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
High Silica Rhyolite Clinopyroxene 21 Sc     96.8 140.7 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Clinopyroxene 24 Cr     4.13 14.5 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Clinopyroxene 25 Mn     25.7 38.33 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Clinopyroxene 27 Co     10 36.67 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Clinopyroxene 30 Zn     9.2 12.06 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Clinopyroxene 40 Zr     1.51 4.28 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Clinopyroxene 57 La     0.89 11.08 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Clinopyroxene 58 Ce     1.54 10.71 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Clinopyroxene 60 Nd     3.25 11.5 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Clinopyroxene 62 Sm     4.8 10.43 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Clinopyroxene 63 Eu     3.59 7.76 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Clinopyroxene 65 Tb     3.82 6.45 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Clinopyroxene 66 Dy     5.04 6.51 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Clinopyroxene 70 Yb     4.72 6.14 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Clinopyroxene 71 Lu     5.4 7.09 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Clinopyroxene 72 Hf     0.95 3.59 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Clinopyroxene 73 Ta     0.29 2.8 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Clinopyroxene 90 Th 2.65       Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Magnetite 21 Sc     6.47 7.47 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Magnetite 24 Cr     3.17 5.23 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Magnetite 25 Mn     18.49 25.9 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Magnetite 27 Co     12.89 50 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Magnetite 30 Zn     28.98 32.78 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Magnetite 40 Zr     0.88 8.45 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Magnetite 51 Sb     0.21 0.58 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Magnetite 57 La     0.22 0.98 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Magnetite 58 Ce     0.2 1.03 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Magnetite 60 Nd     0.15 1.36 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Magnetite 62 Sm     0.11 1.46 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Magnetite 63 Eu     0.13 0.99 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Magnetite 65 Tb     0.08 1.1 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Magnetite 66 Dy 1.07       Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Magnetite 70 Yb     0.09 1.28 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Magnetite 71 Lu     0.1 1.41 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Magnetite 72 Hf     0.75 8.08 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Magnetite 73 Ta     1.4 3.71 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Magnetite 90 Th     0.08 0.4 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Magnetite 92 U     0.74 0.97 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Plagioclase 24 Cr     0.48 2.35 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Plagioclase 25 Mn     0.008 0.023 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Plagioclase 27 Co     0.5 1.42 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Plagioclase 37 Rb     0.13 0.34 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Plagioclase 38 Sr     10.5 13.1 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Plagioclase 51 Sb     0.08 0.22 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Plagioclase 55 Cs     0.025 0.084 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Plagioclase 56 Ba     6.95 19.55 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Plagioclase 57 La     0.07 0.17 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Plagioclase 58 Ce     0.032 0.104 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Plagioclase 62 Sm     0.008 0.019 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Plagioclase 63 Eu     3.75 5.62 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Plagioclase 65 Tb     0.022 0.027 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Plagioclase 70 Yb     0.012 0.026 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Plagioclase 71 Lu     0.012 0.023 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Plagioclase 72 Hf     0.028 0.046 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Plagioclase 73 Ta     0.034 0.063 Phenocryst-Matrix Streck & Grunder 1997
High Silica Rhyolite Plagioclase 90 Th 0.03       Phenocryst-Matrix Streck & Grunder 1997
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