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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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This publication, GPR 2017-1, provides geophysical data produced from an airborne geophysical survey conducted in 2001 and released in 2002 for 276 sq miles of the Liberty Bell area, western Bonnifield mining district, central Alaska. Aeromagnetic and electromagnetic data were acquired during the survey. During 2016, the same digital data were reformatted for ease of use with modern processing tools; vector shapefiles and the analytic signal and calculated first vertical derivative grids were added. Other than the creation of calculated grids, no new processing was done. Data provided in GPR 2017-1 include processed (1) linedata ASCII databases, (2) gridded files of magnetic and resistivity data, (3) vector files...
Tags: Aeromagnetic, Aeromagnetic Data, Aeromagnetic Map, Aeromagnetic Survey, Airborne Geophysical Survey, All tags...
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Mineral-resources personnel from the Alaska Division of Geological & Geophysical Surveys (DGGS) carried out a helicopter-supported geological and geochemical resource assessment project in the Beaver, Bettles, Livengood, and Tanana quadrangles from June 23 through August 5, 2012. The objectives of DGGS's resource assessment are to improve the trace-element geochemical coverage of selected watersheds; to obtain modern, quantitative geochemical analyses; to understand the petrogenesis of the granites; and to better document established mineral occurrences. Stream-sediment, pan-concentrate, and rock sampling were conducted as part of the State's Rare Earth Elements and Strategic Minerals Assessment project, which is...
Tags: Aluminum, Antimony, Arsenic, Augen Gneiss, Barium, All tags...
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The U.S. Geological Survey (USGS), Colorado Division of Reclamation, Mining and Safety (DRMS), and Coal Creek Watershed Coalition (CCWC) working independently, have intermittently collected samples of surface- and groundwater and springs around Mount Emmons, near Crested Butte, Colorado. This data release is a compilation of the comprehensive inorganic chemical analyses conducted as a result of that sampling. The earliest samples were collected in the summer of 1997, and subsequent sampling has continued through 2019. Water samples collected in the Elk Creek basin, sample identifiers starting with EC, have been previously published in three U.S. Geological Survey reports; Verplanck and others, 2007, Manning and...
Categories: Data, Data Release - Revised; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: CWCC, Coal Creek, Coal Creek Watershed Coalition, Colorado, Colorado Division of Reclamation, Mining and Safety, All tags...


    map background search result map search result map Liberty Bell area, western Bonnifield mining district, electromagnetic and magnetic airborne geophysical survey, data compilation Geochemical major-oxide, minor-oxide, trace-element, and rare-earth-element data from rocks and streams sediments collected in 2012 in the Ray Mountains area, Beaver, Bettles, Livengood, and Tanana quadrangles, Alaska 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 USGS 1:24000-scale Quadrangle for Coal Creek, WY 1967 USGS 1:24000-scale Quadrangle for Coal Creek, WY 1967 USGS 1:24000-scale Quadrangle for Coal Creek, MT 1967 USGS 1:24000-scale Quadrangle for Coal Creek, WA 1985 USGS 1:24000-scale Quadrangle for Coal Creek, CO 1939 USGS 1:24000-scale Quadrangle for Coal Creek, CO 1966 USGS 1:24000-scale Quadrangle for Coal Creek, CO 1966 USGS 1:24000-scale Quadrangle for Coal Creek, CO 1966 USGS 1:24000-scale Quadrangle for Coal Creek, CO 1966 USGS 1:24000-scale Quadrangle for Coal Creek, CO 1966 USGS 1:24000-scale Quadrangle for Coal Creek, CO 1966 USGS 1:24000-scale Quadrangle for Coal Creek, CO 1957 USGS 1:24000-scale Quadrangle for Coal Creek, CO 1957 USGS 1:24000-scale Quadrangle for Coal Creek, CO 1957 USGS 1:24000-scale Quadrangle for Coal Creek, TN 1936 USGS 1:31680-scale Quadrangle for Coal Creek, CO 1942 Geochemical analyses of surface water, groundwater and springs surrounding Mount Emmons near Crested Butte, Colorado (ver. 2.0, September 2020) USGS 1:24000-scale Quadrangle for Coal Creek, WY 1967 USGS 1:24000-scale Quadrangle for Coal Creek, WY 1967 USGS 1:24000-scale Quadrangle for Coal Creek, MT 1967 USGS 1:24000-scale Quadrangle for Coal Creek, WA 1985 USGS 1:24000-scale Quadrangle for Coal Creek, CO 1939 USGS 1:24000-scale Quadrangle for Coal Creek, CO 1966 USGS 1:24000-scale Quadrangle for Coal Creek, CO 1966 USGS 1:24000-scale Quadrangle for Coal Creek, CO 1966 USGS 1:24000-scale Quadrangle for Coal Creek, CO 1966 USGS 1:24000-scale Quadrangle for Coal Creek, CO 1966 USGS 1:24000-scale Quadrangle for Coal Creek, CO 1966 USGS 1:24000-scale Quadrangle for Coal Creek, CO 1957 USGS 1:24000-scale Quadrangle for Coal Creek, CO 1957 USGS 1:24000-scale Quadrangle for Coal Creek, CO 1957 USGS 1:24000-scale Quadrangle for Coal Creek, TN 1936 USGS 1:31680-scale Quadrangle for Coal Creek, CO 1942 Geochemical analyses of surface water, groundwater and springs surrounding Mount Emmons near Crested Butte, Colorado (ver. 2.0, September 2020) Liberty Bell area, western Bonnifield mining district, electromagnetic and magnetic airborne geophysical survey, data compilation 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 major-oxide, minor-oxide, trace-element, and rare-earth-element data from rocks and streams sediments collected in 2012 in the Ray Mountains area, Beaver, Bettles, Livengood, and Tanana quadrangles, Alaska