…Such pigeonite is often found in lunar basalts. Subcalcic augite is very rare and is always a metastable phase. Pyroxferroite, which was first discovered in lunar basalts, is a pyroxene, but its chemical composition is almost (Ca 0 . 15 Fe 0 . 85 ) SiO 3 , which is also a metastable phase. … *Some of the terminology explanations that mention "subcalcic augite" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…月の玄武岩にもそのようなピジョン輝石がしばしば見られる。サブカルシックオージャイトsubcalcic augiteはごくまれで,すべて準安定相である。また月の玄武岩中において初めて発見されたパイロクスフェロアイトpyroxferroiteは準輝石であるが,その化学組成はほぼ(Ca0.15Fe0.85)SiO3であり,これも準安定相である。… ※「subcalcic augite」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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