McRae, Michele E.

About the author

U.S. Geological Survey, Western Region, Southwest area, Geology discipline
Bedrock geologic units, Geologic maps, Geologic structure, Geology, Geospatial datasets, Mineral resources, GeoscientificInformation

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

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