单词	poikiloblastic
释义	poikiloblastic /ˌpɔɪkɪlə(ʊ)ˈblastɪk / adjective Geology Relating to or denoting the texture of a metamorphic rock in which small crystals of an original mineral occur within crystals of its metamorphic product.In contrast, sample Brot-Ku-Id is a fine-grained, nearly unfoliated paragneiss from a low strain domain, which contains numerous poikiloblastic garnets in a groundmass of biotite, quartz and plagioclase.... Under pétrographie investigation, the schist was found to contain large poikiloblastic staurolite grains with a xenoblastic or lepido-granoblastic texture.
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