mantle degassing造句

• The ratio of y / ho in ores approximates to the ratio of black chimney in tag seafloor . the ore - forming fluids show high temperature and redox characteristics . in conjunction with the geological setting of the deposit , the primary ore - forming fluids might certain higher ree and higher volatile elements derived from the mantle degassing or the alkaline volcanic magmas
  同时结合矿床形成的构造一地质环境及矿体产出的地质形态，认为迅纳厂稀七铁铜矿床可能是在昆阳裂谷初期，在碱性火山岩浆喷发的间歇期，来自地慢富稀土、挥发份的成矿流体山火山喷流一同生沉积方式形成的矿床。