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Here's a view overlooking Molycorp's facility in Mountain Pass, Calif., the only rare earth element mine in the United States.
Molycorp, which plans to officially reopen its rare-earth mine in California this week, buys a company which can manufacture neodymium-based alloys for permanent magnets from the minerals it mines.
The planned joint venture would bring manufacturing of rare earth alloys and magnets to the U.S.
Molycorp said Mark Smith's departure from the company, which mines minerals that are crucial ingredients for mobile phones, was unrelated to a regulatory investigation into the company's public disclosures.
Molycorp Minerals seeks to reopen a California mine to extract rare earth elements, a group of metals used for magnets and batteries in hybrid vehicles, wind turbines, and other green technologies.
How are these unusual minerals extracted from the ground and why is that process an environmental risk? CNET's Jay Greene explains.
Chevron's Questa mine Superfund site to become 1-megawatt solar farm, providing power to rural New Mexico communities in Taos, Colfax, and Rio Arriba counties.
Nations are pressing for solutions to concerns China may be exploiting stranglehold on metals crucial in the making of portable phones, wind turbines.
It was once an obscure topic only for geologists. But China's control over rare earth elements used in green- and high-tech equipment is causing alarm as the nation cuts exports.
The Energy Department issues a report that outlines the risks from being overdependent on China for minerals considered crucial for high-tech products and clean-energy technologies.