Souris-Red-Rainy


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Oxide and cation compositions of feldspar grains from drill core of the Duluth Complex, Minnesota

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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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Major, minor, and trace element compositions of bulk drill core samples from the Duluth Complex

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Estimates of mineral abundances based on Rietveld refinement of X-ray diffraction data from mill tailings and other ore processing materials

Results of mineral abundance estimates based on Rietveld refinement of X-ray diffraction (XRD) analyses of mill tailings and other ore processing materials from worldwide localities. Data are provided in CSV format.

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Geochemical characterization of solid media from three watersheds that transect the basal contact of the Duluth Complex, northeastern Minnesota

Geochemical analyses of bedrock, soil, streambed sediment, and surface-water samples were collected and analyzed in three watersheds that cross the basal part of the Duluth Complex, northeastern Minnesota to document regional water quality in areas of potential base-metal mining, Data are provided in Microsoft Excel and CSV formats.

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Thin section images of drill core and hand samples from the South Kawishiwi Intrusion, Duluth Complex, Minnesota

Lithologic and textural information for hand samples and drill core from this rock body, to study copper-nickel-platinum-group element mineralization that occurs at this locality. Data are provided in JPG and CR2 formats.

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Global Geochemical Database for Critical Minerals in Archived Mine Samples

Chemistry and geologic information for historic ore and ore-related rock samples from mineral deposits in the United States and from archetypal deposits from 27 other countries. Data are provide in Microsoft Access, Microsoft Excel, and CSV formats.

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Solid and aqueous geochemistry for mill tailings and other ore processing materials

Geochemical analyses of solid mill tailings and other ore processing materials from worldwide localities, and leachates from those samples. Data are provided in CSV format.

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Structural measurements and their calculated surface traces, South Kawishiwi area, Duluth Complex, Minnesota

Structural measurements taken from this area and surface traces of the structural measurements. Data are provided in shapefile format.

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Updated aeromagnetic and gravity anomaly compilations and elevation-bathymetry models over Lake Superior

New gravity and magnetic compilations and elevation-bathymetry models compiled for the Lake Superior region, providing continuous sets of observations for geologic interpretations spanning political boundaries such as US States and the US-Canada border where bedrock geology is largely concealed beneath glacial deposits and surface water. Data are provide in GeoTiff, GXF, and CSV (for gravity station data) formats.

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Ground conductivity measurements at selected National Wildlife Refuges, Montana and North Dakota, 2017-2018

Shallow subsurface electrical conductivity mapped at selected U.S. Fish and Wildlife Service managed lands in northeast Montana and northwest North Dakota in the winters of 2017 and 2018. Data are provided in CSV format, locations are provided in shapefile format.

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Dataset for mineral resource inventory of North Dakota

Compilation of previously published data on the distribution and character of mineral resources in this area. Data are provided in GeoTiff and shapefile formats.

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Airborne magnetic survey over northeast North Dakota, 2000-2001

High-resolution, high-sensitivity aeromagnetic data to assess the area for anomalies and magnetic features pertaining to the local geology. Flight lines were spaced 0.25 miles (400 meters) apart in an east-west alignment. Data are provided in CSV and GeoTIFF formats.

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