The skarn wolfram deposits are formed in granite contact zone and crack of stratum. The porphyry and quartz vein molybdenum deposits are formed in porphyritic granite bodies and fissure vein.

  • 小柳沟矿区有着三(多)位一体的成矿系列,岩体外接触带和地层层间裂隙形成以夕卡岩型为主的白钨矿,岩体内部及岩体顶部形成斑岩型和石英脉型钼矿。

  • 互联网摘选 2025-01-19 22:40:51

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