Until the 1980s, the United States led the world in rare earth production, thanks largely to the Mountain Pass mine.
1980年以前，美国主导世界稀土产品，主要得益于帕斯山的矿井。
Meanwhile, the urgency has prompted Molycorp to raise $500m through a public offering to get its Mountain Pass mine restarted.
同时，稀土紧张局面促使Molycorp公司通过公开发行债券方式筹集5亿资金，重启帕斯山稀土矿。
Molycorp intends to produce 3, 000 to 5, 000 tons of rare earths from stockpiled ore at its Mountain Pass mine this year and has big expansion plans.
Molycorp公司计划今年以它在帕斯山矿井储存的矿石生产3000到5000吨稀土，同时有了大的扩建计划。
The one active mine in the United States, operated by the company Molycorp in Mountain Pass, California, halted production in 1998 after a radioactive-waste spill and was shuttered four years later.
加利福尼亚芒廷山口的一座美国钼业工司的稀土矿因为1998年的一场核废料泄露事故，在2002年就被关闭了。
Heavy metalwork: a new separation facility is being built at Molycorp's mine in Mountain Pass, California.
重金属作业：莫利集团的矿脉位于加州的帕斯山脉，一架崭新的分离装置正组建于此。
Heavy metalwork: a new separation facility is being built at Molycorp's mine in Mountain Pass, California.
重金属作业：莫利集团的矿脉位于加州的帕斯山脉，一架崭新的分离装置正组建于此。
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