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 Clinopyroxene 31 Ga 0.74       Phenocryst-Matrix Zack & Brumm 1998
Alkali Basalt Ilmenite 31 Ga 0.4       Phenocryst-Matrix Zack & Brumm 1998
Alkali Olivine Basalt Spinel 31 Ga     2.49 3.75 Experimental Horn et al. 1994
Andesite Clinopyroxene 31 Ga 0.47       Phenocryst-Matrix Ewart & Griffin 1994
Andesite Low Calcium Pyroxene 31 Ga 0.32       Phenocryst-Matrix Ewart & Griffin 1994
Andesite Magnetite 31 Ga 4.1       Phenocryst-Matrix Ewart & Griffin 1994
Andesite Olivine 31 Ga       0.25 Phenocryst-Matrix Ewart & Griffin 1994
Andesite Plagioclase 31 Ga 1.5       Phenocryst-Matrix Ewart & Griffin 1994
Basalt Apatite 31 Ga       0.25 Phenocryst-Matrix Paster et al. 1974
Basalt Clinopyroxene 31 Ga 0.74       Experimental Hart & Dunn 1993
Basalt Clinopyroxene 31 Ga       0.25 Phenocryst-Matrix Paster et al. 1974
Basalt Ilmenite 31 Ga 0.14       Phenocryst-Matrix Paster et al. 1974
Basalt Magnetite 31 Ga 2       Experimental Lemarchand et al. 1987
Basalt Metal 31 Ga 0.6       Phenocryst-Matrix Kloeck & Palme 1988
Basalt Metal 31 Ga     1.1 88.4 Experimental Schmitt et al. 1989
Basalt Metal 31 Ga     1 1.7 Experimental Jones & Drake 1986
Basalt Olivine 31 Ga 0.04       Phenocryst-Matrix Kloeck & Palme 1988
Basalt Olivine 31 Ga       0.25 Phenocryst-Matrix Paster et al. 1974
Basalt Plagioclase 31 Ga 1.7       Phenocryst-Matrix Paster et al. 1974
Basalt-Andesite Plagioclase 31 Ga     0.71 1.1 Model Ewart et al. 1973
Basanite Amphibole 31 Ga     0.6 0.68 Experimental Adam & Green 2006
Basanite Clinopyroxene 31 Ga     0.77 0.34 Experimental Adam & Green 2006
Basanite Garnet 31 Ga     1.02 1 Experimental Adam & Green 2006
Basanite Mica 31 Ga     0.66 0.81 Experimental Adam & Green 2006
Basanite Olivine 31 Ga     0.005 0.012 Experimental Adam & Green 2006
Basanite Orthopyroxene 31 Ga 0.38 0.02     Experimental Adam & Green 2006
Carbonatite Clinopyroxene 31 Ga     0.18 20 Experimental Blundy & Dalton 2000
Carbonatite Olivine 31 Ga 0.7       Experimental Blundy & Dalton 2000
Dacite Amphibole 31 Ga 2.42       Phenocryst-Matrix Ewart & Griffin 1994
Dacite Biotite 31 Ga 4.2       Phenocryst-Matrix Ewart & Griffin 1994
Dacite Magnetite 31 Ga 2.8       Phenocryst-Matrix Ewart & Griffin 1994
Dacite Plagioclase 31 Ga 3.2       Phenocryst-Matrix Ewart & Griffin 1994
Dacite Plagioclase 31 Ga     1.1 1.7 Model Ewart et al. 1973
Fe-Ni-S-P-X-Basalt Metal 31 Ga     1.5 8.6 Experimental Jones & Drake 1983
High Na-Al Basalt Clinopyroxene 31 Ga 0.69 0.12     Experimental Blundy et al. 1998
High Na-Al Basalt Plagioclase 31 Ga 0.36 0.08     Experimental Blundy et al. 1998
High Silica Rhyolite Allanite 31 Ga 2.9       Phenocryst-Matrix Ewart & Griffin 1994
High Silica Rhyolite Amphibole 31 Ga     1.15 1.77 Phenocryst-Matrix Ewart & Griffin 1994
High Silica Rhyolite Biotite 31 Ga 3.1       Phenocryst-Matrix Ewart & Griffin 1994
High Silica Rhyolite Ilmenite 31 Ga     0.21 0.32 Phenocryst-Matrix Ewart & Griffin 1994
High Silica Rhyolite K-Feldspar 31 Ga     0.2 1.7 Phenocryst-Matrix Ewart & Griffin 1994
High Silica Rhyolite Low Calcium Pyroxene 31 Ga 0.21       Phenocryst-Matrix Ewart & Griffin 1994
High Silica Rhyolite Magnetite 31 Ga 4.32       Phenocryst-Matrix Ewart & Griffin 1994
High Silica Rhyolite Plagioclase 31 Ga     0.59 1.7 Phenocryst-Matrix Ewart & Griffin 1994
Lamproite Clinopyroxene 31 Ga       0.118 Phenocryst-Matrix Foley & Jenner 2004
Lamproite Leucite 31 Ga 0.347       Phenocryst-Matrix Foley & Jenner 2004
Leucitite Clinopyroxene 31 Ga 0.61       Phenocryst-Matrix Ewart & Griffin 1994
Leucitite Leucite 31 Ga 0.42       Phenocryst-Matrix Ewart & Griffin 1994
Leucitite Plagioclase 31 Ga 0.56       Phenocryst-Matrix Ewart & Griffin 1994
Low Silica Rhyolite Allanite 31 Ga 1.5       Phenocryst-Matrix Ewart & Griffin 1994
Low Silica Rhyolite Amphibole 31 Ga     0.78 1.22 Phenocryst-Matrix Ewart & Griffin 1994
Low Silica Rhyolite Biotite 31 Ga 1.7       Phenocryst-Matrix Ewart & Griffin 1994
Low Silica Rhyolite Clinopyroxene 31 Ga     0.32 0.59 Phenocryst-Matrix Ewart & Griffin 1994
Low Silica Rhyolite Ilmenite 31 Ga     0.62 12.4 Phenocryst-Matrix Ewart & Griffin 1994
Low Silica Rhyolite K-Feldspar 31 Ga     0.45 2 Phenocryst-Matrix Ewart & Griffin 1994
Low Silica Rhyolite Low Calcium Pyroxene 31 Ga     0.18 4.7 Phenocryst-Matrix Ewart & Griffin 1994
Low Silica Rhyolite Magnetite 31 Ga     0.51 5.6 Phenocryst-Matrix Ewart & Griffin 1994
Low Silica Rhyolite Olivine 31 Ga       0.15 Phenocryst-Matrix Ewart & Griffin 1994
Low Silica Rhyolite Plagioclase 31 Ga     1.26 2.3 Phenocryst-Matrix Ewart & Griffin 1994
Per-Alkaline Rhyolite Clinopyroxene 31 Ga     0.1 0.11 Phenocryst-Matrix Ewart & Griffin 1994
Per-Alkaline Rhyolite Ilmenite 31 Ga       0.22 Phenocryst-Matrix Ewart & Griffin 1994
Per-Alkaline Rhyolite K-Feldspar 31 Ga     0.91 2.02 Phenocryst-Matrix Ewart & Griffin 1994
Quartz Latite Clinopyroxene 31 Ga       0.21 Phenocryst-Matrix Ewart & Griffin 1994
Quartz Latite Low Calcium Pyroxene 31 Ga     0.22 0.45 Phenocryst-Matrix Ewart & Griffin 1994
Quartz Latite Magnetite 31 Ga     3.9 8.1 Phenocryst-Matrix Ewart & Griffin 1994
Quartz Latite Plagioclase 31 Ga     2.4 4.2 Phenocryst-Matrix Ewart & Griffin 1994
Synthetic Basalt Metal 31 Ga     1 14 Experimental Drake et al. 1984
Synthetic CMAST Ca-Perovskite 31 Ga     0.18 0.3 Experimental Corgne et al. 2005
Synthetic CMAST Mg Perovskite 31 Ga     0.21 0.47 Experimental Corgne et al. 2005
Synthetic Peridotite Mg Perovskite 31 Ga     0.37 0.58 Experimental Liebske et al. 2005
Trachyandesite Amphibole 31 Ga 6.6       Phenocryst-Matrix Luhr et al. 1984
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