National Uranium Resource Evaluation: Death Valley Quadrangle, California and Nevada

Technical Report · Wed Sep 01 04:00:00 EDT 1982

OSTI ID:6726838

Berridge, W C

The Death Valley quadrangle, California and Nevada, was evaluated for geologic environments favorable for uranium deposits in accordance with criteria developed for the National Uranium Resource Evaluation program. Reconnaissance radiometric and geochemical surveys were conducted in all geologic environments open to evaluation. Detailed surface and subsurface investigations were conducted in potential host and source environments. Subsurface data collected by private industry were obtained for all favorable environments. The results of this investigation indicate environments favorable for fluviolacustrine deposits in the Coso Formation of Tertiary age; metamorphosed lagoonal deposits in the Limekiln Spring member of the Kingston Peak Formation of late Precambrian age; and hydroallogenic and pneumatogenic deposits in Miocene rhyolites related to the Bullfrog Hills caldera. Environments in the quadrangle considered unfavorable for uranium deposits are plutonic rocks of Mesozoic age; sedimentary rocks of Precambrian, Paleozoic, Mesozoic, and Tertiary ages (other than those of the Coso Formation); volcanic rocks of Tertiary age (other than those of the Bullfrog caldera); and metamorphic rocks of Precambrian and Mesozoic ages (other than those of the Kingston Peak Formation). Substantial portions of the quadrangle remain unevaluated because of restricted access or lack of sufficient subsurface data.

• Research Organization: Bendix Field Engineering Corp., Grand Junction, CO (USA). Grand Junction Operations
• DOE Contract Number: AC13-76GJ01664
• OSTI ID: 6726838
• Report Number(s): PGJ/F-083-82; ON: DE83000765
• Country of Publication: United States
• Language: English

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