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     0.065 0.081 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Amphibole 19 K 24.2       Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Amphibole 21 Sc     5.8 6.3 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Amphibole 26 Fe     11 11.9 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Amphibole 37 Rb     0.0077 0.014 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Amphibole 38 Sr     0.0224 0.094 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Amphibole 56 Ba     0.044 0.054 Phenocryst-Matrix Nagasawa & Schnetzler 1971
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 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 70 Yb     1.89 9 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Amphibole 71 Lu     1.75 6.3 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Apatite 58 Ce 16.6       Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Apatite 60 Nd 21       Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Apatite 62 Sm 20.7       Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Apatite 63 Eu 14.5       Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Apatite 64 Gd 21.7       Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Apatite 66 Dy 16.9       Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Apatite 68 Er 14.1       Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Apatite 70 Yb 9.4       Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Apatite 71 Lu 7.9       Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Low Calcium Pyroxene 3 Li     0.16 0.21 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Low Calcium Pyroxene 12 Mg     48.5 50.6 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Low Calcium Pyroxene 19 K     0.00055 0.0023 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Low Calcium Pyroxene 20 Ca     0.55 1.04 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Low Calcium Pyroxene 25 Mn     29.2 33.7 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Low Calcium Pyroxene 37 Rb     0.00048 0.0027 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Low Calcium Pyroxene 38 Sr     0.0085 0.046 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Low Calcium Pyroxene 56 Ba     0.0025 0.0029 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Low Calcium Pyroxene 58 Ce 0.362       Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Low Calcium Pyroxene 58 Ce     0.082 0.262 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Low Calcium Pyroxene 60 Nd 0.94       Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Low Calcium Pyroxene 60 Nd     0.113 0.348 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Low Calcium Pyroxene 62 Sm 1.52       Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Low Calcium Pyroxene 62 Sm     0.133 0.384 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Low Calcium Pyroxene 63 Eu     0.093 0.27 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Low Calcium Pyroxene 63 Eu 1.11       Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Low Calcium Pyroxene 64 Gd     0.17 0.276 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Low Calcium Pyroxene 66 Dy 2.63       Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Low Calcium Pyroxene 66 Dy     0.26 0.55 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Low Calcium Pyroxene 68 Er     0.431 0.73 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Low Calcium Pyroxene 68 Er 2.25       Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Low Calcium Pyroxene 70 Yb 2.01       Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Low Calcium Pyroxene 70 Yb     0.73 0.99 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Low Calcium Pyroxene 71 Lu     0.76 1.14 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Low Calcium Pyroxene 71 Lu 1.81       Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Plagioclase 3 Li     0.27 0.66 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Plagioclase 11 Na     1.59 1.66 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Plagioclase 19 K     0.076 0.1 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Plagioclase 20 Ca     3.85 4.25 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Plagioclase 37 Rb     0.016 0.041 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Plagioclase 38 Sr     1.45 4.4 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Plagioclase 56 Ba     0.304 0.308 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Plagioclase 58 Ce     0.109 0.347 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Plagioclase 60 Nd     0.061 0.29 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Plagioclase 62 Sm     0.05 0.153 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Plagioclase 63 Eu     0.82 2.81 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Plagioclase 64 Gd 0.129       Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Plagioclase 66 Dy     0.059 0.452 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Plagioclase 68 Er     0.029 0.38 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Plagioclase 70 Yb     0.022 0.302 Phenocryst-Matrix Nagasawa & Schnetzler 1971
Dacite Plagioclase 71 Lu     0.022 0.29 Phenocryst-Matrix Nagasawa & Schnetzler 1971
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