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Science 28 October 1966:
Vol. 154. no. 3748, pp. 507 - 509
DOI: 10.1126/science.154.3748.507
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Articles

Rare Earths in European Shales: A Redetermination

Mary A. Haskin 1 and Larry A. Haskin 1

1 Department of Chemistry, University of Wisconsin, Madison

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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Science. ISSN 0036-8075 (print), 1095-9203 (online)