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Title: Aerial gamma ray and magnetic survey: Minnesota Project, Cheboygan and Alpena quadrangles, Michigan. Final report. [No known deposits within the study area]

Technical Report ·
OSTI ID:5602528

The Cheboygan and Alpena 1/sup 0/ x 2/sup 0/ quadrangles of Michigan are covered almost everywhere (United States only) with Wisconsin age glacial deposits (moraines, outwash, leak deposits, etc.) of variable thickness. Where exposed, bedrock is of Early and Middle Paleozoic age, and consists almost entirely of limestone and dolomite. There are no uranium deposits (or occurrences) known within the study area, though the Elliot Lake quartz pebble conglomerate uranium deposit lies to the north in the Canadian section of the Blind River quadrangle. Magnetic data illustrate relative depth to magnetic basement in the area. Higher frequency/amplitude wavelengths in the eastern and northern sections of the lower peninsula may be a reflection of the lithologic character of the Precambrian bedrock. Twenty-four groups of uranium samples were defined as anomalies and are discussed briefly in this report. None of them are considered significant.

Research Organization:
EG and G GeoMetrics, Sunnyvale, CA (USA)
DOE Contract Number:
EY-76-C-13-1664
OSTI ID:
5602528
Report Number(s):
GJBX-39(80)(Vol.2)(Cheboygan); TRN: 80-004924
Country of Publication:
United States
Language:
English