英语词汇“porphyroblast”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

单词	porphyroblast
释义	por·phyr·o·blast (pôr-fîrə-blăst′) n. A large crystal that is surrounded by a fine-grained matrix in a metamorphic rock and forms from the recrystallization of existing mineral crystals during metamorphism. [PORPHYR(Y) + —BLAST.]
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