Metamorphic basement of the jiangnan Proterozoic Paleo-island arc mainly consists of low-grade metamorphic volcanic sedimentary rocks.

  • 江南元古宙古岛弧的基底变质岩主要由浅变质的岛弧火山—沉积岩系组成.

  • 互联网摘选 2025-01-19 08:56:04

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