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Rare Earth Elements

Arizona is new frontier in search for vital 'rare earth' elements

Arizona is new frontier in search for vital 'rare earth' elements

The periodic table lists 17 rare-earth minerals. Clockwise from top left is allanite, containing cerium; agardite containing yttrium; lanthanite containing neodymium used in alloys for permanent magnets and glass; and davidite, known to be found in Pima County, which has lanthanum, used in o…

March 24, 2013 12:00 amLoading…
Arizona is new frontier in search for vital 'rare earth' elements

Arizona is new frontier in search for vital 'rare earth' elements

A growing global concern about supplies of "rare earth" elements for computers, hybrid cars and other staples of everyday life has sparked exploration in Arizona and across the Southwest.

March 24, 2013 12:00 am Photos

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Big pollution risk seen in rare-earth mining

Pulling rare-earth elements from deep underground carries the potential for big financial rewards - and big environmental risks.

March 24, 2013 12:00 amLoading…

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