd 0.525       Phenocryst-Matrix Schnetzler & Philpotts 1970
Dacite Garnet 62 Sm 2.66       Phenocryst-Matrix Schnetzler & Philpotts 1970
Dacite Garnet 63 Eu 1.5       Phenocryst-Matrix Schnetzler & Philpotts 1970
Dacite Garnet 64 Gd 10.5       Phenocryst-Matrix Schnetzler & Philpotts 1970
Dacite Garnet 66 Dy 28.6       Phenocryst-Matrix Schnetzler & Philpotts 1970
Dacite Garnet 68 Er 42.8       Phenocryst-Matrix Schnetzler & Philpotts 1970
Dacite Garnet 70 Yb 39.9       Phenocryst-Matrix Schnetzler & Philpotts 1970
Dacite Garnet 71 Lu 19.6       Phenocryst-Matrix Schnetzler & Philpotts 1970
Dacite Plagioclase 58 Ce 0.241       Phenocryst-Matrix Schnetzler & Philpotts 1970
Dacite Plagioclase 60 Nd 0.172       Phenocryst-Matrix Schnetzler & Philpotts 1970
Dacite Plagioclase 62 Sm 0.125       Phenocryst-Matrix Schnetzler & Philpotts 1970
Dacite Plagioclase 63 Eu 2.11       Phenocryst-Matrix Schnetzler & Philpotts 1970
Dacite Plagioclase 64 Gd 0.09       Interpolated Schnetzler & Philpotts 1970
Dacite Plagioclase 66 Dy 0.086       Interpolated Schnetzler & Philpotts 1970
Dacite Plagioclase 68 Er 0.084       Phenocryst-Matrix Schnetzler & Philpotts 1970
Dacite Plagioclase 70 Yb 0.077       Phenocryst-Matrix Schnetzler & Philpotts 1970
Dacite Plagioclase 71 Lu 0.062       Phenocryst-Matrix Schnetzler & Philpotts 1970
Phonolite Biotite 58 Ce 0.034       Phenocryst-Matrix Schnetzler & Philpotts 1970
Phonolite Biotite 60 Nd 0.032       Phenocryst-Matrix Schnetzler & Philpotts 1970
Phonolite Biotite 62 Sm 0.031       Phenocryst-Matrix Schnetzler & Philpotts 1970
Phonolite Biotite 63 Eu 0.03       Phenocryst-Matrix Schnetzler & Philpotts 1970
Phonolite Biotite 64 Gd 0.03       Interpolated Schnetzler & Philpotts 1970
Phonolite Biotite 66 Dy 0.03       Phenocryst-Matrix Schnetzler & Philpotts 1970
Phonolite Biotite 68 Er 0.034       Phenocryst-Matrix Schnetzler & Philpotts 1970
Phonolite Biotite 70 Yb 0.042       Phenocryst-Matrix Schnetzler & Philpotts 1970
Phonolite Clinopyroxene 58 Ce 0.096       Phenocryst-Matrix Schnetzler & Philpotts 1970
Phonolite Clinopyroxene 60 Nd 0.182       Phenocryst-Matrix Schnetzler & Philpotts 1970
Phonolite Clinopyroxene 62 Sm 0.261       Phenocryst-Matrix Schnetzler & Philpotts 1970
Phonolite Clinopyroxene 63 Eu 0.26       Phenocryst-Matrix Schnetzler & Philpotts 1970
Phonolite Clinopyroxene 64 Gd 0.275       Interpolated Schnetzler & Philpotts 1970
Phonolite Clinopyroxene 66 Dy 0.313       Phenocryst-Matrix Schnetzler & Philpotts 1970
Phonolite Clinopyroxene 68 Er 0.234       Phenocryst-Matrix Schnetzler & Philpotts 1970
Phonolite Clinopyroxene 70 Yb 0.227       Phenocryst-Matrix Schnetzler & Philpotts 1970
Rhyolite Biotite 58 Ce 0.234       Phenocryst-Matrix Schnetzler & Philpotts 1970
Rhyolite Biotite 60 Nd 0.339       Phenocryst-Matrix Schnetzler & Philpotts 1970
Rhyolite Biotite 62 Sm 0.392       Phenocryst-Matrix Schnetzler & Philpotts 1970
Rhyolite Biotite 63 Eu 0.501       Phenocryst-Matrix Schnetzler & Philpotts 1970
Rhyolite Biotite 64 Gd 0.353       Interpolated Schnetzler & Philpotts 1970
Rhyolite Biotite 66 Dy 0.2       Phenocryst-Matrix Schnetzler & Philpotts 1970
Rhyolite Biotite 68 Er 0.171       Phenocryst-Matrix Schnetzler & Philpotts 1970
Rhyolite Biotite 70 Yb 0.165       Phenocryst-Matrix Schnetzler & Philpotts 1970
Rhyolite Biotite 71 Lu 0.208       Phenocryst-Matrix Schnetzler & Philpotts 1970
Rhyolite Clinopyroxene 58 Ce 0.646       Phenocryst-Matrix Schnetzler & Philpotts 1970
Rhyolite Clinopyroxene 60 Nd 1.28       Phenocryst-Matrix Schnetzler & Philpotts 1970
Rhyolite Clinopyroxene 62 Sm 1.81       Phenocryst-Matrix Schnetzler & Philpotts 1970
Rhyolite Clinopyroxene 63 Eu 2.01       Phenocryst-Matrix Schnetzler & Philpotts 1970
Rhyolite Clinopyroxene 64 Gd 1.41       Interpolated Schnetzler & Philpotts 1970
Rhyolite Clinopyroxene 66 Dy 1.22       Phenocryst-Matrix Schnetzler & Philpotts 1970
Rhyolite Clinopyroxene 68 Er 1.14       Phenocryst-Matrix Schnetzler & Philpotts 1970
Rhyolite Clinopyroxene 70 Yb 1.14       Phenocryst-Matrix Schnetzler & Philpotts 1970
Rhyolite Clinopyroxene 71 Lu 1.28       Phenocryst-Matrix Schnetzler & Philpotts 1970
Rhyolite K-Feldspar 58 Ce 0.044   0.044   Phenocryst-Matrix Schnetzler & Philpotts 1970
Rhyolite K-Feldspar 60 Nd 0.025   0.025   Phenocryst-Matrix Schnetzler & Philpotts 1970
Rhyolite K-Feldspar 62 Sm 0.018   0.018   Phenocryst-Matrix Schnetzler & Philpotts 1970
Rhyolite K-Feldspar 63 Eu 1.13   1.13   Phenocryst-Matrix Schnetzler & Philpotts 1970
Rhyolite K-Feldspar 64 Gd 0.011   0.011   Interpolated Schnetzler & Philpotts 1970
Rhyolite K-Feldspar 66 Dy 0.97   0.97   Phenocryst-Matrix Schnetzler & Philpotts 1970
Rhyolite K-Feldspar 68 Er 0.162   0.162   Phenocryst-Matrix Schnetzler & Philpotts 1970
Rhyolite K-Feldspar 70 Yb 0.012   0.012   Phenocryst-Matrix Schnetzler & Philpotts 1970
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