Airborne gamma-ray spectrometer and magnetometer survey: Rockford quadrangle (IL). Final report

Technical Report · Thu Jan 01 04:00:00 EST 1981

OSTI ID:6218898

Eleven uranium anomalies meet the minimum statistical requirements as defined in Volume I. These anomalies are tabulated and are shown on the Uranium Anomaly Interpretation Map. Potassium (%K), equivalent Uranium (ppM eU), equivalent Thorium (ppM eTh), eU/eTh, eU,K, eTh/K, and magnetic pseudo-contour maps are presented in Appendix E. Stacked Profiles showing geologic strip maps along each flight-line, together with sensor data, and ancillary data are presented in Appendix F. All maps and profiles were prepared on a scale of 1:250,000, but have been reduced to 1:500,000 for presentation in Volume II. Anomaly No. 1 is over an area underlain by the Mackinaw member (Qhm) of the Pleistocene Henry formation. Anomaly No. 2 is over an area underlain by Pleistocene Cahokia Alluvium (Qc) and the Ogle Till member (Qgo) of the Glasford formation. Anomaly No. 3 is over an area underlain by the Ogle Till member (Qgo) of the Pleistocene age. Anomaly No. 4 is over an area underlain by Ordovician Galena Black River Dolomite (Og). Anomaly No. 5 is over an area underlain by the Mackinaw member (Qhm) of the Henry formation and the Capron Till member (Qwic) of the Winnebago formation of Pleistocene ages. Anomaly No. 6 is over an area underlain by the Windlow Till member (Qgw) of the Glasford formation of Pleistocene age. Anomaly No. 7 is over an area underlain by the Argyle Till member (Qwia) o the Winnebago formation of Pleistocene age. Anomaly No. 8 is over an area underlain by the Capron Till member (Qwic) of the Winnebago formation of Pleistocene age. Anomaly No. 9 is over an area underlain by the Pleistocene Carmi member (Qcl) of the Equality formation and undifferentiated ground moraine (Qug). Anomalies No. 10 and No. 11 are over areas underlain by undifferentiated ground moraine (Qug) of Pleistocene age.

• Research Organization: High Life Helicopters, Inc., Puyallup, WA (USA); QEB, Inc., Lakewood, CO (USA)
• DOE Contract Number: AC13-79GJ01692
• OSTI ID: 6218898
• Report Number(s): GJBX-181-81-Vol.2B; ON: DE81026359
• Country of Publication: United States
• Language: English

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