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Filters Date Range Past year (0) Past month (0) Past week (0) Past day (0) Custom range... To   Search Types Map Service (1) OGC WFS Layer (1) OGC WMS Layer (1) OGC WMS Service (1) Contacts U.S. Geological Survey U.S. Geological Survey - ScienceBase Robert A Zielinski Theresa B Hennesy Mark J Mihalasky U.S. Geological Survey, Central Energy Resources Science Center Tag Types Theme (3) Place (3) Harvest Set (3) USGS Scientific Topic Keyword (3) Tag Schemes None (2) Author Generated Terms (1) Common Geographic Areas (1) USGS Thesaurus (1) EnergyResourceActivities (1) ISO 19115 Topic Category (1) View Results as: JSON ATOM CSV

Historic groundwater quality of in situ recovery (ISR) uranium mines, Texas In situ recovery (ISR) uranium mining is a technique in which uranium is extracted by a series of injection and recovery wells developed in a permeable sandstone host rock. Chemical constituents (lixiviants) are added to groundwater injection wells to mobilize uranium into groundwater. Before mining, baseline water quality is measured by sampling groundwater from the aquifer intended to be mined and over and underlying units over a geographic area that reflects the proposed mine location. After mining, groundwater is restored using a variety of techniques intended to return groundwater quality to as close to baseline as practicable. After groundwater has been restored, groundwater quality is monitored to determine... Categories: Data; Tags: Energy Resources, South Texas, Texas, USGS Science Data Catalog (SDC), Uranium, All tags... ground water quality, in situ recovery, uranium, uranium mines, Fewer tags Grade, tonnage, and location data for world calcrete-type surficial uranium deposits Grade and tonnage data for calcrete-type surficial uranium deposits found in 11 different countries were compiled. Fifty-eight deposits with reported grade and tonnage, and thirty-five occurrences for which there is no reported resource are tabulated in separate Excel workbook spreadsheets. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Atomic Energy Agency, Earth Science, Energy Resources, Natural Resources, U.S. Geological Survey, All tags... USGS Science Data Catalog (SDC), Uranium, calcrete, global, mineral resources, non-pedogenic calcrete, Fewer tags Location, description, and whole rock geochemistry of rocks from the Coles Hill uranium deposit and vicinity, south-central Virginia Major-element and trace-element concentrations in 76 core samples and seven surface samples of rocks from the Coles Hill uranium deposit and vicinity, Pittsylvania County, south-central Virginia are presented as tabular digital data. The Coles Hill deposit is the largest unmined uranium deposit in the United States. The data were collected to 1) characterize the chemistry of variably uranium-mineralized rock units within the deposit and 2) to compare with the chemistry of un-mineralized surface exposures of the same rock units. Cores were sampled in 2017 by U.S. Geological Survey (USGS) personnel from archived historical collections of the Virginia Museum of Natural History. Core samples were selected based on measurable... Categories: Data; Tags: Coles Hill uranium deposit, Energy Resources, ICP-MS, ICP-OES, Pittsylvania County, All tags... USGS Science Data Catalog (SDC), Virginia, WDXRF, geochemistry, geoscientificInformation, granite gneiss, ore deposit, rare earth elements, uranium, Fewer tags