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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
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
An updated X-ray diffractogram library of geologic materials
Department of the Interior —
The X-ray diffraction (XRD) pattern library presented here is intended for qualitative or quantitative mineralogical analysis of geologic materials. The original... -
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
Imaging spectrometer reflectance data for Nabesna, Alaska
Department of the Interior —
Approximately 1,900 line square kilometers of imagery were collected using a HyMap™ sensor (Cocks and others, 1998) mounted on a modified Piper Navajo aircraft. The... -
Federal
Geochemistry data for the USGS Gulf Coast #1 West Woodway core - A thermally immature core of the Eagle Ford Group in central Texas (ver. 1.1, April 2025)
Department of the Interior —
Petroleum source rocks deposited during Cenomanian – Turonian time (late Cretaceous) are major generators of continuous and conventional oil and gas resources in the... -
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
Core XRD data compilation for the Barnett and Woodford Shales of the Permian Basin, compiled from literature
Department of the Interior —
This data release is a compilation of a literature search of published core X-ray diffraction (XRD) data for the Permian Basin Barnett and Woodford Shales, and... -
Federal
Particulate physicochemical data at a fish hatchery in Puyallup, Washington, September 2023
Department of the Interior —
Particulate samples were collected from a fish hatchery in Puyallup, Washington, September 18 – 20, 2023 during late summer, low-flow conditions in the intake creek.... -
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
In situ geochemical data related to the gold-quartz veins of Grass Valley, California, 2014-2015
Department of the Interior —
In situ geochemical data were obtained for pyrite crystals and native gold from two distinct vein sets in the Grass Valley gold district, California. Samples of the... -
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
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
Electron microprobe analyses of hydrothermal muscovite crystals from gold-bearing quartz veins of the Klamath Mountains, California, 2014 and 2019 (ver. 1.1, June 2022)
Department of the Interior —
This data release provides geochemical results of in situ electron probe microanalyses of hydrothermal muscovite associated with gold-bearing quartz veins from the... -
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
Spectra of Expanded Vermiculite Samples
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
Whole rock, soil, sediment, x-ray diffraction, and electron microprobe analyses of samples from the Orange Hill-Bond Creek area, Nabesna Quadrangle, Alaska
Department of the Interior —
This data release includes geochemical, x-ray diffraction mineralogical, and electron probe microanalysis (EPMA) data on rocks, soils, and sediments collected near... -
Federal
Mineral Occurrence data for the Eocene Green River Formation in the Piceance and Uinta Basins
Department of the Interior —
This legacy database lists occurrences of minerals identified in the Green River Formation in the Uinta and Piceance Basins, Utah and Colorado using X-ray diffraction... -
Federal
Calibrated hyperspectral reflectance data - collected at Cripple Creek Victor mine, Cripple Creek, Colorado, 2017
Department of the Interior —
HySpex by NEO (HySpex) VNIR-1800 and SWIR-384 imaging spectrometer radiance data were acquired on September 14, 2017 at the Cresson Pit of the Cripple Creek &... -
Federal
HySpex by NEO VNIR-1800 and SWIR-384 imaging spectrometer radiance and reflectance data, with associated ASD FieldSpecⓇ NG calibration data, collected at Cripple Creek Victor mine, Cripple Creek, Colorado, 2017
Department of the Interior —
HySpex by NEO (HySpex) VNIR-1800 and SWIR-384 imaging spectrometer radiance data were acquired on September 14, 2017 at the Cresson Pit of the Cripple Creek and...