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Federal
USGS Spectral Library Version 7 Data
Department of the Interior —
This data release provides the U.S. Geological Survey (USGS) Spectral Library Version 7 and all related documents. The library contains spectra measured with... -
Federal
GIFplots Plots of spectra in GIF images
Department of the Interior —
GIFplots Files containing GIF images of spectral plots: - GIFplots_splib07a.zip contains plots of measured spectra, including * plots showing the full wavelength... -
Federal
ASCIIdata Spectra in ASCII text files, including separate files with wavelength and bandpass (FWHM) values
Department of the Interior —
ASCIIdata Files containing spectral data in ASCII text format: - measured spectra (ASCIIdata_splib07a.zip), including wavelength positions and bandpass (Full-Width at... -
Federal
Alaska Geochemical Database Version 4.0 (AGDB4) including best value data compilations for rock, sediment, soil, mineral, and concentrate sample media
Department of the Interior —
The Alaska Geochemical Database Version 4.0 (AGDB4) contains geochemical data compilations in which each geologic material sample has one best value determination for... -
Federal
X-Ray diffraction data for bulk sediment and clay separations taken from cores from Bristol Dry Lake, California and geothermal springs from Paoha Island (Mono Lake), California.
Department of the Interior —
X-Ray diffraction (XRD) data for bulk sediment and clay separations taken from cores from Bristol Dry Lake, California and geothermal springs from Paoha Island (Mono... -
Federal
Geology of the Grandfather Mountain Window and Vicinity, North Carolina and Tennessee
Department of the Interior —
The Blue Ridge belt in northwestern North Carolina and northeastern Tennessee is composed chiefly of 1,000-million to 1,100-million-year-old metamorphic and plutonic... -
Federal
Global Geochemical Database for Critical Minerals in Archived Mine Samples
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
Mineralogical analyses of drill core samples from the Canyon uranium-copper deposit, a solution-collapse breccia pipe, Grand Canyon area, Coconino County, Arizona, USA
Department of the Interior —
This data release compiles the X-ray diffraction and electron microscopy analyses of drill core samples collected by the U.S. Geological Survey that were selected to... -
Federal
Mineral predominance data derived from calibrated Corescan© hyperspectral data
Department of the Interior —
Mineral predominance data were a derivative product from the Corescan© reflectance data. Corescan Hyperspectral Core Imager Mark III (HCI-III) system data were... -
Federal
Presence of Microbes and the Distribution of Climatic, Environmental, and Geochemical Variables Web Mapping Application
Department of the Interior —
This web application dataset includes data collected by the U.S. Geological Survey (USGS) as well as environmental climatic, geochemical, and mineralogical variables... -
Federal
Oxide and Cation Compositions of Pyroxene Grains from Drill Core of the Duluth Complex, Minnesota
Department of the Interior —
The table contains oxide and cation compositions of pyroxene grains from drill core in the Duluth Complex. The oxides were determined by electron probe microanalysis... -
Federal
Selected Whole-Rock and Sediment Geochemistry Reanalysis Data Additions to the Alaska Geochemical DataBase (AGDB) from Archived Samples, Alaska
Department of the Interior —
This data release contains elemental concentration data from the reanalysis of 13,930 archived stream-sediment sample and associated stream sediment reference... -
Federal
Locatable Mineral Assessment Tracts for the U.S. Geological Survey Sagebrush Mineral-Resource Assessment Project
Department of the Interior —
The polygon (vector) feature class represents locatable mineral resource assessment tracts (tracts of land) associated with the Department of the Interior (DOI)... -
Federal
Electron microprobe analyses of feldspars and petrographic, geochemical, and geochronologic data from the Hawkeye Granite Gneiss and Lyon Mountain Granite Gneiss in the Adirondacks of New York (ver. 2.0, May 2023)
Department of the Interior —
Iron oxide-apatite (IOA) deposits of the Adirondack Mountains of New York locally contain elevated REE concentrations (e.g. Taylor and others, 2019). Critical to... -
Federal
U-Pb age determinations of uraninite by electron microprobe analyses of ore samples from two solution-collapse breccia pipe uranium deposits, Grand Canyon region, northwest Arizona, USA
Department of the Interior —
This data release compiles the electron microprobe spot analyses of U, Th, and Pb concentrations in uraninite (U oxide) particles, and corresponding calculated age... -
Federal
Data for a Comprehensive Survey of Fault Zones, Breccias, and Fractures in and Flanking the Eastern Española Basin, Rio Grande Rift, New Mexico
Department of the Interior —
This release provides the data for a comprehensive survey of geologic structures in the eastern Española Basin of the Rio Grande rift, New Mexico. The release... -
Federal
SPECPRsplib07 SPECPR files containing spectra and associated descriptions of samples and spectra (including linked photos)
Department of the Interior —
SPECPRsplib07 This compressed archive includes: 1) Files, in SPECPR format, containing spectral data and associated metadata descriptions: - measured spectra... -
Federal
Spectroscopy of Expanded Vermiculite Products and Insulation
Department of the Interior —
This dataset contains descriptions and analytical data (i.e., electron microprobe, X-ray diffraction, spectral reflectance, and scanning electron microprobe analyses)... -
Federal
Results of wavelength position and bandpass analysis
Department of the Interior —
Measurements of reference materials were made on the Corescan© HCI-III to evaluate the supplied channel wavelength positions and bandpass values. Wavelength position... -
Federal
Geochemical and mineralogical analyses of uranium ores from the Hack II and Pigeon deposits, solution-collapse breccia pipes, Grand Canyon region, Mohave and Coconino Counties, Arizona, USA
Department of the Interior —
This data release compiles the whole-rock geochemistry, X-ray diffraction, and electron microscopy analyses of samples collected from the uranium ore bodies of two...