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Geochemical exploration for uranium in playas.

Journal of Geochemical Exploration

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Abstract

Although playa sediments at spring discharge areas contain as much as 58 ppm U, evaporation and mobilization processes were found to limit their potential as resources of U. Other metals, however, such as Zn, W, and Au may have a geochemical signature in the playas. There are certain conditions that would make some playas more favorable for the accumulation of U: 1) the presence of precursor carbonate-rich saline lakes; 2) nearby U-rich source rocks; 3) restricted groundwater discharge into the playa; 4) localized precipitation mechanisms or phases in the playa;5) large drainage basins and adequate precipitation; and 6) stability of a hydrologically closed basin for a long period of time.- from Authors

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Geochemical exploration for uranium in playas.
Series title:
Journal of Geochemical Exploration
Volume
13
Issue:
2-3
Year Published:
1980
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Journal of Geochemical Exploration
First page:
251
Last page:
283
Number of Pages:
33