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 - 1985
Externally publishedYes

ASJC Scopus subject areas

  • Geophysics
  • Geochemistry and Petrology

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