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 Amphibole 73 Ta 0.62       Phenocryst-Matrix Villemant et al. 1981
Alkali Basalt Biotite 73 Ta 0.56       Phenocryst-Matrix Villemant et al. 1981
Alkali Basalt Clinopyroxene 73 Ta 0.019       Phenocryst-Matrix Zack & Brumm 1998
Alkali Basalt Clinopyroxene 73 Ta     0.22 0.28 Experimental Wood & Trigila 2001
Alkali Basalt Clinopyroxene 73 Ta 0.04       Phenocryst-Matrix Villemant et al. 1981
Alkali Basalt Ilmenite 73 Ta 1.7       Phenocryst-Matrix Zack & Brumm 1998
Alkali Basalt Leucite 73 Ta 0.27 0.07     Experimental Wood & Trigila 2001
Alkali Basalt Olivine 73 Ta 0.03       Phenocryst-Matrix Villemant et al. 1981
Alkali Basalt Plagioclase 73 Ta     0.04 0.08 Phenocryst-Matrix Villemant et al. 1981
Alkali Olivine Basalt Spinel 73 Ta     0.02 0.14 Experimental Horn et al. 1994
Andesite Amphibole 73 Ta 0.59       Phenocryst-Matrix Bacon & Druitt 1988
Andesite Amphibole 73 Ta 0.21       Experimental Brenan et al. 1995
Andesite Clinopyroxene 73 Ta 0.43       Phenocryst-Matrix Bacon & Druitt 1988
Andesite Ilmenite 73 Ta 6.6       Experimental Green & Pearson 1987
Andesite Low Calcium Pyroxene 73 Ta 0.11       Phenocryst-Matrix Bacon & Druitt 1988
Andesite Plagioclase 73 Ta 0.03       Phenocryst-Matrix Bacon & Druitt 1988
Andesite Rutile 73 Ta 44       Experimental Green & Pearson 1987
Andesite Sphene 73 Ta     15.4 19.6 Experimental Green & Pearson 1987
Andesite Sphene 73 Ta 142       Phenocryst-Matrix Luhr & Carmichael 1980
Andesite-Dacite Magnetite 73 Ta     0.03 0.26 Experimental Nielsen & Beard 2000
Basalt Amphibole 73 Ta 0.38       Calculated McKenzie & O'Nions 1991
Basalt Clinopyroxene 73 Ta     0.011 0.261 Experimental Forsythe et al. 1994
Basalt Garnet 73 Ta     0.051 0.126 Experimental Jenner et al. 1994
Basalt Magnetite 73 Ta     0.01 2.53 Calculated Nielsen 1992
Basalt Plagioclase 73 Ta     0.042 0.17 Experimental Aignertorres et al. 2007
Basalt Rutile 73 Ta     8.82   Experimental Foley et al. 2000
Basalt-Andesite Ilmenite 73 Ta 2.7       Experimental Green & Pearson 1987
Basalt-Andesite Low Calcium Pyroxene 73 Ta 0.048       Phenocryst-Matrix, Experimental Dunn & Sen 1994
Basalt-Andesite Low Calcium Pyroxene 73 Ta     0.004 0.081 Experimental Forsythe et al. 1994
Basalt-Andesite Magnetite 73 Ta 0.8       Experimental Haskin et al. 1966
Basalt-Andesite Olivine 73 Ta     0.065 0.17 Phenocryst-Matrix, Experimental Dunn & Sen 1994
Basalt-Andesite Plagioclase 73 Ta     0.027 0.11 Phenocryst-Matrix, Experimental Dunn & Sen 1994
Basalt-Andesite Sphene 73 Ta     10.8 18.9 Experimental Green & Pearson 1987
Basalt-Hawaiite Clinopyroxene 73 Ta 0.08       Phenocryst-Matrix Lemarchand et al. 1987
Basalt-Hawaiite Magnetite 73 Ta 0.23       Phenocryst-Matrix Lemarchand et al. 1987
Basaltic Andesite Amphibole 73 Ta     0.021 0.19 Experimental Green et al. 1993
Basanite Amphibole 73 Ta 0.08       Experimental Green et al. 1993
Basanite Amphibole 73 Ta     0.083 0.24 Experimental Adam & Green 2006
Basanite Clinopyroxene 73 Ta     0.0022 0.021 Experimental Adam & Green 2006
Basanite Garnet 73 Ta     0.0017 0.0022 Experimental Adam & Green 2006
Basanite Mica 73 Ta     0.062 0.078 Experimental Adam & Green 2006
Basanite Olivine 73 Ta     0.0002 0.0004 Experimental Adam & Green 2006
Basanite Orthopyroxene 73 Ta 0.0008 0.0002     Experimental Adam & Green 2006
Basanite-Basalt Amphibole 73 Ta 0.09       Experimental Adam et al. 1993
Basanite-Basalt Amphibole 73 Ta 0.074 0.015     Experimental Dalpe & Baker 1994
Basanite-Basalt Clinoyroxene 73 Ta     0.014 0.019 Experimental Green et al. 2000
Basanite-Basalt Garnet 73 Ta     0.044 0.061 Experimental Green et al. 2000
Basanite-Basalt Low Calcium Pyroxene 73 Ta 0.02       Experimental Green et al. 1993
Basanite-Basalt Phlogopite 73 Ta 0.11 0.005     Experimental Green et al. 2000
Basanite-Hawaiite Amphibole 73 Ta 0.19       Phenocryst-Matrix Lemarchand et al. 1987
Basanite-Hawaiite Plagioclase 73 Ta 0.03       Phenocryst-Matrix Lemarchand et al. 1987
Calc Alkaline Picrite, Basalt Clinopyroxene 73 Ta 0.02       Experimental Ulmer 1989
Calc Alkaline Picrite, Basalt Garnet 73 Ta 0.04       Experimental Ulmer 1989
Calc Alkaline Picrite, Basalt Low Calcium Pyroxene 73 Ta       0.01 Experimental Ulmer 1989
Calc Alkaline Picrite, Basalt Olivine 73 Ta       0.01 Experimental Ulmer 1989
Calc-Alkaline Andesite Olivine 73 Ta 0.01       Phenocryst-Matrix Villemant 1988
Carbonatite Amphibole 73 Ta 0.13       Experimental Green et al. 1993
Carbonatite Amphibole 73 Ta     0.3 0.86 Experimental Sweeney et al. 1992
Carbonatite Apatite 73 Ta     0.006 0.008 Experimental Klemme 2003
Carbonatite Baddeleyite 73 Ta     7.7 9 Experimental Klemme 2003
Carbonatite Garnet 73 Ta     0.07 0.095 Experimental Sweeney et al. 1992
Carbonatite Low Calcium Pyroxene 73 Ta 0.03       Experimental Green et al. 1993
Dacite Ca-Amphibole 73 Ta     0.27 0.38 Experimental Klein et al. 1997
Dacite Plagioclase 73 Ta     0.027 0.092 Phenocryst-Matrix Dudas et al. 1971
Dacite-Tonalite Pargasite, Amphibole 73 Ta     0.17 1.6 Experimental Hilyard et al. 2000
Eclogite Clinopyroxene 73 Ta     2.4 6.6 Experimental Stalder et al. 1998
Eclogite Garnet 73 Ta     2.3 7.3 Experimental Stalder et al. 1998
Eclogite Pyrope 73 Ta     0.6 1 Experimental Stalder et al. 1998
FCMAS Clinopyroxene 73 Ta 0.0047 0.0004     Experimental Vanwestrenen et al. 2000
FCMAS Garnet 73 Ta     0.01 0.024 Experimental Vanwestrenen et al. 2000
Garnet Garnet 73 Ta     0.032 0.12 Experimental Vanwestrenen et al. 1999
Garnet Pyroxenite Garnet 73 Ta       0.008 Phenocryst-Matrix Zack et al. 1997
Garnet Pyroxenite, Basalt Clinopyroxene 73 Ta 0.008 0.002     Experimental Elkins et al. 2008
Garnet Pyroxenite, Basalt Spinel 73 Ta 0.0004 0.0001     Experimental Elkins et al. 2008
Haplobasalt, Basalt Rutile 73 Ta 16.6       Experimental Wendlandt 1990
Haplobasalt, Basalt Rutile 73 Ta 5       Experimental Wendlandt 1990
Hawaiite Olivine 73 Ta 0.02       Phenocryst-Matrix Lemarchand et al. 1987
High Na-Al Basalt Clinopyroxene 73 Ta 0.053 0.16     Experimental Blundy et al. 1998
High Na-Al Basalt Plagioclase 73 Ta 0.023 0.01     Experimental Blundy et al. 1998
High Silica Rhyolite Allanite 73 Ta     1.9 4.4 Phenocryst-Matrix Mahood & Hildreth 1983
High Silica Rhyolite Biotite 73 Ta     1.31 1.36 Phenocryst-Matrix Mahood & Hildreth 1983
High Silica Rhyolite Clinopyroxene 73 Ta 0.101       Phenocryst-Matrix Mahood & Hildreth 1983
High Silica Rhyolite Clinopyroxene 73 Ta     0.29 2.8 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Fayalite, Olivine 73 Ta 0.098       Phenocryst-Matrix Mahood & Hildreth 1983
High Silica Rhyolite Fayalite, Olivine 73 Ta     0.5 1.6 Phenocryst-Matrix Michael 1988
High Silica Rhyolite Ferrohedenbergite, Clinopyroxene 73 Ta     0.42 1.8 Phenocryst-Matrix Michael 1988
High Silica Rhyolite Ilmenite 73 Ta 18       Phenocryst-Matrix Mahood & Hildreth 1983
High Silica Rhyolite K-Feldspar 73 Ta     0.0045 0.029 Phenocryst-Matrix Mahood & Hildreth 1983
High Silica Rhyolite K-Feldspar 73 Ta     0.0007 0.029 Phenocryst-Matrix Stix & Gorton 1990
High Silica Rhyolite Low Calcium Pyroxene 73 Ta     0.72 1.29 Phenocryst-Matrix Mahood & Hildreth 1983
High Silica Rhyolite Magnetite 73 Ta     1.4 3.71 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Magnetite 73 Ta     0.74 2.73 Phenocryst-Matrix Mahood & Hildreth 1983
High Silica Rhyolite Plagioclase 73 Ta     0.034 0.063 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Zircon 73 Ta     40.2 54.8 Phenocryst-Matrix Mahood & Hildreth 1983
Lamproite Clinopyroxene 73 Ta       0.014 Phenocryst-Matrix Foley & Jenner 2004
Lamproite Leucite 73 Ta 0.0078       Phenocryst-Matrix Foley & Jenner 2004
Lamproite Olivine 73 Ta 0.0011       Phenocryst-Matrix Foley & Jenner 2004
Lamprophyre Biotite 73 Ta 0.1069       Phenocryst-Matrix Foley et al. 1996
Latite Biotite 73 Ta 0.97       Phenocryst-Matrix Villemant 1988
Latite Clinopyroxene 73 Ta     0.05 0.33 Phenocryst-Matrix Villemant 1988
Latite Olivine 73 Ta 0.01       Phenocryst-Matrix Villemant 1988
Latite Plagioclase 73 Ta 0.02       Phenocryst-Matrix Villemant 1988
Lunar Basalt Ferropseudobrookite 73 Ta     1 2.7 Experimental Klemme et al. 2006
Lunar Basalt Ilmenite 73 Ta     0.76 2.7 Experimental Klemme et al. 2006
Lunar Basalt Karrooite 73 Ta 1.2 0.2     Experimental Klemme et al. 2006
Lunar Basalt Orthopyroxene 73 Ta 0.008 0.0007     Experimental Klemme et al. 2006
Lunar Basalt Spinel 73 Ta 0.95 0.19     Experimental Klemme et al. 2006
Mugearite Amphibole 73 Ta 0.39       Phenocryst-Matrix Lemarchand et al. 1987
Mugearite Clinopyroxene 73 Ta 0.23       Phenocryst-Matrix Lemarchand et al. 1987
Mugearite Magnetite 73 Ta 0.29       Phenocryst-Matrix Lemarchand et al. 1987
Mugearite Olivine 73 Ta 0.02       Phenocryst-Matrix Lemarchand et al. 1987
Mugearite Plagioclase 73 Ta 0.07       Phenocryst-Matrix Lemarchand et al. 1987
Na2O¿CaO¿MgO¿Al2O3¿SiO2 Clinopyroxene 73 Ta     0.06 0.407 Experimental Hill et al. 2000
Panterllerite Amphibole 73 Ta 0.3       Phenocryst-Matrix Mahood & Stimac 1990
Panterllerite Clinopyroxene 73 Ta 0.014       Phenocryst-Matrix Mahood & Stimac 1990
Panterllerite-Trachyte Apatite 73 Ta 0.05       Phenocryst-Matrix Mahood & Stimac 1990
Panterllerite-Trachyte Plagioclase 73 Ta       0.001 Phenocryst-Matrix Mahood & Stimac 1990
Per-Aluminous Granite Biotite 73 Ta 29.1       Phenocryst-Matrix Bea et al. 1994
Per-Aluminous Granite Cordierite 73 Ta 0.06       Phenocryst-Matrix Bea et al. 1994
Per-Aluminous Granite K-Feldspar 73 Ta 0.49   0.49   Phenocryst-Matrix Bea et al. 1994
Per-Aluminous Granite Plagioclase 73 Ta 0.13       Phenocryst-Matrix Bea et al. 1994
Rhyolite Amphibole 73 Ta 0.43       Phenocryst-Matrix Bacon & Druitt 1988
Rhyolite Biotite 73 Ta     1.2 1.9 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Clinopyroxene 73 Ta 0.5       Phenocryst-Matrix Bacon & Druitt 1988
Rhyolite Clinopyroxene 73 Ta     0.09 0.57 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Ilmenite 73 Ta 106       Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Ilmenite 73 Ta     64 85 Phenocryst-Matrix, PIXE Stimac & Hickmott 1994
Rhyolite K-Feldspar 73 Ta 0.015   0.015   Phenocryst-Matrix Leeman & Phelps 1981
Rhyolite K-Feldspar 73 Ta     0.001 0.02 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Low Calcium Pyroxene 73 Ta 0.11       Phenocryst-Matrix Bacon & Druitt 1988
Rhyolite Low Calcium Pyroxene 73 Ta     0.13 0.2 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Magnetite 73 Ta 1.2       Phenocryst-Matrix Bacon & Druitt 1988
Rhyolite Magnetite 73 Ta     2.3 4.5 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Plagioclase 73 Ta 0.03       Phenocryst-Matrix Bacon & Druitt 1988
Rhyolite Plagioclase 73 Ta     0.02 0.05 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite-Dacite K-Feldspar 73 Ta     0.001 0.01 Phenocryst-Matrix Stix & Gorton 1990
Spinel Lherzolite Clinopyroxene 73 Ta     0.0024 0.019 Experimental Lundstrom et al. 1998
Subduction Zone Fluid Zoisite 73 Ta       10.1 Experimental Feineman et al. 2007
Syenite Amphibole 73 Ta     0.22 0.99 Phenocryst-Matrix Marks et al. 2004
Syenite Clinopyroxene 73 Ta     0.21 0.5 Phenocryst-Matrix Marks et al. 2004
Synthetic Basalt Clinopyroxene 73 Ta     0.03 0.06 Experimental Dunn 1988
Synthetic Basalt Clinopyroxene 73 Ta 0.012 0.005     Experimental Klemme et al. 2002
Synthetic Basalt Clinopyroxene 73 Ta     0.056 0.52 Experimental Bennett et al. 2004
Synthetic Basalt Garnet 73 Ta     0.08 0.108 Experimental Bennett et al. 2004
Synthetic Basalt Garnet 73 Ta 0.004 0.002     Experimental Klemme et al. 2002
Synthetic Basalt Rutile 73 Ta     24 195 Experimental Klemme et al. 2005
Synthetic Basalt Rutile 73 Ta 36       Experimental Bennett et al. 2004
Synthetic CATS, Doped Ca-Perovskite 73 Ta     5.3 3.6 Experimental Corgne & Wood 2005
Synthetic CMAST Ca-Perovskite 73 Ta     0.47 0.3 Experimental Corgne et al. 2005
Synthetic CMAST Mg Perovskite 73 Ta     0.1 0.3 Experimental Corgne et al. 2005
Tholeiitic Basalt Clinopyroxene 73 Ta     0.0019 0.022 Experimental Green et al. 2000
Tholeiitic Basalt Garnet 73 Ta     0.0025 0.019 Experimental Green et al. 2000
Tholeiitic Basalt Garnet 73 Ta     0.06 0.15 Experimental Green et al. 1989
Tholeiitic Basalt Orthopyroxene 73 Ta 0.0025 0.0004     Experimental Green et al. 2000
Tonalite Amphibole 73 Ta     0.27 0.38 Experimental Klein et al. 1997
Tonalite Garnet 73 Ta 0.22       Experimental Jenner et al. 1994
Tonalite Rutile 73 Ta 99.5       Experimental Jenner et al. 1994
Tonalite Rutile 73 Ta     8.03 24.9 Experimental Foley et al. 2000
Trachyandesite Amphibole 73 Ta 0.56       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Anhydrite 73 Ta 0.12       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Apatite 73 Ta 142       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Low Calcium Pyroxene 73 Ta 0.159       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Magnetite 73 Ta 0.28       Phenocryst-Matrix Luhr et al. 1984
Trachyandesite Plagioclase 73 Ta 0.027       Phenocryst-Matrix Luhr et al. 1984
Trachyte Amphibole 73 Ta 1.02       Phenocryst-Matrix Lemarchand et al. 1987
Trachyte Biotite 73 Ta     0.74 1.02 Phenocryst-Matrix Villemant 1988
Trachyte Clinopyroxene 73 Ta       0.04 Phenocryst-Matrix Mahood & Stimac 1990
Trachyte Clinopyroxene 73 Ta 0.47       Phenocryst-Matrix Lemarchand et al. 1987
Trachyte Clinopyroxene 73 Ta     0.05 0.24 Phenocryst-Matrix Villemant 1988
Trachyte Magnetite 73 Ta 2.2       Phenocryst-Matrix Mahood & Stimac 1990
Trachyte Magnetite 73 Ta 2.55       Phenocryst-Matrix Lemarchand et al. 1987
Trachyte Olivine 73 Ta       0.01 Phenocryst-Matrix Mahood & Stimac 1990
Trachyte Olivine 73 Ta 0.14       Phenocryst-Matrix Lemarchand et al. 1987
Trachyte Plagioclase 73 Ta     0.01 0.03 Phenocryst-Matrix Villemant 1988
Trachyte Plagioclase 73 Ta 0.03       Phenocryst-Matrix Lemarchand et al. 1987
Trachyte Rutile 73 Ta 44.7       Experimental Green & Pearson 1987
Trachyte Sphene 73 Ta     14 18.3 Experimental Green & Pearson 1987
Trachyte-Basalt Clinopyroxene 73 Ta     0.02 0.03 Phenocryst-Matrix Villemant 1988
Trachyte-Phonolite Biotite 73 Ta 0.33       Phenocryst-Matrix Villemant 1988
Trachyte-Phonolite Clinopyroxene 73 Ta 0.03       Phenocryst-Matrix Villemant 1988
Ultrabasic, Peridotite Metal 73 Ta       1.51 Experimental Kilburn & Wood 1997
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