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Isotopic fractionation of uranium in sandstone

Science

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Abstract

Relatively unoxidized black uranium ores from sandstone deposits in the western United States show deviations in the uranium-235 to uranium-234 ratio throughout a range from 40 percent excess uranium-234 to 40 percent deficient uranium-234 with respect to a reference uranium-235 to uranium-234 ratio. The deficient uranium-234 is leached preferentially to uranium-238 and the excess uranium-234 is believed to result from deposition of uranium-234 enriched in solutions from leached deposits.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Isotopic fractionation of uranium in sandstone
Series title:
Science
Volume
139
Issue:
3551
Year Published:
1963
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Science
First page:
224
Last page:
226