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This map layer includes construction minerals operations in the United States. The data represent commodities covered by the Minerals Information Team (MIT) of the U.S. Geological Survey. The mineral operations are plants and (or) mines surveyed by the MIT and considered currently active in 2003. Excluded are construction sand and gravel and crushed stone. This is a replacement for the June 2004 map layer.
The mission of the USGS National Minerals Information Center (formerly the Minerals Information Team) is to collect, analyze, and disseminate information on the domestic and international supply of and demand for minerals and mineral materials essential to the U.S. economy and national security. About 90 mineral commodities are covered.The Center's goal is to provide decision makers with the information required to ensure that the Nation has an adequate and dependable supply of minerals and materials to meet its defense and economic needs at acceptable costs related to environment, energy, and economics. In addition to special data releases available through ScienceBase, annual and monthly or quarterly statistical...
Tags: NMIC, abrasives, alumina, aluminum, antimony, All tags...
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This report presents 40Ar/39Ar step-heating geochronology results for igneous and metamorphic rocks from the Alaska Division of Geological & Geophysical Surveys' (DGGS) geologic mapping project in the Tanacross A-5 and A-6 quadrangles and adjoining areas. Our results indicate the Hona granodiorite pluton intruded the area in the Late Cretaceous between 76 and 71 Ma. We determined Cretaceous metamorphic ages from 126 to 121 Ma for hornblende, biotite, sericite and muscovite from multiple samples of upper greenschist to amphibolite grade rocks. This is consistent with regional argon results that imply this area is in the upper plate of the Yukon Tanana Terrane (Hansen and Dusel-Bacon, 1998). Basaltic andesite dikes...
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This location is part of the Arizona Mineral Industry Location System (AzMILS), an inventory of mineral occurences, prospects and mine locations in Arizona. Maricopa9 is located in T1N R3W Sec 4 NE in the Valencia - 7.5 Min quad. This collection consists of various reports, maps, records and related materials acquired by the Arizona Department of Mines and Mineral Resources regarding mining properties in Arizona. Information was obtained by various means, including the property owners, exploration companies, consultants, verbal interviews, field visits, newspapers and publications. Some sections may be redacted for copyright. Please see the access statement.
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This location is part of the Arizona Mineral Industry Location System (AzMILS), an inventory of mineral occurences, prospects and mine locations in Arizona. Maricopa15B is located in T1S R3W Sec 20 C in the Buckeye - 7.5 Min quad. This collection consists of various reports, maps, records and related materials acquired by the Arizona Department of Mines and Mineral Resources regarding mining properties in Arizona. Information was obtained by various means, including the property owners, exploration companies, consultants, verbal interviews, field visits, newspapers and publications. Some sections may be redacted for copyright. Please see the access statement.
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This data release contains the U.S. salient statistics and world production data extracted from the MICA (NATURAL) data sheet of the USGS Mineral Commodity Summaries 2022.
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This location is part of the Arizona Mineral Industry Location System (AzMILS), an inventory of mineral occurences, prospects and mine locations in Arizona. Graham229 is located in T9S R23E Sec 10 C in the Webb Peak - 7.5 Min quad. This collection consists of various reports, maps, records and related materials acquired by the Arizona Department of Mines and Mineral Resources regarding mining properties in Arizona. Information was obtained by various means, including the property owners, exploration companies, consultants, verbal interviews, field visits, newspapers and publications. Some sections may be redacted for copyright. Please see the access statement.
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This location is part of the Arizona Mineral Industry Location System (AzMILS), an inventory of mineral occurences, prospects and mine locations in Arizona. Maricopa16 is located in T1S R3W Sec 29 SE in the Buckeye - 15 Min quad. This collection consists of various reports, maps, records and related materials acquired by the Arizona Department of Mines and Mineral Resources regarding mining properties in Arizona. Information was obtained by various means, including the property owners, exploration companies, consultants, verbal interviews, field visits, newspapers and publications. Some sections may be redacted for copyright. Please see the access statement.
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This location is part of the Arizona Mineral Industry Location System (AzMILS), an inventory of mineral occurences, prospects and mine locations in Arizona. Yavapai308 is located in T8N R5W Sec 21 N2 in the Flores - 7.5 Min quad. This collection consists of various reports, maps, records and related materials acquired by the Arizona Department of Mines and Mineral Resources regarding mining properties in Arizona. Information was obtained by various means, including the property owners, exploration companies, consultants, verbal interviews, field visits, newspapers and publications. Some sections may be redacted for copyright. Please see the access statement.


map background search result map search result map Construction Minerals Operations ADMMR mining collection file: Twilight Group ADMMR mining collection file: Elder ADMMR mining collection file: Vermiculite ADMMR mining collection file: Buckeye Mica ADMMR mining collection file: Birchfield Feldspar Merlo Mica, Topographic Map Vermiculite, Solomon Mines Proposed Drill Holes Vermiculite, Solomon Mines Base Map Mining District Map of Claims for SE1/4, T10N, R1W Monte Cristo Pegmatite Mine, Location Map Big Reef, Last Hope Group Claims Boriana, Magnetic Plot Sheet ADMMR Photo Archive file: Mica Mule M-2 ADMMR Photo Archive file: Mica Mule M-3 ADMMR Photo Archive file: Merlo Mica 123-19 40Ar/39Ar data from the Tok River area, Tanacross A-5 and A-6 quadrangles and adjoining areas, eastern Alaska Range WMR 324 - Southern Black Hills Mica. Custer County, South Dakota. 1945. ADMMR mining collection file: Birchfield Feldspar ADMMR Photo Archive file: Mica Mule M-2 ADMMR Photo Archive file: Mica Mule M-3 ADMMR mining collection file: Twilight Group ADMMR mining collection file: Elder ADMMR mining collection file: Buckeye Mica ADMMR Photo Archive file: Merlo Mica 123-19 ADMMR mining collection file: Vermiculite 40Ar/39Ar data from the Tok River area, Tanacross A-5 and A-6 quadrangles and adjoining areas, eastern Alaska Range WMR 324 - Southern Black Hills Mica. Custer County, South Dakota. 1945. Construction Minerals Operations