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Federal
Global Geochemical Database for Critical Minerals in Archived Mine Samples recent views
Department of the Interior —
The Critical Minerals in Archived Mine Samples Database (CMDB) contains chemistry and geologic information for historic ore and ore-related rock samples from mineral... -
Federal
Major, Minor, and Trace Element Compositions of modern and legacy iron and steel slag from the Chicago-Gary area of Illinois and Indiana, USA recent views
Department of the Interior —
These data represent the major, minor, and trace element compositions of modern and legacy iron and steel slag from the Chicago-Gary area of Illinois and Indiana, USA. -
Federal
Energy Dispersive Spectroscopy and Scanning Electron Microscopy Results from Field Samples near Hinkley, California recent views
Department of the Interior —
Scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS) were used to analyze acid residues from heavy mineral separates, polished grain mounts,... -
Federal
Portable XRF, ICP-MS/OES, and Organic Carbon Bulk Chemical Data of Solids Used in USGS' Study of Hexavalent Chromium Contamination of Ground Water Near Hinkley, CA recent views
Department of the Interior —
This child page contains: (a) qualitative compositional data for 3 elements (chromium, manganese, and iron) as determined by X-ray fluorescence spectrometry using a... -
Federal
Chemistry of groundwater, pore water, and surface water near wetland P1 in the Cottonwood Lake Study Area, Sutsman County, ND - August 2013 recent views
Department of the Interior —
Groundwater, soil pore water, and surface water were collected in and near wetland P1 in the Cottonwood Lake Study Area, Stutsman County, North Dakota in August 2013.... -
Federal
Portable X-ray Fluorescence Analyses Results for Heavy and Light Separates from Field Samples near Hinkley, California recent views
Department of the Interior —
Heavy and light mineral separates were extracted from the 36 collected field samples following a USGS procedure (Strong and Driscoll, 2016) and analyzed using the... -
Federal
Geochemical reanalysis of rock and sediment samples from the Lower Middle Fork of the Salmon River collected as part of the Idaho Primitive Area Studies in the 1960’s through 1980’s recent views
Department of the Interior —
This is a geochemical data set from the reanalysis of 44 rock samples collected between 1966 and 1970, and 107 sediment samples collected in 1966 and 1967. These... -
Federal
Grain size, mineralogic, and trace-element data from field samples near Hinkley, California recent views
Department of the Interior —
This data release is part of a study examining the occurrence of chromium and natural and anthropogenic hexavalent Chromium, Cr(VI) in groundwater. Data will be used... -
Federal
Geochemical characterization of solid media from three watersheds that transect the basal contact of the Duluth Complex, northeastern Minnesota recent views
Department of the Interior —
To document regional water quality in areas of potential base-metal mining, bedrock, soil, streambed sediment, and surface-water samples were collected and analyzed... -
Federal
Grain Size Analysis Results from Field Samples near Hinkley, California recent views
Department of the Interior —
Grain size analysis using an Advantech Sonic Sifter Separator was conducted as part of a study examining the occurrence of chromium and natural and anthropogenic... -
Federal
Portable X-ray Fluorescence Analyses Results for Bulk and Size Fractions from Field Samples near Hinkley, California recent views
Department of the Interior —
Samples were analyzed using the handheld portable X-ray fluorescence (pXRF) analyzer as part of a study examining the occurrence chromium and of natural and... -
Federal
Geochemical data used in the tungsten skarn mineral resource assessment of the Great Basin region of western Nevada and eastern California recent views
Department of the Interior —
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-... -
Federal
Phosphate removal capacity and major, minor, and trace element chemistry for batch-experiment leachates using modern and legacy iron and steel slag samples from the Chicago-Gary area of Illinois and Indiana, USA recent views
Department of the Interior —
These data represent the phosphate removal capacity of modern and legacy iron and steel slag from the Chicago-Gary area of Illinois and Indiana, USA, based on batch... -
Federal
Chemistry of effluent generated during phosphate removal column experiment using iron and steel slag from the Chicago-Gary area of Illinois and Indiana, USA recent views
Department of the Interior —
These data represent the major, minor, and trace element compositions of effluent water samples generated by column experiments of modern and legacy iron and steel... -
Federal
Argon and geochemical data for: 40Ar/39Ar geochronology and petrogenesis of the Table Mountain Shoshonites, Golden, CO recent views
Department of the Interior —
This dataset accompanies publication '40Ar/39Ar geochronology and petrogenesis of the Table Mountain Shoshonites, Golden, CO', to be published in Rocky Mountain... -
Federal
Results of X-ray Diffraction for Clay Mineralogy from Field Samples near Hinkley, California recent views
Department of the Interior —
Splits of the less than 38 micron size fraction were processed to make oriented clay mounts and analyzed using X-ray diffraction (XRD) as part of a study examining... -
Federal
Laboratory generated leachates of modern and legacy iron and steel slag from the Chicago-Gary area of Illinois and Indiana, USA using USEPA method 1312 Synthetic Precipitation Leaching Procedure recent views
Department of the Interior —
These data represent the major, minor, and trace element compositions of laboratory generated leachates of modern and legacy iron and steel slag from the Chicago-Gary... -
Federal
Geochemical reanalysis of rock and sediment samples from the Middle Fork and South Fork of the Salmon River collected in the mid-1960s through the early 1970s as part of the Idaho Primitive Area studies recent views
Department of the Interior —
This data release is a geochemical data set from the reanalysis of 23 rock and 85 sediment samples collected between 1966 and 1970 by the U.S. Geological Survey... -
Federal
Contract Laboratory Results from Field Samples near Hinkley, California recent views
Department of the Interior —
Samples were submitted for contract laboratory analysis as part of a study examining the occurrence of chromium and natural and anthropogenic hexavalent Chromium,... -
Federal
National Geochemical Database on Ore Deposits: Legacy data recent views
Department of the Interior —
There is a growing demand for commodities (elements, compounds, minerals) used in today's advanced technologies. Critical minerals are usually found in ore deposits...