论文部分内容阅读
(除非特别注明,否则文中数据单位均为REO吨)一、美国国内稀土生产及应用概况2012年,美国有一家公司进行稀土矿的开采。氟碳铈矿是一种稀土氟碳酸盐矿物,在加州作为初级产品开采。芒廷帕斯生产的稀土精矿被进一步加工成稀土化合物和金属产品。2012年美国继续保持稀土产品主要消费国、出口国和进口国地位。2012年美国稀土冶炼产品进口额大约为6.15亿美元,比2011年的8.02亿美元有所
(Unless otherwise specified, all data units in this paper are REO tonnes.) I. Overview of Rare Earth Production and Applications in the United States In 2012, a company in the United States started mining rare earth mines. Bastnaesite is a rare earth fluorocarbon mineral that is mined as a primary product in California. The rare earth concentrates produced at Mountain Pass are further processed into rare earth compounds and metal products. In 2012, the United States continued to maintain its position as a major consumer of rare earth products, exporter and importer. US imports of rare earth smelting products in 2012 amounted to approximately 615 million U.S. dollars, up from 802 million U.S. dollars in 2011