Aerial gamma ray and magnetic survey: Des Moines quadrangle, Iowa. Final report

Technical Report · Sun Feb 01 04:00:00 EST 1981

DOI:https://doi.org/10.2172/6620924· OSTI ID:6620924

The Des Moines quadrangle covers 7030 square miles in the heart of the Midwestern Physiographic Province. Though primarily Quaternary glacially related deposits are exposed, the region contains a thin to moderate thickness of older Phanerozoic sediments atop the shallow Precambrian basement. No uranium deposits are known within the area. Of the 109 anomalies defined by the interpretation processes, none were considered significant, and all appeared to relate to specific features of cultural origin. Concentrations of the measured radioactive elements were found to be relatively low. Magnetic data suggest complexities in the Precambrian basement rather than structures in the Phanerozoic strata.

• Research Organization: EG and G GeoMetrics, Sunnyvale, CA (USA)
• DOE Contract Number: AC13-76GJ01664
• OSTI ID: 6620924
• Report Number(s): GJBX-62(81)
• Country of Publication: United States
• Language: English

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