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The Middle Proterozoic Duluth Complex at Duluth, Minnesota

John C. Green
John C. Green
Department of Geology, University of Minnesota, Duluth, Minnesota 55812
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January 01, 1987


The Duluth Complex underlies an area of approximately 2,265 mi2 (6500 km2), but over much of its extent it is covered by glacial deposits. Some of the best and most representative exposures are in the city of Duluth. Several outcrops are described here along the Skyline Parkway, a well-marked scenic road near the top of the slope on which Duluth is built, facing the Lake Superior Basin. They are in the West Duluth, Duluth Heights, and Duluth 7½-minute Quadrangles. The first stop is adjacent to I-35 just southwest of Duluth (Fig. 1).

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DNAG, Centennial Field Guides

North-Central Section of the Geological Society of America

Geological Society of America
ISBN electronic:
Publication date:
January 01, 1987




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