Reports

Rare Earths in European Shales: A Redetermination

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Science  28 Oct 1966:
Vol. 154, Issue 3748, pp. 507-509
DOI: 10.1126/science.154.3748.507

Abstract

The rare-earth elements in a composite of European shales originally analyzed by Minami in 1935 have been analyzed by neutron activation. The apparent europium deficiency and the differences in relative elemental abundances for the rare earths from American and Russian sediments, as in ferred from the older values, are obviated.

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