According to field geological mapping ( scale 1:10000) and comprehensive study in laboratory, the major archaeozoic rocks are intermediate-acid intrusives, which were metamorphosed into the felsic gneisses.

  • 在野外1∶10000地质填图及室内研究工作基础上,认为夹皮沟地区太古代主体岩石是中酸性侵入体(TTG),已变质成为长英质片麻岩。

  • 互联网摘选 2025-01-19 23:46:48

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