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The Critical Minerals in Archived Mine Samples Database (CMDB) contains chemistry and geologic information for historic ore and ore-related rock samples from mineral deposits in the United States. In addition, the database contains samples from archetypal deposits from 27 other countries in North America, South America, Asia, Africa and Europe. Samples were obtained from archived ore collections under the U.S. Geological Survey's project titled "Quick Assessment of Rare and Critical Metals in Ore Deposits: A National Assessment" (2008 to 2013) in an effort to begin an assessment of the Nations' previously mined ore deposits for critical minerals. Mineralized and altered rock samples were provided by the Colorado...
Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Alaska, Argentina, Arizona, Arkansas, Australia, All tags...
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This data release provides descriptions of more than 60 mineral regions, mines, and mineral deposits within the United States and its territories that are reported to contain enrichments of cobalt (Co). To focus the scope of this data release, we report only mined deposits and exploration prospects with past production, or resource and reserve estimates of 1,000 metric tons or more of cobalt. Cobalt has diverse uses because of its properties, which include ferromagnetism, hardness, wear-resistance, low conductivity, and high melting point. The primary uses for cobalt are in rechargeable battery electrodes, and in superalloys used to make gas turbine engines. In 2017, the United States had a net import reliance...
Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Alaska, BLM, Bureau of Land Management, California, GGGSC, All tags...
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Re-analyses of sample pulps and bulk rejects from historic USBM rock and heavy-mineral-concentrate samples were conducted by the Alaska Division of Geological & Geophysical Surveys (DGGS) as part of the State of Alaska's Strategic and Critical Minerals Assessment project, which is designed to evaluate Alaska's potential for these resources. The objective of this resource assessment is to expand the state's geochemical database by obtaining and publishing modern, quantitative geochemical analyses for historic USBM samples, where available. Highlights of this re-analysis project include heavy mineral concentrates with up 7,220 ppm Sn, 5,870 ppm Cr, and 17,000 ppm Mn.
Tags: Aluminum, Antimony, Arsenic, Barium, Basalt, All tags...
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The data release for the Idaho Primitive Area, including the contiguous, Clear Creek-Upper Big Deer Creek Area, Salmon River Breaks Primitive Area, the Sawtooth Primitive Area, and adjacent areas, central Idaho, contains a data set of previously unpublished geochemical data from the 1966-1984 projects. The purpose of the Primitive Area studies was to describe the geology, determine petrologic and geochemical characteristics and to evaluate the mineral resource potential of the primitive areas and of adjacent study areas. In the case of the Idaho Primitive Area study (Cater and all, 1973), the primitive area and adjacent study areas added in 1967 covers 1,915 square miles plus 272 square miles adjacent to the area...
Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Big Deer Creek, Bitterroot National Forest, Blaine County, Boise County, Boise National Forest, All tags...
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This dataset was developed for the BLM Rapid Ecoregional Assessment for the Central Yukon and contains a database of descriptions of historic (inactive and closed) mines based on the Alaska Resource Data File (ARDF).
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The U.S. Geological Survey (USGS) has undertaken a mineral resources assessment for tungsten for a portion of the Great Basin in parts of western Nevada and east-central California. This data release provides the Great Basin Tungsten Database: the geospatial and geologic data, and results of chemical analyses for 46,955 samples collected in the assessment area, extracted from the USGS National Geochemical Database. These rock records were collected as part of various programs and projects at the USGS and analyzed from 1963 to 2015. The database represents rock records, each comprising one best value chemical determination for each analyzed chemical species, that include skarns, carbonate lithologies (for example,...
Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: California, GGGSC, Geology, Geophysics, and Geochemistry Science Center, Great Basin, MRP, All tags...
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This report provides a digital version of the Geologic map of theStillwater Complex, Montana originally published by N. Page andW. Nokleberg (1974). Paper copies of the four geologic mapsheets from the original report were scanned and initiallyattributed by Optronics Specialty Company (Northridge, CA) andremitted to the U.S. Geological Survey for further attributionand publication of the geospatial digital files. The resultingdigital geologic dataset can be queried in a geographicinformation system (GIS) in many ways to produce a variety ofgeological maps.
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Data collected in a series of laboratory experiments conducted with juvenile freshwater snails (Lymnaea stagnalis) reared in the laboratory and exposed to dissolved platinum (Pt), or polyvinylpyrrolidone coated platinum nanoparticles (PtNPs) of five different nominal hydrodynamic diameters in the presence (or absence) of natural organic matter (NOM) are presented in this data release. Files include 1) a data dictionary describing the variables; 2) exposure characteristics of the experimental solutions; 3) Pt concentrations in the experimental organisms; and 4) QA/QC performed during the analysis. Format of the files is comma delimited (*.csv). .
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This data release provides descriptions of more than 100 mining districts, mines, and mineral occurrences (deposits and prospects) within the United States that are reported to contain enrichments of rhenium (Re). These mineral occurrences include mined deposits, exploration prospects, and other occurrences with notable concentrations of rhenium. The inclusion of a particular mineral occurrence in this database is not meant to imply that it has economic potential. Rather, these occurrences were included to capture the distribution and characteristics of the known, reported rhenium occurrences in the United States. Rhenium is one of the rarest elements in the Earth's crust. Most rhenium occurs in the mineral molybdenite,...
Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Alaska, Arizona, BLM, Bureau of Land Management, Colorado, All tags...
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Sulfide- and chromite-bearing samples of the Basal and Ultramafic series of the Stillwater Complex are known to contain elevated concentrations of platinum-group elements (PGE). Thin sections were prepared from drill core and surface samples from the Chrome and Iron Mountain areas. Core samples are from exploration drilling programs by AMAX in the 1960s and 1970s and Beartooth Platinum in 2004-2007. The degree to which PGE occur in the rocks as discrete platinum-group minerals was investigated using a TESCAN Integrated Mineral Analyser (TIMA-X) based on a TESCAN MIRA 3 field-emission scanning electron microscope coupled with an EDAX energy-dispersive spectrometer. TIMA-X combines backscattered electron (BSE) imaging...


map background search result map search result map Geologic map of the Stillwater Complex, Montana: a digital database Analyses of historic U.S. Bureau of Mines rock and heavy mineral concentrate samples for geochemical trace-element and rare-earth element data--Ray Mountains and Kanuti-Hodzana uplands area, Alaska Rhenium Occurrences in the United States Cobalt Deposits in the United States TIMA-X bright phase analysis of platinum-group minerals in selected samples from the Chrome and Iron Mountain areas of the Stillwater Complex, Montana BLM REA CYR 2013 Locations of Active Mines in Central Yukon BLM REA CYR 2013 Locations of Historic Mines in Central Yukon BLM REA YKL 2011 YKL DV H Alaska ARDFDataset ISER Geochemical Data Release for Idaho Primitive Area, including the contiguous Clear Creek-Upper Big Deer Creek Area, the Salmon River Breaks Primitive Area, the Sawtooth Primitive Area, and adjacent areas, central Idaho Global Geochemical Database for Critical Minerals in Archived Mine Samples Geochemical data used in the tungsten skarn mineral resource assessment of the Great Basin region of western Nevada and eastern California TIMA-X bright phase analysis of platinum-group minerals in selected samples from the Chrome and Iron Mountain areas of the Stillwater Complex, Montana Geologic map of the Stillwater Complex, Montana: a digital database Analyses of historic U.S. Bureau of Mines rock and heavy mineral concentrate samples for geochemical trace-element and rare-earth element data--Ray Mountains and Kanuti-Hodzana uplands area, Alaska Geochemical Data Release for Idaho Primitive Area, including the contiguous Clear Creek-Upper Big Deer Creek Area, the Salmon River Breaks Primitive Area, the Sawtooth Primitive Area, and adjacent areas, central Idaho Geochemical data used in the tungsten skarn mineral resource assessment of the Great Basin region of western Nevada and eastern California BLM REA YKL 2011 YKL DV H Alaska ARDFDataset ISER BLM REA CYR 2013 Locations of Active Mines in Central Yukon BLM REA CYR 2013 Locations of Historic Mines in Central Yukon Rhenium Occurrences in the United States Cobalt Deposits in the United States Global Geochemical Database for Critical Minerals in Archived Mine Samples