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 41 Nb 0.0077       Phenocryst-Matrix Zack & Brumm 1998
Alkali Basalt Clinopyroxene 41 Nb     0.06 0.14 Experimental Wood & Trigila 2001
Alkali Basalt Ilmenite 41 Nb 2       Phenocryst-Matrix Zack & Brumm 1998
Alkali Olivine Basalt Spinel 41 Nb     0.02 0.15 Experimental Horn et al. 1994
Andesite Amphibole 41 Nb 0.2       Experimental Brenan et al. 1995
Andesite Clinopyroxene 41 Nb       2.1 Phenocryst-Matrix Ewart & Griffin 1994
Andesite Ilmenite 41 Nb 4.6       Experimental Green & Pearson 1987
Andesite Low Calcium Pyroxene 41 Nb       0.78 Phenocryst-Matrix Ewart & Griffin 1994
Andesite Olivine 41 Nb 0.11       Phenocryst-Matrix Ewart & Griffin 1994
Andesite Plagioclase 41 Nb       1.3 Phenocryst-Matrix Ewart & Griffin 1994
Andesite Rutile 41 Nb 26.5       Experimental Green & Pearson 1987
Andesite Sphene 41 Nb     5.3 7.6 Experimental Green & Pearson 1987
Andesite-Dacite Magnetite 41 Nb     0.048888889 0.180645161 Experimental Nielsen & Beard 2000
Basalt Amphibole 41 Nb 0.8       Calculated McKenzie & O'Nions 1991
Basalt Armalcolite 41 Nb 1.4       Experimental McCallum & Charette 1978
Basalt Ca-Perovskite 41 Nb     0.1 2.3 Experimental Kato et al. 1988
Basalt Clinopyroxene 41 Nb 0.119       Experimental Johnson 1998
Basalt Clinopyroxene 41 Nb     0.004 0.065 Experimental Forsythe et al. 1994
Basalt Clinopyroxene 41 Nb 0.05       Calculated McKenzie & O'Nions 1991
Basalt Clinopyroxene 41 Nb     0.01 0.03 Experimental McCallum & Charette 1978
Basalt Clinopyroxene 41 Nb 0.008       Phenocryst-Matrix, Experimental Keleman & Dunn 1992
Basalt Clinopyroxene 41 Nb 0.004       Experimental Johnson 1994
Basalt Clinopyroxene 41 Nb 0.06       Experimental Johnson & Kinzler 1989
Basalt Clinopyroxene 41 Nb 0.004       Experimental Jenner et al. 1994
Basalt Clinopyroxene 41 Nb 0.0081       Experimental Hauri et al. 1994
Basalt Clinopyroxene 41 Nb 0.0077       Experimental Hart & Dunn 1993
Basalt Garnet 41 Nb 0.0042       Experimental Johnson 1994
Basalt Garnet 41 Nb 0.24       Experimental Johnson 1998
Basalt Garnet 41 Nb 0.0538       Experimental Hauri et al. 1994
Basalt Garnet 41 Nb     0.015 0.03 Experimental Jenner et al. 1994
Basalt Garnet 41 Nb 0.01       Phenocryst-Matrix, Experimental Keleman & Dunn 1992
Basalt Ilmenite 41 Nb 0.8       Experimental McCallum & Charette 1978
Basalt Low Calcium Pyroxene 41 Nb 0.003       Phenocryst-Matrix, Experimental Keleman & Dunn 1992
Basalt Magnetite 41 Nb     0.01 1.8 Calculated Nielsen 1992
Basalt Olivine 41 Nb 0.01       Calculated McKenzie & O'Nions 1991
Basalt Plagioclase 41 Nb 0.01       Calculated McKenzie & O'Nions 1991
Basalt Plagioclase 41 Nb       0.01 Experimental McCallum & Charette 1978
Basalt Plagioclase 41 Nb     0.002 0.0925 Experimental Bindeman et al. 1998
Basalt Plagioclase 41 Nb     0.029 0.139 Experimental Aignertorres et al. 2007
Basalt Rutile 41 Nb 16       Experimental McCallum & Charette 1978
Basalt Rutile 41 Nb 136       Experimental Foley et al. 2000
Basalt, Peridotite Clinopyroxene 41 Nb     0.008 0.045 Experimental Salters & Longhi 1999
Basalt, Peridotite Garnet 41 Nb     0.004 0.038 Experimental Salters & Longhi 1999
Basalt, Peridotite Orthopyroxene 41 Nb     0 0.0033 Experimental Salters & Longhi 1999
Basalt-Andesite Ilmenite 41 Nb 2.3       Experimental Green & Pearson 1987
Basalt-Andesite Low Calcium Pyroxene 41 Nb 0.27       Phenocryst-Matrix, Experimental Dunn & Sen 1994
Basalt-Andesite Low Calcium Pyroxene 41 Nb     0.004 0.018 Experimental Forsythe et al. 1994
Basalt-Andesite Magnetite 41 Nb 0.7       Experimental Haskin et al. 1966
Basalt-Andesite Olivine 41 Nb     0.0016 0.0065 Phenocryst-Matrix, Experimental Dunn & Sen 1994
Basalt-Andesite Plagioclase 41 Nb     0.008 0.045 Phenocryst-Matrix, Experimental Dunn & Sen 1994
Basalt-Andesite Sphene 41 Nb     3.5 5.7 Experimental Green & Pearson 1987
Basaltic Andesite Amphibole 41 Nb     0.026 0.21 Experimental Green et al. 1993
Basanite Amphibole 41 Nb     0.069 0.21 Experimental Adam & Green 2006
Basanite Amphibole 41 Nb 0.159       Experimental Latourrette et al. 1995
Basanite Amphibole 41 Nb 0.08       Experimental Green et al. 1993
Basanite Clinopyroxene 41 Nb     0.0012 0.005 Experimental Adam & Green 2006
Basanite Garnet 41 Nb     0.001 0.002 Experimental Adam & Green 2006
Basanite Mica 41 Nb     0.055 0.07 Experimental Adam & Green 2006
Basanite Olivine 41 Nb     7e-05 7e-05 Experimental Adam & Green 2006
Basanite Orthopyroxene 41 Nb 0.0007 0.0001     Experimental Adam & Green 2006
Basanite-Basalt Amphibole 41 Nb 0.08       Experimental Adam et al. 1993
Basanite-Basalt Amphibole 41 Nb 0.05 0.006     Experimental Dalpe & Baker 1994
Basanite-Basalt Biotite 41 Nb 0.088       Experimental Latourrette et al. 1995
Basanite-Basalt Clinoyroxene 41 Nb     0.0008 0.0015 Experimental Green et al. 2000
Basanite-Basalt Garnet 41 Nb     0.0003 0.2 Experimental Green et al. 2000
Basanite-Basalt Low Calcium Pyroxene 41 Nb 0.01       Experimental Green et al. 1993
Basanite-Basalt Phlogopite 41 Nb 0.021 0.0012     Experimental Green et al. 2000
Calc Alkaline Picrite, Basalt Clinopyroxene 41 Nb 0.02       Experimental Ulmer 1989
Calc Alkaline Picrite, Basalt Garnet 41 Nb 0.07       Experimental Ulmer 1989
Calc Alkaline Picrite, Basalt Low Calcium Pyroxene 41 Nb       0.01 Experimental Ulmer 1989
Calc Alkaline Picrite, Basalt Olivine 41 Nb       0.01 Experimental Ulmer 1989
Carbonatite Amphibole 41 Nb 0.06       Experimental Green et al. 1993
Carbonatite Amphibole 41 Nb     0.11 0.33 Experimental Sweeney et al. 1992
Carbonatite Apatite 41 Nb     0.004 0.006 Experimental Klemme 2003
Carbonatite Baddeleyite 41 Nb     1.6 1.8 Experimental Klemme 2003
Carbonatite Clinopyroxene 41 Nb     0.07 0.13 Experimental Klemme et al. 1995
Carbonatite Clinopyroxene 41 Nb 0.0059       Experimental Walker et al. 1992
Carbonatite Clinopyroxene 41 Nb     0.0037 0.02 Experimental Blundy & Dalton 2000
Carbonatite Garnet 41 Nb     0.012 0.023 Experimental Sweeney et al. 1992
Carbonatite Low Calcium Pyroxene 41 Nb 0.01       Experimental Green et al. 1993
Carbonatite-Silicate Clinopyroxene 41 Nb 0.0031       Calculated Walker et al. 1992
Chondritic Basalt High-Al Clinopyroxene 41 Nb     0.009 1.069 Experimental Lofgren et al. 2006
Chondritic Basalt High-Ca Kirchsteinite 41 Nb 0.003       Experimental Lofgren et al. 2006
Chondritic Basalt Low Alumunium Clinopyroxene 41 Nb     0.005 0.113 Experimental Lofgren et al. 2006
Chondritic Basalt Low Calcium Kirchsteinite 41 Nb 0.0004       Experimental Lofgren et al. 2006
Chondritic Basalt Low Calcium Pyroxene 41 Nb     0.0014 0.079 Experimental Kennedy et al. 1993
Chondritic Basalt Merrillite 41 Nb         Experimental Lofgren et al. 2006
Chondritic Basalt Olivine 41 Nb     4.1e-05 0.029 Experimental Kennedy et al. 1993
Chondritic Basalt Rhonite 41 Nb 0.095       Experimental Lofgren et al. 2006
Dacite Amphibole 41 Nb     2.5   Phenocryst-Matrix Ewart & Griffin 1994
Dacite Biotite 41 Nb     7.5   Phenocryst-Matrix Ewart & Griffin 1994
Dacite Ca-Amphibole 41 Nb     0.28 0.39 Experimental Klein et al. 1997
Dacite Plagioclase 41 Nb       2.5 Phenocryst-Matrix Ewart & Griffin 1994
Dacite-Tonalite Pargasite, Amphibole 41 Nb     0.2 1 Experimental Hilyard et al. 2000
Di-Ab-An Clinopyroxene 41 Nb     0.01 0.02 Experimental Dunn & Mccallum 1982
Eclogite Amphibole-Clinopyroxene 41 Nb     1 11.4 Mineral-Mineral Zack et al. 2002
Eclogite Clinopyroxene 41 Nb     0.007 0.01 Experimental Pertermann & Hirshmann 2002
Eclogite Clinopyroxene 41 Nb     4.6 12 Experimental Stalder et al. 1998
Eclogite Garnet 41 Nb     3.1 14.2 Experimental Stalder et al. 1998
Eclogite Paragonite, Clinopyroxene 41 Nb     2.5 11 Mineral-Mineral Zack et al. 2002
Eclogite Phengite-Clinopyroxene 41 Nb     7.9 53 Mineral-Mineral Zack et al. 2002
Eclogite Pyrope 41 Nb     1.6 2 Experimental Stalder et al. 1998
FCMAS Clinopyroxene 41 Nb 0.0062 0.0002     Experimental Vanwestrenen et al. 2000
FCMAS Garnet 41 Nb     0.0062 0.017 Experimental Vanwestrenen et al. 2000
Garnet Garnet 41 Nb     0.03 0.1 Experimental Vanwestrenen et al. 1999
Garnet Pyroxenite Amphibole 41 Nb 0.18       Phenocryst-Matrix Zack et al. 1997
Garnet Pyroxenite Garnet 41 Nb 0.0008       Phenocryst-Matrix Zack et al. 1997
Garnet Pyroxenite, Basalt Clinopyroxene 41 Nb 0.0029 0.0008     Experimental Elkins et al. 2008
Garnet Pyroxenite, Basalt Spinel 41 Nb 0.0006 0.0002     Experimental Elkins et al. 2008
Haplobasalt, Basalt Rutile 41 Nb 2.1       Experimental Wendlandt 1990
Haplobasalt, Basalt Rutile 41 Nb 13.1       Experimental Wendlandt 1990
High Na-Al Basalt Clinopyroxene 41 Nb 0.02 0.007     Experimental Blundy et al. 1998
High Na-Al Basalt Plagioclase 41 Nb 0.007 0.006     Experimental Blundy et al. 1998
High Silica Rhyolite Allanite 41 Nb 1.7       Phenocryst-Matrix Ewart & Griffin 1994
High Silica Rhyolite Amphibole 41 Nb     0.98 4.2 Phenocryst-Matrix Ewart & Griffin 1994
High Silica Rhyolite Biotite 41 Nb 9.1       Phenocryst-Matrix Ewart & Griffin 1994
High Silica Rhyolite Ilmenite 41 Nb     65.6 144 Phenocryst-Matrix Ewart & Griffin 1994
High Silica Rhyolite K-Feldspar 41 Nb     0.039 0.16 Phenocryst-Matrix Ewart & Griffin 1994
High Silica Rhyolite Low Calcium Pyroxene 41 Nb       0.31 Phenocryst-Matrix Ewart & Griffin 1994
High Silica Rhyolite Plagioclase 41 Nb     0.07 0.27 Phenocryst-Matrix Ewart & Griffin 1994
Hydrous Peridotite Garnet 41 Nb 0.05 0.02     Experimental Gaetani et al. 2003
Lamproite Clinopyroxene 41 Nb     0.0013 0.007 Phenocryst-Matrix Foley & Jenner 2004
Lamproite Clinopyroxene 41 Nb 0.004 0.0006     Experimental Schmidt et al. 1999
Lamproite Leucite 41 Nb 0.005       Phenocryst-Matrix Foley & Jenner 2004
Lamproite Olivine 41 Nb 0.0001       Phenocryst-Matrix Foley & Jenner 2004
Lamproite Phlogopite 41 Nb     0.47 0.58 Experimental Schmidt et al. 1999
Lamprophyre Biotite 41 Nb 0.0853       Phenocryst-Matrix Foley et al. 1996
Lamprophyre Clinopyroxene 41 Nb 0.0027       Experimental Foley et al. 1996
Leucitite Clinopyroxene 41 Nb       1.9 Phenocryst-Matrix Ewart & Griffin 1994
Leucitite Leucite 41 Nb 0.079       Phenocryst-Matrix Ewart & Griffin 1994
Leucitite Olivine 41 Nb 0.063       Phenocryst-Matrix Ewart & Griffin 1994
Leucitite Plagioclase 41 Nb       0.033 Phenocryst-Matrix Ewart & Griffin 1994
Lherzolite Amphibole 41 Nb     0.032 0.196 Calculated Chazot et al. 1996
Lherzolite Clinopyroxene 41 Nb     0.012 0.016 Phenocryst-Matrix Chazot et al. 1996
Low Silica Rhyolite Allanite 41 Nb 0.12       Phenocryst-Matrix Ewart & Griffin 1994
Low Silica Rhyolite Amphibole 41 Nb     1.5 6.7 Phenocryst-Matrix Ewart & Griffin 1994
Low Silica Rhyolite Biotite 41 Nb 4.6       Phenocryst-Matrix Ewart & Griffin 1994
Low Silica Rhyolite Clinopyroxene 41 Nb     0.2 1 Phenocryst-Matrix Ewart & Griffin 1994
Low Silica Rhyolite Ilmenite 41 Nb     6.58 89.1 Phenocryst-Matrix Ewart & Griffin 1994
Low Silica Rhyolite K-Feldspar 41 Nb     0.01 0.15 Phenocryst-Matrix Ewart & Griffin 1994
Low Silica Rhyolite Low Calcium Pyroxene 41 Nb     0.54 0.73 Phenocryst-Matrix Ewart & Griffin 1994
Low Silica Rhyolite Plagioclase 41 Nb     0.26 0.88 Phenocryst-Matrix Ewart & Griffin 1994
Lunar Basalt Ferropseudobrookite 41 Nb     0.96 1.89 Experimental Klemme et al. 2006
Lunar Basalt Ilmenite 41 Nb     0.55 1.9 Experimental Klemme et al. 2006
Lunar Basalt Karrooite 41 Nb 0.6 0.1     Experimental Klemme et al. 2006
Lunar Basalt Orthopyroxene 41 Nb 0.001       Experimental Klemme et al. 2006
Lunar Basalt Spinel 41 Nb 0.86 0.23     Experimental Klemme et al. 2006
Na2O¿CaO¿MgO¿Al2O3¿SiO2 Clinopyroxene 41 Nb     0.019 0.09 Experimental Hill et al. 2000
Per-Alkaline Rhyolite Amphibole 41 Nb 0.76       Phenocryst-Matrix Ewart & Griffin 1994
Per-Alkaline Rhyolite Clinopyroxene 41 Nb     0.028 0.036 Phenocryst-Matrix Ewart & Griffin 1994
Per-Alkaline Rhyolite Ilmenite 41 Nb 11.6       Phenocryst-Matrix Ewart & Griffin 1994
Per-Alkaline Rhyolite K-Feldspar 41 Nb     3.4 4.8 Phenocryst-Matrix Ewart & Griffin 1994
Per-Alkaline Rhyolite Olivine 41 Nb       0.049 Phenocryst-Matrix Ewart & Griffin 1994
Per-Alkaline Trachyte Clinopyroxene 41 Nb 0.121       Phenocryst-Matrix Larsen 1979
Per-Alkaline Trachyte Clinopyroxene 41 Nb     0.025 0.029 Phenocryst-Matrix Larsen 1979
Per-Alkaline Trachyte K-Feldspar 41 Nb 0.004   0.004   Phenocryst-Matrix Larsen 1979
Per-Alkaline Trachyte Nepheline 41 Nb 0.011       Phenocryst-Matrix Larsen 1979
Per-Alkaline Trachyte Olivine 41 Nb 0.009       Phenocryst-Matrix Larsen 1979
Per-Aluminous Granite Biotite 41 Nb 24.5       Phenocryst-Matrix Bea et al. 1994
Per-Aluminous Granite Cordierite 41 Nb 0.01       Phenocryst-Matrix Bea et al. 1994
Per-Aluminous Granite K-Feldspar 41 Nb 0.27   0.27   Phenocryst-Matrix Bea et al. 1994
Per-Aluminous Granite Plagioclase 41 Nb 0.04       Phenocryst-Matrix Bea et al. 1994
Peridotite Bulk Peridotite 41 Nb     1.6 1 Experimental Ayers et al. 1997
Peridotite, Basalt Clinopyroxene 41 Nb     0.05 1.24 Calculated Johnson & Schwab 2004
Picrite Clinopyroxene 41 Nb     0.003 0.009 Experimental Tuff & Gibson 2007
Picrite Garnet 41 Nb     0.007 0.017 Experimental Tuff & Gibson 2007
Quartz Latite Clinopyroxene 41 Nb       0.21 Phenocryst-Matrix Ewart & Griffin 1994
Quartz Latite Low Calcium Pyroxene 41 Nb     0.09 0.12 Phenocryst-Matrix Ewart & Griffin 1994
Quartz Latite Plagioclase 41 Nb     0.09 0.18 Phenocryst-Matrix Ewart & Griffin 1994
Rhyolite Biotite 41 Nb     4 9.5 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Ilmenite 41 Nb     50.9 64.2 Phenocryst-Matrix, PIXE Stimac & Hickmott 1994
Spinel Lherzolite Clinopyroxene 41 Nb     0.0028 0.006 Experimental Lundstrom et al. 1998
Subduction Zone Fluid Zoisite 41 Nb       1.56 Experimental Feineman et al. 2007
Syenite Amphibole 41 Nb     0.85 1.25 Phenocryst-Matrix Marks et al. 2004
Syenite Clinopyroxene 41 Nb     0.03 0.03 Phenocryst-Matrix Marks et al. 2004
Synthetic Basalt Clinopyroxene 41 Nb       0.008 Experimental Dunn 1988
Synthetic Basalt Clinopyroxene 41 Nb 0.021 0.005     Experimental Klemme et al. 2002
Synthetic Basalt Clinopyroxene 41 Nb     0.046 0.24 Experimental Bennett et al. 2004
Synthetic Basalt Garnet 41 Nb 0.008 0.001     Experimental Klemme et al. 2002
Synthetic Basalt Garnet 41 Nb     0.051 0.065 Experimental Bennett et al. 2004
Synthetic Basalt Rutile 41 Nb 28       Experimental Bennett et al. 2004
Synthetic Basalt Rutile 41 Nb     14.4 96 Experimental Klemme et al. 2005
Synthetic CATS, Doped Ca-Perovskite 41 Nb     1.89 1.25 Experimental Corgne & Wood 2005
Synthetic CMAST Ca-Perovskite 41 Nb     0.33 0.25 Experimental Corgne et al. 2005
Synthetic CMAST Mg Perovskite 41 Nb     0.07 0.21 Experimental Corgne et al. 2005
Synthetic Peridotite Mg Perovskite 41 Nb     0.1 1.25 Experimental Liebske et al. 2005
Tholeiitic Basalt Clinopyroxene 41 Nb         Experimental Green et al. 1989
Tholeiitic Basalt Clinopyroxene 41 Nb     0.0006 0.0067 Experimental Green et al. 2000
Tholeiitic Basalt Garnet 41 Nb     0.02 0.04 Experimental Green et al. 1989
Tholeiitic Basalt Garnet 41 Nb     0.0005 0.005 Experimental Green et al. 2000
Tholeiitic Basalt Orthopyroxene 41 Nb 0.0013 0.0003     Experimental Green et al. 2000
Tonalite Amphibole 41 Nb     0.28 0.39 Experimental Klein et al. 1997
Tonalite Rutile 41 Nb 52.6       Experimental Jenner et al. 1994
Tonalite Rutile 41 Nb     136 540 Experimental Foley et al. 2000
Trachyte Rutile 41 Nb 29.8       Experimental Green & Pearson 1987
Trachyte Sphene 41 Nb     5.4 7.6 Experimental Green & Pearson 1987
Ultrabasic, Peridotite Mg Perovskite 41 Nb 1       Calculated Kato et al. 1988
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