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 Amphibole 25 Mn     18 21.1 Phenocryst-Matrix Ewart & Griffin 1994
High Silica Rhyolite Amphibole 26 Fe     21 35.6 Phenocryst-Matrix Ewart & Griffin 1994
High Silica Rhyolite Amphibole 29 Cu     0.77 1.5 Phenocryst-Matrix Ewart & Griffin 1994
High Silica Rhyolite Amphibole 30 Zn     7.8 11.4 Phenocryst-Matrix Ewart & Griffin 1994
High Silica Rhyolite Amphibole 31 Ga     1.15 1.77 Phenocryst-Matrix Ewart & Griffin 1994
High Silica Rhyolite Amphibole 32 Ge     2.8 3.1 Phenocryst-Matrix Ewart & Griffin 1994
High Silica Rhyolite Amphibole 37 Rb     0.021 0.046 Phenocryst-Matrix Ewart & Griffin 1994
High Silica Rhyolite Amphibole 38 Sr     0.77 14.7 Phenocryst-Matrix Ewart & Griffin 1994
High Silica Rhyolite Amphibole 39 Y     4 23.1 Phenocryst-Matrix Ewart & Griffin 1994
High Silica Rhyolite Amphibole 40 Zr     0.69 0.76 Phenocryst-Matrix Ewart & Griffin 1994
High Silica Rhyolite Amphibole 41 Nb     0.98 4.2 Phenocryst-Matrix Ewart & Griffin 1994
High Silica Rhyolite Amphibole 56 Ba     0.28 4.5 Phenocryst-Matrix Ewart & Griffin 1994
High Silica Rhyolite Amphibole 82 Pb     0.19 0.32 Phenocryst-Matrix Ewart & Griffin 1994
Click to return to previous page