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島根大学地球資源環境学研究報告 Volume 19
published_at 2000-12-25
Chemical compositions of the constituent minerals of the Gazo mass, a tectonic block in the Sambagawa metamorphic belt, Besshi district, central Shikoku, Japan
Sakurai Tsuyoshi
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The Gazo mass is an eclogite−bearing tectonic block within the Sambagawa metamorphic belt，central Shikoku，Japan．Chemical compositions of constituent minerals in pelitic and basic schists and eclogites from the Gazo mass have been analyzed by EPMA．Garnets contain < 13 mol% of the pyrope molecule and < 35 mol% grossular Clinopyroxenes are aregirine-augite and omphacite．Amphiboles are both sodic-calcic（magnesiokatophorite，katophorite，magnesiotaramite，taramite and barroisite）and calcic（edenite，ferredenite and magnesiohornblende）．The white micas present are paragonite and phengite．
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https://doi.org/10.24568/3269
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PP. 101 - 112
PP. 113 - 125