National Uranium Resource Evaluation: Green Bay Quadrangle, Wisconsin

Technical Report · Wed Sep 01 04:00:00 EDT 1982

OSTI ID:6983106

Fitzsimonds, M R; Delaney, H J; Bogart, L E; Silling, R M; Readdy, L A

The Green Bay Quadrangle, Wisconsin, was evaluated to a depth of 1500 m (5000 ft) to identify and delineate areas favorable for the occurrence of uranium deposits. Seven uranium occurrences reported in previously published literature and two new occurrences identified during this study were located, described, and sampled. General geologic surface reconnaissance, ground radiometric measurements, and geochemical sampling were completed in all geologic environments within the quadrangle. Aerial radiometric data and hydrogeochemical and stream-sediment reconnaissance data were analyzed, and followup studies of anomalies were conducted. Potential environments were evaluated in the subsurface using descriptive logs of well cuttings. The results of this investigation suggest that several plutons within the Precambrian Y Wolf River Batholith are favorable for the occurrence of uranium deposits. Ten geologic environments appear unfavorable. Detailed evaluation of four environments was precluded because of glacial cover and lack of subsurface data defining the character of these environments at depth. These environments exhibit numerous characteristics favorabe for the occurrence of uranium but require further subsurface evaluation to adequately determine their favorability.

• Research Organization: Golder Associates, Inc., Kirkland, WA (USA)
• DOE Contract Number: AC13-76GJ01664
• OSTI ID: 6983106
• Report Number(s): PGJ/F-093-82; ON: DE83001221
• Country of Publication: United States
• Language: English

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