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by Stratigraphy.net
New from Snet: Lithologs, a new tool to create lithological/sedimentological logs online..

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China Controls Rare Earth Elements Supply

Recently economist Paul Krugman complained that “China accounts for 97 percent of the world’s supply of minerals that play an essential role in many high-tech products, including military equipment.” He was writing about Rare Earth Elements (REE). There are 17 naturally occurring rare earth elements: yttrium, scandium, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, [...]

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