Experimental Study of Pyroxene Equilibria in the System CaO—MgO—FeO—SiO2
摘要：
Subsolidus phase equilibria of pyroxenes in the CaO—MgO—FeO—SiOsystem have been experimentally determined at 30 and 15 kb, and mainly at 1200 °C. While phase relations at 30 kb and 1200 °C are characterized only by orthopyroxene and clinopyroxene, at 15 kb and 1200 °C phase relations are complicated by the appearance of the two-clinopyroxene miscibility gap. The stability of Ca-free clinopyroxene was demonstrated at 15 kb and 1200 °C and higher temperatures, and at 30 kb and 1450 °C.
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DOI：
10.1093/petrology/19.1.45
被引量：
年份：
1978
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