The fundamental rock of the ancient Yangtze plate consists mainly of the Archeozoic gray gneiss, the Lower and Middle Proterozoic komatiite and greenstone, and the Upper Proterozoic ophiolite and greenstone.

 
  • 古扬子块基底岩石主要为太古宙灰色片麻岩,古、中元古代科马提绿岩,新元古代蛇绿岩绿岩组成。
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