Aeromagnetic, gravity anomaly, and derivative maps of the Craig and Dixon Entrance 1°x3° quadrangles of southeastern Alaska
A simplified geologic map, raw gravity and magnetic data, with derivative products including depth-to-source and rock densities, with limited interpretations of the underlying geology, structures, and mineral resources. |
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Geochemical analyses of rock samples collected from the Dora Bay peralkaline igneous complex, Prince of Wales Island, southeastern Alaska
Geochemical analyses of rock samples collected by the U.S. Geological Survey from surface exposures of host rock and REE-mineralized pegmatites and felsic dikes in this area to provide information on potential sources of co-product and by-product critical elements in domestic mineral deposits and to allow comparison with other REE deposits in peralkaline igneous complexes. Data are provided in CSV format. |
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Geochemical and Sulfur-Isotopic Signatures of Volcanogenic Massive Sulfide Deposits on Prince of Wales Island and Vicinity, Southeastern Alaska | Info |
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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Legacy Geochemical Data from Hardcopy Records of Selected Past U.S. Geological Survey Projects
Geochemical data from selected USGS projects from the 1960s-1980s that were previously not published as digital data. Includes geochemical analyses from 36,498 samples of various types using analytical methods and instruments that were current when those studies were carried out. Data are provided in Microsoft Access, shapefile, and CSV formats. |
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Niobium Deposits in the United States
Detailed descriptions of mineral deposits containing this commodity, including history, production, resource estimates, and geographic features. Data are provided in CSV, shapefile, Microsoft Excel, and Esri file geodatabase formats. |
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Rare earth element occurrences in the United States
Detailed descriptions of more than 200 mineral districts, mines, and mineral occurrences (deposits, prospects, and showings) within the United States that are reported to contain substantial enrichment of rare earth elements. |
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Tantalum Deposits in the United States
Detailed descriptions of mineral deposits containing this commodity, including history, production, resource estimates, and geographic features. Data are provided in CSV, shapefile, Microsoft Excel, and Esri file geodatabase formats. |
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