Found 27 datasets matching filters.
-
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....
Search relevance: 1.00 | Views last month: 9 | Published on: 2026-03-03 -
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 handheld portable X-ray...
Search relevance: 1.00 | Views last month: 3 | Published on: 2026-03-03 -
To document regional water quality in areas of potential base-metal mining, bedrock, soil, streambed sediment, and surface-water samples were collected and analyzed in three watersheds that cross...
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-03-03 -
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 the occurrence of chromium and...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
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 to estimate ...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
This child page contains: (a) qualitative compositional data for 3 elements (chromium, manganese, and iron) as determined by X-ray fluorescence spectrometry using a portable instrument (“pXRF”)...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
Scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS) were used to analyze acid residues from heavy mineral separates, polished grain mounts, and clays from sampled sediments...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
There is a growing demand for commodities (elements, compounds, minerals) used in today's advanced technologies. Critical minerals are usually found in ore deposits that are deemed vital to...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
This page contains (a) bulk synchrotron-based X-ray absorption spectra; (b) microbeam synchrotron-based X-ray fluorescence maps and spectra; and (c) microbeam Raman spectra (and corresponding...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
This dataset accompanies publication '40Ar/39Ar geochronology and petrogenesis of the Table Mountain Shoshonites, Golden, CO', to be published in Rocky Mountain Geology, which analyzed lava flows...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
Splits of samples were prepared of heavy mineral separates and bulk separates less than 2mm for analysis using X-ray diffraction (XRD) and results were interpreted to identify mineral components...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
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 slag from the Chicago-Gary area...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
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 area of Illinois and Indiana,...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
This dataset contains results from a stratigraphic section of the Hue Shale located along the Jago River in the Arctic National Wildlife Refuge at 69.9099, -143.3947 (WGS84). Sample heights were...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
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 leaching experiments. Also...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
Lake Powell retains most of the phosphorus that it receives, leading to downstream phosphorus limitation. These data were compiled to examine controls on phosphorus cycling below Lake Powell in...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
This data release contains geochemical data from selected U.S. Geological Survey (USGS) projects from the 1960s-1980s that were previously unpublished as digital data. The objective of those...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
The chemical compositions and natural distribution of ferromanganese crusts have been a topic of interest to scientific research, as well as to industrial and military applications. These crusts...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
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 hexavalent Chromium, Cr(VI) in...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
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...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03