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A quantitative model of ground-water flow during formation of tabular sandstone uranium deposits

Economic Geology

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Abstract

Presents a quantitative simulation of regional groundwater flow during uranium deposition in the Westwater Canyon Member and Jackpile Sandstone Member of the Upper Jurassic Morrison Formation in the San Juan basin. Topographic slope, shoreline position, and density contrasts in the lake and pore fluids controlled the directions of flow and recharge-discharge areas. The most important results for uranium ore deposit formation are that regional groundwater discharged throughout the basin, regional discharge was concentrated along the shore line or playa margin, flow was dominantly gravity driven, and compaction dewatering was negligible. A strong association is found between the tabular sandstone uranium deposits and major inferred zones of mixed local and regional groundwater discharge. -from Author

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
A quantitative model of ground-water flow during formation of tabular sandstone uranium deposits
Series title:
Economic Geology
Volume
89
Issue:
2
Year Published:
1994
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Economic Geology
First page:
341
Last page:
360
Number of Pages:
20