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January 2012
Volume 64    Issue 1

Alaska's rare earth deposit and resource potential

Mining Engineering, 2012, Vol. 64, No. 1, pp. 20-32
Barker, James C.; Van Gosen, Bradley S.


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Alaska’s known mineral endowment includes some of the largest and highest grade deposits of various metals, including gold, copper and zinc. Recently, Alaska has also been active in the worldwide search for sources of rare earth elements (REE) to replace exports now being limitedby China. Driven by limited supply of the rare earths, combined with their increasing use in new ‘green’ energy, lighting, transportation, and many other technological applications, the rare earth metals neodymium, europium and, in particular, the heavy rare earth elements terbium, dysprosium and yttrium are forecast to soon be in critical short supply (U.S. Department of Energy, 2010).



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