Hydrogeochemical and stream sediment detailed geochemical survey for Wichita Uplift Region, Oklahoma

Technical Report · Thu Feb 28 23:00:00 EST 1980

OSTI ID:5529917

Butz, T R; Switek, J; Rutledge, D A; Bard, C S; Helgerson, R N; Grimes, J G

Results of the Wichita Uplift detailed geochemical survey are reported. Field and laboratory data are reported for 540 groundwater and 425 stream sediment samples. Radiometric analyses for uranium, thorium, and potassium are reported for 135 rock samples. Statistical and areal distributions of uranium and possible uranium-related variables are provided. A generalized geologic map of the survey area is provided and pertinent geologic factors which may be of significance in evaluating the potential for uranium mineralization are briefly discussed. For groundwater samples, evidence provided by a weighted sums analysis of uranium, arsenic, and molybdenum and by areal distribution of selenium indicates three areas with potential for uranium mineralization. One area is located along the Jackson-Tillman county line just north of the Red River and another area is located to the north in east central Jackson County. Favorability is indicated by high values for uranium, arsenic, and molybdenum and nearby wells with high selenium values. Another promising area occurs in Kiowa and Greer Counties. Groundwater with high values for the uranium weighted sums model and selenium in this area have high values for salinity indicators, suggesting that the groundwaters are influenced by brines from local oil fields. The stream sediment data indicate that the most promising area for potential uranium mineralization is the southern Wichita Mountains area. The deposits consist of heavy and residual mineral placers. High concentrations of uranium-bearing minerals in stream sediments in this region may indicate vein-type or pegmatite deposits in granites in the southern Wichita Mountains, and suggest that the Wichita Uplift area may act as a good source environment for uranium.

• Research Organization: Oak Ridge Gaseous Diffusion Plant, TN (USA)
• DOE Contract Number: W-7405-ENG-26
• OSTI ID: 5529917
• Report Number(s): GJBX-66(80); K/UR-31
• Country of Publication: United States
• Language: English

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