天然における準安定相の生成と消滅

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書誌事項

タイトル別名
  • Appearence and Disappearence of Metastable Phases in Natural Crystallization.
  • テンネン ニ オケル ジュンアンテイソウ ノ セイセイ ト ショウメツ

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抄録

Formation of a thermodynamically metastable phase instead of a stable phase during crystallization has been interpreted by the Ostwald step rule. The rule was applied to natural crystallization of minerals in complex systems in the present paper. Phase transition from a metastable to stable phases and/or two dimensional nucleation of a stable phase on a pre-existing metastable phase are possible during growth of a metastable phase. Disappearence of a metastable phase is therefore strongly related to these processes, resulting in the formation of complex textures in grown crystals. The complex texture in cordierites from hornfels was then interpreted based on the growth and transformation of a metastable phase.

収録刊行物

  • 鉱物学雜誌

    鉱物学雜誌 27 (3), 129-135, 1998

    一般社団法人　日本鉱物科学会

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