The scope of work for DNR Project 372 included two main tasks:
The Project 372 area comprises several townships in Northern St. Louis County, Minnesota. The Archean granite-greenstone terrane, part of the Wawa Subprovince of the Superior Province of the Canadian Shield, is covered by relatively thin layers of Rainy Lobe till. Outcrop exposure is variable, but good compared with most of Minnesota. Past sampling, maps, and reports have been produced by private mineral exploration companies, the MnDNR, the Natural Resource Research Institute, and the Minnesota Geological Surveys. From this work, Jirsa and Peterson (1999) identified 8 distinct VMS and 20 distinct gold prospects and showings.
Forty-eight till samples were collected in the Project 372 area in June-July 2008, shipped to Overburden Drilling Management, Ltd. in May 2009, and analyzed that same month. The MnDNR has a contract with ODM to process the till samples that it collects. All sample were collected at locations with State-held mineral rights. Anomalous total gold grain counts and pristine gold grain counts were obtained from Vermilion District samples both proximal to known gold occurrences and in new areas with no historical reports of gold occurrences in the public record. These results are similar to those obtained in a 2005 MDNR till sampling program within the nearby Mud Creek area of the Vermilion District.
PowerPoint Presentation: State Metallic Minerals Lease Sale, Minnesota's Vermilion Gold District. This reviews compiled mineral exploration data and identifies gold prospects within the Vermilion District
(46 pages, 10 x 7.5 inches, 3.03 MB)
Author: Don Elsenheimer
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Project 372 Data (.zip, 3.3 MB) - A zip file that includes all of the following files:
Don Elsenheimer, Ph.D
MN DNR - Lands and Minerals
500 Lafayette Road
St. Paul, Minnesota 55155-4045
tel. (651) 259-5433
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