Rare earth elements are an easy-to-find, hard-to-refine resource critical for everything from magnets and electronics to ...

OAKLAND — The difference in mining methods will have a lot to do with how the ground above the mine comes out, two experts told a crowd of area people in a potential mining hotbed Tuesday. Subsidence, ...

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A team of geologists analyzed 3,500 samples taken in and around coal mines in Utah and Colorado. Their findings open the possibility that these mines could see a secondary resource stream in the form ...