2021 U.S. rare earth industry summaries

Rare earths1(Data in metric tons of rare-earth-oxide(REO) equivalent unless otherwise noted)Daniel J. Cordier U.S. Geological Survey Domestic Production and Use: Rare earths were mined domestically in 2021. Bastnaesite(or bastn?site), a rare earth fluorocarbonate mineral, was mined as a primary product at a mine in Mountain Pass,