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
Dacite Amphibole 3 Li     0.18 0.22 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Amphibole 12 Mg     0.386 0.41 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Amphibole 19 K 24.2       Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Amphibole 19 K     0.065 0.081 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Amphibole 21 Sc     5.8 6.3 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Amphibole 21 Sc 35       Phenocryst-Matrix, SIMS Sisson 1994
Dacite Amphibole 22 Ti 3.66       Phenocryst-Matrix, SIMS Sisson 1994
Dacite Amphibole 23 V 4.92       Phenocryst-Matrix, SIMS Sisson 1994
Dacite Amphibole 24 Cr 21       Phenocryst-Matrix, SIMS Sisson 1994
Dacite Amphibole 25 Mn 15.7       Phenocryst-Matrix Ewart & Griffin 1994
Dacite Amphibole 26 Fe 22.9       Phenocryst-Matrix Ewart & Griffin 1994
Dacite Amphibole 26 Fe     11 11.9 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Amphibole 28 Ni 9.3       Phenocryst-Matrix Ewart & Griffin 1994
Dacite Amphibole 29 Cu       1.2 Phenocryst-Matrix Ewart & Griffin 1994
Dacite Amphibole 30 Zn 10.7       Phenocryst-Matrix Ewart & Griffin 1994
Dacite Amphibole 31 Ga 2.42       Phenocryst-Matrix Ewart & Griffin 1994
Dacite Amphibole 32 Ge       1.9 Phenocryst-Matrix Ewart & Griffin 1994
Dacite Amphibole 37 Rb 0.18       Phenocryst-Matrix Ewart & Griffin 1994
Dacite Amphibole 37 Rb     0.0077 0.014 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Amphibole 38 Sr 0.49       Phenocryst-Matrix, SIMS Sisson 1994
Dacite Amphibole 38 Sr 0.6       Phenocryst-Matrix Ewart & Griffin 1994
Dacite Amphibole 38 Sr     0.0224 0.094 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Amphibole 39 Y 2.46       Phenocryst-Matrix, SIMS Sisson 1994
Dacite Amphibole 39 Y 11.3       Phenocryst-Matrix Ewart & Griffin 1994
Dacite Amphibole 40 Zr 0.34       Phenocryst-Matrix, SIMS Sisson 1994
Dacite Amphibole 40 Zr 0.93       Phenocryst-Matrix Ewart & Griffin 1994
Dacite Amphibole 41 Nb     2.5   Phenocryst-Matrix Ewart & Griffin 1994
Dacite Amphibole 56 Ba 0.28       Phenocryst-Matrix Ewart & Griffin 1994
Dacite Amphibole 56 Ba     0.044 0.054 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Amphibole 57 La 0.26       Phenocryst-Matrix, SIMS Sisson 1994
Dacite Amphibole 58 Ce 0.63       Phenocryst-Matrix, SIMS Sisson 1994
Dacite Amphibole 58 Ce     0.429 1.77 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Amphibole 60 Nd     1.03 4.49 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Amphibole 60 Nd 1.24       Phenocryst-Matrix, SIMS Sisson 1994
Dacite Amphibole 62 Sm 2.38       Phenocryst-Matrix, SIMS Sisson 1994
Dacite Amphibole 62 Sm     1.61 8.2 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Amphibole 63 Eu     1.39 5.9 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Amphibole 64 Gd 2       Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Amphibole 66 Dy     2.38 14 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Amphibole 66 Dy 3.08       Phenocryst-Matrix, SIMS Sisson 1994
Dacite Amphibole 68 Er 2.34       Phenocryst-Matrix, SIMS Sisson 1994
Dacite Amphibole 70 Yb     1.89 9 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Amphibole 70 Yb 1.31       Phenocryst-Matrix, SIMS Sisson 1994
Dacite Amphibole 71 Lu     1.75 6.3 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Amphibole 82 Pb 0.53       Phenocryst-Matrix Ewart & Griffin 1994
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