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Digital bedrock geologic map of the Ashland and northern part of the Ironwood 30' x 60' quadrangles, Wisconsin and Michigan
Geologic units and structural features, GIS data files |
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| Oxide and cation compositions of feldspar grains from drill core of the Duluth Complex, Minnesota | Info |
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Chemistry, morphology, modal mineralogy, and photomicrographs of amphiboles and other minerals in the Ironwood Iron-Formation, Gogebic Iron Range, Wisconsin, USA
Information related to amphibole and other minerals in order that commercial, regulatory, and other entities may obtain a better understanding of their impact on potential resource development. Data are provided in Microsoft Excel CSV, annotated PDF reports including microphotographs and analytical results, and JPEG formats. |
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Magnetotelluric data from Minnesota, Wisconsin, and Upper Michigan, 2015-2019
Magnetotelluric stations collected from 2015-2019 across parts of Minnesota, Wisconsin and the Upper Peninsula of Michigan to support regional investigations into the geologic and tectonic framework of the area and to support mineral resource investigations. |
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