The stability of Ca-Na pyroxene in low-grade metabasites of high- pressure intermediate facies series.

S. Maruyama, J. G. Liou

    Research output: Contribution to journalArticlepeer-review

    31 Citations (Scopus)

    Abstract

    Minor metamorphic Ca-Na pyroxene occurs as minute crystals and as thin rims around primary augites in metabasites intermediate between the prehnite-pumpellyite and pumpellyite-actinolite facies in the Sanbagawa belt, Shikoku, Japan. From the mineral parageneses in the metabasites of the Sanbagawa belt and elsewhere, it is concluded that the Ca-Na pyroxenes occur within a restricted P-T space between the prehnite-pumpellyite and pumpellyite-actinolite facies. -J.A.Z.

    Original languageEnglish
    Pages (from-to)16-29
    Number of pages14
    JournalAmerican Mineralogist
    Volume70
    Issue number1-2
    Publication statusPublished - Jan 1 1985

    ASJC Scopus subject areas

    • Geophysics
    • Geochemistry and Petrology

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