National uranium resource evaluation: Williams quadrangle, Arizona
Geologic environments of the Williams Quadrangle, Arizona, were evaluated for uranium favorability by means of literature research, uranium-occurrence investigation and other surface studies, subsurface studies, aerial radiometric data, hydrogeochemical data, and rock-sample analytic data. Favorability criteria are those of the National Uranium Resource Evaluation program. Three geologic environments are favorable for uranium: the Tertiary fluvial rocks of the Colorado Plateau where they unconformably overlie impermeable bed rock (for channel-controlled peneconcordant deposits); collapse breccia pipes in Paleozoic strata of the Colorado Plateau (for vein-type deposits in sedimentary rocks); and Precambrian crystalline rocks of the Hualapai, Peacock, and Aquarius Mountains, and Cottonwood and Grand Wash Cliffs (for magmatic-hydrothermal deposits). Unfavorable geologic environments are: Tertiary and Quaternary volcanic rocks, Tertiary and Quaternary sedimentary rocks of the Colorado Plateau, nearly all Paleozoic and Mesozoic sedimentary rocks, and the Precambrian-Cambrian unconformity of the Grand Wash Cliffs area. Tertiary rocks in Cenozoic basins and Precambrian crystalline rocks in the Grand Canyon region and in parts of the Aquarius Mountains and Cottonwood and Grand Wash Cliffs are unevaluated.
- Research Organization:
- Bendix Field Engineering Corp., Grand Junction, CO (USA). Grand Junction Operations
- DOE Contract Number:
- AC13-76GJ01664
- OSTI ID:
- 6512054
- Report Number(s):
- GJQ-009(81)
- Country of Publication:
- United States
- Language:
- English
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CHEMICAL ANALYSIS
DATA
ELEMENTS
EXPERIMENTAL DATA
EXPLORATION
GAMMA SPECTROSCOPY
GEOCHEMICAL SURVEYS
GEOLOGIC DEPOSITS
GEOLOGIC FORMATIONS
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