单词 | skomerite |
释义 | skomerite [`skäm·ǝ´rīt] PETROLOGY A fine-grained, compact extrusive rock containing microscopic grains and crystals of augite, olivine, and phenocrysts of decomposed plagioclase (probably albite) in a groundmass of plagioclase, thought to be more calcic than the phenocrysts. |
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