Uranium Resource Evaluation Sherman Quadrangle Texas Oklahoma

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Hobday, David K.
Rose, Floyd G ., Jr.

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Uranium favorability of the Sherman Quadrangle, Texas and Oklahoma, was evaluated using National Uranium Resource Evaluation criteria. Surface and subsurface geologic studies were supplemented by aerial radiometric surveys and hydrogeochemical and stream-sediment reconnaissance studies. A total of 1,537 rock, soil, and stream-sediment samples were analyzed for 30 elements.

Environments favorable for sandstone-type uranium deposits are present in the Cretaceous Antlers and Woodbine Formations, Pennsylvanian arkoses, and the Permian Wichita-Albany Group.

Antlers Formation: Locally radioactive; rock, stream-sediment, and ground-water samples show uranium enrichment. Dip-oriented sand belts may contain subsurface uranium deposits. Pennsylvanian Arkoses: Derived from a favorable Wichita Mountain source, were highly permeable, and contain downdip reductants; gamma-ray logs show some anomalies. Permian Wichita-Albany Group: Contains small uranium occurrences. Woodbine Formation: Had an excellent uranium source in updip volcaniclastic correlatives, good permeability, and organic precipitants. However, there's little direct evidence of uranium occurrences. Environments considered unfavorable for uranium deposits include:

Limestones and shales of Cambrian to Pennsylvanian age Pennsylvanian sandstones derived from a Ouachita source Lower Cretaceous shales, limestones, and sandstones Upper Cretaceous marine strata Sparse Cenozoic sediments Unevaluated environments include Precambrian granites and metasediments of the buried Muenster Arch.


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