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Magnetic susceptibility measurements on Precambrian rocks in the Iron Mountain-Menominee region, Michigan-Wisconsin

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: May 05, 2026 at 09:49 PM | Dataset Last Updated: September 03, 2020 at 12:00 AM
The U.S. Geological Survey (USGS) collected rock magnetic susceptibility measurements to help understand causative sources of airborne magnetic survey anomalies in the Iron Mountain-Menominee region, Michigan-Wisconsin. The measurements were made on outcrop and drill core using a handheld magnetic susceptibility meter. The measurements facilitate the interpretation of aeromagnetic anomalies and help map the distribution of Precambrian rocks in the region.

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