Geology and Mineral Deposits of the Keweenaw Peninsula and Vicinity, Michigan

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Description The area of this data set includes the classic geology and mineral deposits of the Keweenaw Peninsula, renowned for the occurrence of great volumes of Middle Proterozoic flood basalts and the world's largest concentration of native copper. Native copper
Originators Cannon, William F.; McRae, Michele E.; and Nicholson, Suzanne W.
Publication U.S. Geological Survey Open-File Report 99-0149

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