摘要
[Data in metric tons of rare-earth oxide(REO)equivalent content unless otherwise noted]Source:USGS Prepared by Joseph Gambogi1.Domestic Production and Use Rare earths were mined by one company in 2014.Bastnaesite,a fluorocarbonate mineral,was mined andprocessed into concentrates and rare-earth compounds at Mountain Pass,CA.The United States continued to be a net importer of rare-earth products in 2014.The estimated value of rare-earth metals and
[Data in metric tons of rare-earth oxide（REO）equivalent content unless otherwise noted]Source：USGS Prepared by Joseph Gambogi1.Domestic Production and Use Rare earths were mined by one company in 2014.Bastnaesite,a fluorocarbonate mineral,was mined andprocessed into concentrates and rare-earth compounds at Mountain Pass,CA.The United States continued to be a net importer of rare-earth products in 2014.The estimated value of rare-earth metals and compounds imported by the United States in 2014 was $210 million, a decrease from $256 million imported in 2013.
