Niobium Deposits in the United States

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This U.S. Geological Survey (USGS) data release provides the descriptions of 11 U.S. sites that include mineral regions, mines, and mineral occurrences that contain enrichments of niobium (Nb). To be included in this data release, a site must have a contained resource and (or) past production of Nb metal greater than 10,000 metric tons, which was the approximate consumption of Nb in the U.S. in 2019 (U.S. Geological Survey, 2020). Sites in this dataset occur in Alaska, Arkansas, Colorado, Nebraska, and Texas.

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Karl, N.A., Knudsen, L.D., and Mauk, J.L., 2021, Niobium Deposits in the United States: U.S. Geological Survey data release, https://doi.org/10.5066/P9I4NFSN.

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Additional Info

Field	Value
Maintainer	Jeffrey Mauk
Last Updated	April 8, 2025, 11:46 (LMT)
Created	February 3, 2025, 20:58 (LMT)
AI/ML Product	no
Citation	Karl, N.A., Knudsen, L.D., and Mauk, J.L., 2021, Niobium Deposits in the United States: U.S. Geological Survey data release, https://doi.org/10.5066/P9I4NFSN.
Fgdc Compliancy	yes
Geospatial	yes
Netl Product	no
Organization	United States Geologic Survey
Publication Date	2021-01-25
Spatial	{"type":"MultiPolygon","coordinates":[[[[-96.85546875,61.52269494598361],[-96.85546875,32.10118973232094],[-144.31640625,32.10118973232094],[-144.31640625,61.52269494598361],[-96.85546875,61.52269494598361]]]]}