National Uranium Resource Evaluation, Tonopah quadrangle, Nevada
The Tonopah Quadrangle, Nevada, was evaluated using National Uranium Resource Evaluation criteria to identify and delineate areas favorable for uranium deposits. Investigations included reconnaissance and detailed surface geologic and radiometric studies, geochemical sampling and evaluation, analysis and ground-truth followup of aerial radiometric and hydrogeochemical and stream-sediment reconnaissance data, and subsurface data evaluation. The results of these investigations indicate environments favorable for hydroallogenic uranium deposits in Miocene lacustrine sediments of the Big Smoky Valley west of Tonopah. The northern portion of the Toquima granitic pluton is favorable for authigenic uranium deposits. Environments considered unfavorable for uranium deposits include Quaternary sediments; intermediate and mafic volcanic and metavolcanic rocks; Mesozoic, Paleozoic, and Precambrian sedimentary and metasedimentary rocks; those plutonic rocks not included within favorable areas; and those felsic volcanic rocks not within the Northumberland and Mount Jefferson calderas.
- Research Organization:
- Bendix Field Engineering Corp., Grand Junction, CO (USA)
- DOE Contract Number:
- AC13-76GJ01664
- OSTI ID:
- 5367976
- Report Number(s):
- PGJ/F-128(82); ON: DE82015180
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
AERIAL SURVEYING
DATA ANALYSIS
EVALUATION
FEDERAL REGION IX
GEOCHEMICAL SURVEYS
GEOLOGIC DEPOSITS
GEOLOGICAL SURVEYS
GEOPHYSICAL SURVEYS
IGNEOUS ROCKS
MINERAL RESOURCES
NEVADA
NORTH AMERICA
PLUTONIC ROCKS
RADIOMETRIC SURVEYS
RESOURCES
ROCKS
SEDIMENTS
STREAMS
SURFACE WATERS
SURVEYS
URANIUM DEPOSITS
USA