Solution properties of almandine-pyrope garnet as determined by phase equilibrium experiments
American Mineralogist
By: A.M. Koziol and S.R. Bohlen
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Abstract
The thermodynamic mixing properties of almandine-pyrope garnet were derived from phase equilibrium experiments at temperatures of 900 and 1000??C and pressures from 8 to 14 kbar. Almandine has essentially ideal behavior in almandine-pyrope garnet over the composition range Alm89-Alm61 at the above experimental conditions. In all experimental products a systematic partitioning of Fe and Mg between garnet and ilmenite was seen with ln Kd ??? 1.59 which was not temperature sensitive. The results support the use of garnet mixing models that incorporate ideal or nearly ideal Fe-Mg parameters. -from Authors
Suggested Citation
Koziol, A., Bohlen, S., 1992, Solution properties of almandine-pyrope garnet as determined by phase equilibrium experiments: American Mineralogist, v. 77, no. 7-8, p. 765-773.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Solution properties of almandine-pyrope garnet as determined by phase equilibrium experiments |
| Series title | American Mineralogist |
| Volume | 77 |
| Issue | 7-8 |
| Year Published | 1992 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | American Mineralogist |
| First page | 765 |
| Last page | 773 |