Hydrogeochemical and stream sediment detailed geochemical survey for Trans-Pecos, Texas. Solitario survey area. [NURE program, Solitario survey area]

Technical Report · Thu Nov 15 04:00:00 EST 1979

OSTI ID:5602595

Butz, T R; Payne, A G; Grimes, J G; Helgerson, R N; Bard, C S

Results of the Solitario survey area portion of the detailed geochemical survey for Trans-Pecos, Texas are reported. Field and laboratory data are presented for 119 groundwater and 520 stream sediment samples. Statistical and areal distributions of uranium and possible uranium-related variables are given. 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 breifly discussed. Groundwaters having concentrations of uranium greater than or equal to 11.5 ppB are observed in the western half of the survey area. These wells generally produce from the Chisos Formation and Buck Hill Volcanic Series or alluvium derived from these units. Lithium, sodium, boron, uranium/specific conductance, uranium/boron, and uranium/sulfate are noted to be most highly associated within the area of anomalously high uranium. The highest potential for uranium mineralization, in view of these groundwater data, lies in the LaVuida and Bandera Mesa areas. Stream sediments containing greater than or equal to 2.57 ppM soluble uranium occur in numerous areas within the survey area. The highest concentrations of uranium occur in sediments derived from the Buck Hill Volcanic Series and Cretaceous limestones. Above background concentrations of arsenic, selenium, molybdenum, nickel, calcium, and strontium were noted to be associated with areas of anomalously high uranium. These elements are most prominently associated with uranium anomalies occurring in Cretaceous limestone.

• Research Organization: Oak Ridge Gaseous Diffusion Plant, TN (USA)
• DOE Contract Number: EY-76-C-13-1664
• OSTI ID: 5602595
• Report Number(s): GJBX-29(80)(Pt.2); K/UR-29(Pt.2)
• Country of Publication: United States
• Language: English

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