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English: Conterminous United States showing the location of rock units that may contain pyrrhotite (Mauk and Horton, 2020); locations of pyrrhotite from the USGS Mineral Resources Data System database (U.S. Geological Survey, 2019); and locations of pyrrhotite from the Mindat.org database (Mindat.org, 2019).
Mauk and Horton, 2020; U.S. Geological Survery, 2019; Mindat.org, 2019
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Map of Pyrrhotite Potential Occurrences in the United States (Mauk and Horton, 2020; U.S. Geological Survery, 2019; Mindat.org, 2019).
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pyrrhotite
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copyrighted, dedicated to the public domain by copyright holder
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Creative Commons CC0 License
inception
29 April 2020
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