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
Rhyolite Biotite 21 Sc     4.9 20 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Biotite 24 Cr     8.3 31 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Biotite 25 Mn     13.6 205 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Biotite 30 Zn     42 230 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Biotite 37 Rb     2.3 4.1 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Biotite 38 Sr     0.29 0.53 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Biotite 39 Y     1 1.4 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Biotite 40 Zr     0.79 1.8 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Biotite 41 Nb     4 9.5 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Biotite 42 Mo     1.7 5.7 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Biotite 55 Cs     1.2 4.4 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Biotite 56 Ba     5.6 36 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Biotite 57 La     0.76 15.1 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Biotite 58 Ce     0.86 11 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Biotite 60 Nd     0.9 5.7 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Biotite 62 Sm     1 4.3 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Biotite 63 Eu     0.59 4.7 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Biotite 65 Tb     0.87 3.9 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Biotite 66 Dy     0.76 3.4 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Biotite 70 Yb     0.6 3 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Biotite 71 Lu     0.6 3.4 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Biotite 72 Hf     0.44 0.84 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Biotite 73 Ta     1.2 1.9 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Biotite 82 Pb     0.1 1.6 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Biotite 90 Th     0.27 2 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Biotite 92 U     0.46 1.2 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Clinopyroxene 21 Sc     44 65 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Clinopyroxene 25 Mn     23 47 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Clinopyroxene 57 La     0.76 1.7 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Clinopyroxene 58 Ce     1.2 2.9 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Clinopyroxene 60 Nd     2.3 5.2 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Clinopyroxene 62 Sm     3.6 8.3 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Clinopyroxene 63 Eu     3.2 5.8 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Clinopyroxene 65 Tb     4.6 12.9 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Clinopyroxene 66 Dy     4.5 12.3 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Clinopyroxene 70 Yb     3.5 11.6 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Clinopyroxene 71 Lu     3.3 10.7 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Clinopyroxene 72 Hf     0.37 0.97 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Clinopyroxene 73 Ta     0.09 0.57 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Clinopyroxene 90 Th     0.09 0.23 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Ilmenite 21 Sc 5.9       Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Ilmenite 24 Cr 3       Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Ilmenite 25 Mn 115       Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Ilmenite 30 Zn 125       Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Ilmenite 42 Mo 3       Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Ilmenite 57 La 7.1       Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Ilmenite 58 Ce 7.8       Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Ilmenite 60 Nd 7.6       Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Ilmenite 62 Sm 6.9       Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Ilmenite 63 Eu 2.5       Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Ilmenite 65 Tb 6.5       Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Ilmenite 66 Dy 4.9       Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Ilmenite 70 Yb 4.1       Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Ilmenite 71 Lu 3.6       Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Ilmenite 72 Hf 3.1       Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Ilmenite 73 Ta 106       Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Ilmenite 90 Th 7.5       Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Ilmenite 92 U 3.2       Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite K-Feldspar 21 Sc     0.01 0.04 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite K-Feldspar 37 Rb     1.2 2.4 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite K-Feldspar 38 Sr     4.5 7.3 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite K-Feldspar 40 Zr     0.01 0.05 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite K-Feldspar 55 Cs     0.11 0.37 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite K-Feldspar 56 Ba     4.9 24 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite K-Feldspar 57 La     0.07 0.1 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite K-Feldspar 58 Ce     0.02 0.06 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite K-Feldspar 60 Nd     0.03 0.04 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite K-Feldspar 62 Sm     0.02 0.04 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite K-Feldspar 63 Eu     3.3 6.5 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite K-Feldspar 65 Tb     0.01 0.06 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite K-Feldspar 66 Dy     0.04 0.09 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite K-Feldspar 70 Yb     0.03 0.04 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite K-Feldspar 71 Lu     0.02 0.04 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite K-Feldspar 72 Hf     0.02 0.05 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite K-Feldspar 73 Ta     0.001 0.02 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite K-Feldspar 82 Pb     0.99 4.1 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite K-Feldspar 90 Th     0.02 0.03 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite K-Feldspar 92 U     0.04 0.07 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Low Calcium Pyroxene 21 Sc 18       Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Low Calcium Pyroxene 25 Mn     41 50 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Low Calcium Pyroxene 55 Cs     0.44 0.77 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Low Calcium Pyroxene 57 La     0.72 0.84 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Low Calcium Pyroxene 58 Ce     0.87 0.99 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Low Calcium Pyroxene 60 Nd     1.2 1.3 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Low Calcium Pyroxene 62 Sm     1.5 1.7 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Low Calcium Pyroxene 63 Eu     0.81 0.84 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Low Calcium Pyroxene 65 Tb     1.8 1.9 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Low Calcium Pyroxene 66 Dy 1.8       Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Low Calcium Pyroxene 70 Yb     2 2.4 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Low Calcium Pyroxene 71 Lu     2.1 2.4 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Low Calcium Pyroxene 72 Hf     0.18 0.22 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Low Calcium Pyroxene 73 Ta     0.13 0.2 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Low Calcium Pyroxene 90 Th     0.11 0.15 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Low Calcium Pyroxene 92 U     0.12 0.17 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Magnetite 21 Sc     1.5 15.6 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Magnetite 24 Cr     54 164 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Magnetite 25 Mn     28 37 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Magnetite 30 Zn     105 110 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Magnetite 42 Mo     6 16 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Magnetite 57 La     0.8 1.9 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Magnetite 58 Ce     1.02 2.7 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Magnetite 60 Nd     1.5 3.5 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Magnetite 62 Sm     1.9 4.5 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Magnetite 63 Eu     0.44 2.1 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Magnetite 65 Tb     2 4.9 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Magnetite 66 Dy     1.6 4.4 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Magnetite 70 Yb     1 2.2 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Magnetite 71 Lu     0.91 1.5 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Magnetite 72 Hf     0.95 2.9 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Magnetite 73 Ta     2.3 4.5 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Magnetite 90 Th     0.09 0.32 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Magnetite 92 U     0.21 0.83 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Plagioclase 21 Sc     0.02 0.06 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Plagioclase 25 Mn     0.12 0.76 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Plagioclase 30 Zn     1 6.1 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Plagioclase 37 Rb     0.06 0.19 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Plagioclase 38 Sr     6.8 33 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Plagioclase 39 Y     0.04 0.21 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Plagioclase 40 Zr     0.04 0.36 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Plagioclase 55 Cs     0.02 0.18 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Plagioclase 56 Ba     0.56 3.3 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Plagioclase 57 La     0.3 0.45 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Plagioclase 58 Ce     0.21 0.34 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Plagioclase 60 Nd     0.14 0.29 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Plagioclase 62 Sm     0.11 0.23 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Plagioclase 63 Eu     3.8 7.9 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Plagioclase 65 Tb     0.09 0.19 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Plagioclase 66 Dy     0.07 0.18 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Plagioclase 70 Yb     0.06 0.13 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Plagioclase 71 Lu     0.06 0.13 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Plagioclase 72 Hf     0.06 0.29 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Plagioclase 73 Ta     0.02 0.05 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Plagioclase 82 Pb     0.42 2.2 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Plagioclase 90 Th     0.03 0.08 Phenocryst-Matrix Nash & Crecraft 1985
Rhyolite Plagioclase 92 U     0.05 0.13 Phenocryst-Matrix Nash & Crecraft 1985
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