Moreover, the lacustrine gypsum deposits indicate that the climate had been changed into colder and drier.

  • 同时, 湖相地层中出现晶形完整的石膏晶体,说明该区在这一时期内气候变冷且转为干旱.

  • 网络文摘精选 2025-01-18 12:45:22

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