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Bedrock Geology Map and Cu-Ni Mineralization Data for the Basal Contact of the Duluth Complex West of Birch Lake, St. Louis and Lake Countiues, Northeastern Minnesota

Peterson, Dean M; Patelke, Richard L; Severson, Mark J (University of Minnesota Duluth, 2004)
This map is the outcome of eight days of field mapping by Dean M. Peterson in 2001 (Peterson, 2002e), and 6 days of mapping by the authors in 2002. The discovery of large (hundreds of meters long) gossanous expanses of ...

Bedrock Geology and Lode Gold Prospect Data Map of the Mud Creek Road Area, Northern St. Louis County, Minnesota

Peterson, Dean M; Patelke, Richard L (University of Minnesota Duluth, 2004)
Gold mineralization in northeastern Minnesota occurs in numerous prospects east of Lake Vermilion in rocks of the Bass Lake sequence (Peterson and Jirsa, 1999) of the Neoarchean Wawa Subprovince of the Canadian Shield. ...

Archean Geology of the Minnesota River Valley Sacred Heart to Morton Geology

Grant, James A; Oreskovich, Julie A (University of Minnesota Duluth, 2016-12)