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In 1958, it became owned by American Potash and Chemical Company (AMPOT), [11] which at one point had a 'Lindsay Chemical Division.' [4] In 1967, AMPOT, and thus the facility, were bought by Kerr-McGee. The Rare Earths Facility were closed by Kerr-McGee in 1973.
MP Materials produced 28,000 tonnes of rare-earth oxide equivalent from Mountain Pass in 2019, and 38,500 tonnes in 2020, or more than 15% of global production. [4] As of late 2020, Shenghe Resources was the sole purchaser of MP Material's rare earth concentrate.
The Mountain Pass Rare Earth Mine and Processing Facility, owned by MP Materials, is an open-pit mine of rare-earth elements on the south flank of the Clark Mountain Range in California, 53 miles (85 km) southwest of Las Vegas, Nevada. In 2020 the mine supplied 15.8% of the world's rare-earth production.
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American Elements began as a toll chemical manufacturer and refiner serving U.S. mining companies by producing metal-based chemicals from their deposits. In 1998, its two largest customers, the Unocal/Molycorp rare-earth mine in Mountain Pass, California, and the Rhodia rare-earth refinery in Freeport, Texas closed, ending domestic U.S. rare-earth production. [2]
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Thus an indication of these minerals being short in supply and allocated their title as 'rare' earth minerals. [4] Many rare-earth minerals include rare-earth elements which thus hold the same significant purpose of rare-earth minerals. [5] Earth's rare minerals have a wide range of purposes, including defense technologies and day-to-day uses. [6]
Molycorp Inc. was an American mining corporation headquartered in Greenwood Village, Colorado. [1] The corporation, which was formerly traded on the New York Stock Exchange, [2] owned the Mountain Pass rare earth mine in California. It filed for bankruptcy in June 2015 after changing competitive circumstances, declining prices on output and a ...