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
Low Silica Rhyolite Amphibole 25 Mn     5.3 15.6 Phenocryst-Matrix Ewart & Griffin 1994
Low Silica Rhyolite Amphibole 26 Fe     7.6 20.2 Phenocryst-Matrix Ewart & Griffin 1994
Low Silica Rhyolite Amphibole 28 Ni     4 11.5 Phenocryst-Matrix Ewart & Griffin 1994
Low Silica Rhyolite Amphibole 29 Cu     0.49 1.4 Phenocryst-Matrix Ewart & Griffin 1994
Low Silica Rhyolite Amphibole 30 Zn     2.61 6.99 Phenocryst-Matrix Ewart & Griffin 1994
Low Silica Rhyolite Amphibole 31 Ga     0.78 1.22 Phenocryst-Matrix Ewart & Griffin 1994
Low Silica Rhyolite Amphibole 32 Ge     1.4 2.4 Phenocryst-Matrix Ewart & Griffin 1994
Low Silica Rhyolite Amphibole 37 Rb     0.028 0.37 Phenocryst-Matrix Ewart & Griffin 1994
Low Silica Rhyolite Amphibole 38 Sr     0.25 1.13 Phenocryst-Matrix Ewart & Griffin 1994
Low Silica Rhyolite Amphibole 39 Y     4 45.2 Phenocryst-Matrix Ewart & Griffin 1994
Low Silica Rhyolite Amphibole 40 Zr     0.53 0.91 Phenocryst-Matrix Ewart & Griffin 1994
Low Silica Rhyolite Amphibole 41 Nb     1.5 6.7 Phenocryst-Matrix Ewart & Griffin 1994
Low Silica Rhyolite Amphibole 56 Ba     0.16 0.92 Phenocryst-Matrix Ewart & Griffin 1994
Low Silica Rhyolite Amphibole 82 Pb     0.25 0.61 Phenocryst-Matrix Ewart & Griffin 1994
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