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 K-Feldspar 21 Sc 0.029   0.029   Phenocryst-Matrix Leeman & Phelps 1981
Rhyolite K-Feldspar 37 Rb 0.4   0.4   Phenocryst-Matrix Leeman & Phelps 1981
Rhyolite K-Feldspar 40 Zr 0.36   0.36   Phenocryst-Matrix Leeman & Phelps 1981
Rhyolite K-Feldspar 55 Cs 0.024   0.024   Phenocryst-Matrix Leeman & Phelps 1981
Rhyolite K-Feldspar 56 Ba 22   22   Phenocryst-Matrix Leeman & Phelps 1981
Rhyolite K-Feldspar 57 La 0.129   0.129   Phenocryst-Matrix Leeman & Phelps 1981
Rhyolite K-Feldspar 58 Ce 0.065   0.065   Phenocryst-Matrix Leeman & Phelps 1981
Rhyolite K-Feldspar 60 Nd 0.054   0.054   Phenocryst-Matrix Leeman & Phelps 1981
Rhyolite K-Feldspar 62 Sm 0.026   0.026   Phenocryst-Matrix Leeman & Phelps 1981
Rhyolite K-Feldspar 63 Eu 9.06   9.06   Phenocryst-Matrix Leeman & Phelps 1981
Rhyolite K-Feldspar 65 Tb 0.018   0.018   Phenocryst-Matrix Leeman & Phelps 1981
Rhyolite K-Feldspar 70 Yb 0.015   0.015   Phenocryst-Matrix Leeman & Phelps 1981
Rhyolite K-Feldspar 71 Lu 0.012   0.012   Phenocryst-Matrix Leeman & Phelps 1981
Rhyolite K-Feldspar 72 Hf 0.034   0.034   Phenocryst-Matrix Leeman & Phelps 1981
Rhyolite K-Feldspar 73 Ta 0.015   0.015   Phenocryst-Matrix Leeman & Phelps 1981
Rhyolite K-Feldspar 90 Th 0.022   0.022   Phenocryst-Matrix Leeman & Phelps 1981
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