Home » The Gogebic Iron Range?a Sample of the Northern Margin of the Penokean Fold and Thrust Belt by U.S. Department of the Interior
The Gogebic Iron Range?a Sample of the Northern Margin of the Penokean Fold and Thrust Belt U.S. Department of the Interior

The Gogebic Iron Range?a Sample of the Northern Margin of the Penokean Fold and Thrust Belt

U.S. Department of the Interior

Published March 4th 2014
ISBN : 9781496082695
Paperback
52 pages
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 About the Book 

The Gogebic iron range is an elongate belt of Paleoproterozoic strata extending from the west shore of Lake Gogebic in the upper peninsula of Michigan for about 125 km westward into northern Wisconsin. It is one of six major informally named ironMoreThe Gogebic iron range is an elongate belt of Paleoproterozoic strata extending from the west shore of Lake Gogebic in the upper peninsula of Michigan for about 125 km westward into northern Wisconsin. It is one of six major informally named iron ranges in the Lake Superior region and produced about 325 million tons of direct-shipping ore between 1887 and 1967. A significant resource of concentrating-grade ore remains in the western and eastern parts of the range.