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单词 miarolitic
释义
miarolitic

Geology and Earth Sciences
  • Applied to a texture found in shallow, level, plutonic, igneous rocks and characterized by void spaces or pockets with outlines shaped by neighbouring crystals. The texture is primary representing entrapment of gas segregated by vesiculation (see vesicle) of the late-stage magma during the final stages of crystallization of the intrusive body.


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