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
Trachyandesite Amphibole 21 Sc 43.2       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Amphibole 24 Cr 18       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Amphibole 27 Co 22       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Amphibole 31 Ga 6.6       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Amphibole 56 Ba 0.15       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Amphibole 57 La 0.54       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Amphibole 58 Ce 0.98       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Amphibole 60 Nd 2.1       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Amphibole 62 Sm 2.99       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Amphibole 63 Eu 2.88       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Amphibole 65 Tb 4.8       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Amphibole 66 Dy 4.3       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Amphibole 70 Yb 2.29       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Amphibole 71 Lu 2.3       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Amphibole 72 Hf 0.76       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Amphibole 73 Ta 0.56       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Amphibole 82 Pb       0.6 Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Amphibole 90 Th 0.054       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Amphibole 92 U 0.05       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Anhydrite 30 Zn 0.15       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Anhydrite 57 La 3.4       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Anhydrite 58 Ce 2.7       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Anhydrite 60 Nd 1.8       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Anhydrite 62 Sm 2.1       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Anhydrite 63 Eu 2.8       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Anhydrite 65 Tb 1.9       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Anhydrite 66 Dy 0.8       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Anhydrite 73 Ta 0.12       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Anhydrite 92 U       0.1 Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Apatite 21 Sc 0.45       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Apatite 24 Cr 9       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Apatite 27 Co       0.6 Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Apatite 30 Zn 1.8       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Apatite 56 Ba       0.3 Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Apatite 57 La 21.7       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Apatite 58 Ce 25.8       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Apatite 60 Nd 29       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Apatite 62 Sm 31.4       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Apatite 63 Eu 25.2       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Apatite 65 Tb 34       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Apatite 66 Dy 24       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Apatite 70 Yb 12.3       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Apatite 71 Lu 12       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Apatite 72 Hf       0.4 Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Apatite 73 Ta 142       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Apatite 74 W 16       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Apatite 90 Th 17.1       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Apatite 92 U 1.82       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Low Calcium Pyroxene 21 Sc 56.3       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Low Calcium Pyroxene 24 Cr 2       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Low Calcium Pyroxene 27 Co 17       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Low Calcium Pyroxene 30 Zn 8.5       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Low Calcium Pyroxene 56 Ba       0.03 Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Low Calcium Pyroxene 57 La 0.33       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Low Calcium Pyroxene 58 Ce 0.56       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Low Calcium Pyroxene 60 Nd 1.1       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Low Calcium Pyroxene 62 Sm 1.76   1.76   Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Low Calcium Pyroxene 63 Eu 1.55       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Low Calcium Pyroxene 65 Tb 2.6       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Low Calcium Pyroxene 66 Dy 2.3       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Low Calcium Pyroxene 70 Yb 1.56       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Low Calcium Pyroxene 71 Lu 1.9       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Low Calcium Pyroxene 72 Hf 0.6       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Low Calcium Pyroxene 73 Ta 0.159       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Low Calcium Pyroxene 74 W       0.3 Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Low Calcium Pyroxene 90 Th 0.018       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Low Calcium Pyroxene 92 U 0.028       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Magnetite 21 Sc 4.1       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Magnetite 24 Cr 154       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Magnetite 27 Co 72       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Magnetite 30 Zn 17       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Magnetite 56 Ba       0.07 Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Magnetite 57 La 0.29       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Magnetite 58 Ce 0.35       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Magnetite 62 Sm 0.55       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Magnetite 63 Eu 0.53       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Magnetite 65 Tb 0.5       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Magnetite 70 Yb 0.26       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Magnetite 71 Lu 0.6       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Magnetite 72 Hf 0.63       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Magnetite 73 Ta 0.28       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Magnetite 74 W 2.3       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Magnetite 90 Th 0.06       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Magnetite 92 U 0.12       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Plagioclase 21 Sc 0.083       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Plagioclase 24 Cr 0.5       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Plagioclase 27 Co 0.12       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Plagioclase 30 Zn 1.4       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Plagioclase 56 Ba 0.27       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Plagioclase 57 La 0.16       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Plagioclase 58 Ce 0.12       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Plagioclase 60 Nd 0.07       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Plagioclase 62 Sm 0.061       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Plagioclase 63 Eu 0.79       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Plagioclase 65 Tb 0.05       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Plagioclase 66 Dy       0.09 Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Plagioclase 70 Yb 0.026       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Plagioclase 71 Lu       0.1 Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Plagioclase 72 Hf 0.064       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Plagioclase 73 Ta 0.027       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Plagioclase 74 W       0.1 Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Plagioclase 90 Th 0.008       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Plagioclase 92 U 0.014       Phenocryst-Matrix Luhr et al. 1984
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