The eastern reef island area, with shallow seawater, is higher parts of Xisha apophysis, where the basement is directly covered with reef facies carbonate rocks.

  • 东部岛礁区为西沙隆起的较高部位,海水较浅,基底之上直接覆盖礁相沉积地层。

  • 互联网摘选 2025-01-19 23:26:52

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