Abstract
The mineralogy of anhydrous minerals of peridotite and garnet clinopyroxenite of the Mt. Higasi-Akaisi peridotite mass, Japan, is described. The subsolidus equilibria among garnet, clinopyroxene, orthopyroxene and olivine are discussed in terms of composition range of solid solutions and of Fe-Mg partition. It is concluded that the anydrous minerals of this mass equilibrated at lower temperatures than any of well studied peridotite-garnet clinopyroxenite association. The tentative estimation gives 5–600° C and 7–13 Kb as the physical conditions of equilibration. Comparison with similar associations from other occurrences and geological implications are briefly discussed.
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Mori, T., Banno, S. Petrology of peridotite and garnet clinopyroxenite of the Mt. Higasi-Akaisi mass, central Sikoku, Japan — Subsolidus relation of anhydrous phases. Contr. Mineral. and Petrol. 41, 301–323 (1973). https://doi.org/10.1007/BF00372169
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DOI: https://doi.org/10.1007/BF00372169