The groundmass has the same mineral components as phenocryst, and is composed of plagioclase, augite and olivine.

  • 电子探针成分分析显示,基质矿物组成与斑晶矿物组成相同,均是由斜长石、辉石和橄榄石组成;

  • 互联网摘选 2025-01-19 23:33:56

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