The Upper Triassic Formation is sub-abysmal basinal facies deposit in the south and north depressions. A black shale layer developed.

  • 上三叠统在南、北坳陷为次深海盆地相沉积,发育一套黑色页岩烃源层;

  • 互联网摘选 2025-01-20 12:11:40

    • 相关例句
    精确
    • 模糊
    • 词首
    • 词尾
    • 词义
    • 例句