-
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
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
Corescan© hyperspectral reflectance data
Department of the Interior —
Corescan© Hyperspectral Core Imager Mark III (HCI-III) system data were acquired for hand samples, and subsequent billets made from the hand samples, collected during... -
Federal
Corescan© Hyperspectral Core Imager, Mark III system RGB imagery
Department of the Interior —
Corescan© Hyperspectral Core Imager Mark III (HCI-III) system data were acquired for hand samples, and subsequent billets made from the hand samples, collected during... -
Federal
Spectra Used in Figures
Department of the Interior —
This dataset contains reflectance and transmission spectra of unexpanded and expanded vermiculite ore, and handpicked flakes of phlogopite, hydrobiotite, and... -
Federal
Mineral predominance map for Nabesna, Alaska, derived from imaging spectrometer reflectance data
Department of the Interior —
Reflectance data from HyMap™ were processed using the Material Identification and Characterization Algorithm (MICA), a module of the USGS PRISM (Processing Routines... -
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
Expanded Vermiculite Sample Descriptions
Department of the Interior —
This folder contains descriptions and analytical data (i.e., electron microprobe, X-ray diffraction, spectral reflectance, and scanning electron microprobe analyses)... -
Federal
Calibrated hyperspectral reflectance data
Department of the Interior —
Corescan© Hyperspectral Core Imager Mark III (HCI-III) system data were acquired for hand samples, and subsequent billets made from the hand samples, collected during... -
Federal
Airborne imaging spectrometer data collected for characterizing mineral resources near Nabesna, Alaska, 2014
Department of the Interior —
Imaging spectrometer (hyperspectral) data were collected using the HyMap™ sensor over the Nabesna Area of Interest (AOI) in the eastern Alaska Range, July 14 and July... -
Federal
Airborne imaging spectrometer data collected for characterizing mineral resources near Nabesna, Alaska, 2014: CAL01
Department of the Interior —
Imaging spectrometer (hyperspectral) data were collected using the HyMap™ sensor over the Nabesna Area of Interest (AOI) in the eastern Alaska Range, July 14 and July... -
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
Mössbauer Spectral Data of Vermiculite Ore
Department of the Interior —
Data are provide for four samples of unexpanded vermiculite ore from mines near Enoree, South Carolina; Libby, Montana; Louisa, Virginia; Palabora, and South Africa.... -
Federal
Sulfur dioxide emission rates from Hawaiian volcanoes, 2018-2022
Department of the Interior —
Measurement of sulfur dioxide (SO2) emission rates is a critical aspect of monitoring and studying active volcanoes. Changes in emission rate are often associated... -
Federal
Airborne imaging spectrometer data collected for characterizing mineral resources near Nabesna, Alaska, 2014: Run06
Department of the Interior —
Imaging spectrometer (hyperspectral) data were collected using the HyMap™ sensor over the Nabesna Area of Interest (AOI) in the eastern Alaska Range, July 14 and July... -
Federal
Differential Optical Absorption Spectroscopy data acquired at Mount Pagan volcano (Mariana Islands) on 6 April 2014
Department of the Interior —
On 6 April 2014, a Differential Optical Absorption Spectroscopy (DOAS) instrument was used to measure the radiance of scattered solar radiation passing through the... -
Federal
Volcanic Gas Measurements at Mount Cleveland, 14-15 August 2015
Department of the Interior —
On 14-15 August 2015, helicopter-based measurements were made of the volcanic gases emitted from Mount Cleveland, AK. An upward-looking differential optical... -
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
Spectral Parameter Tables for Expanded Vermiculite Samples
Department of the Interior —
This dataset contains spectral parameters for absorption features found in reflectance spectra of expanded vermiculite samples. These data are provide for 52 samples... -
Federal
Airborne Survey of Gas Emissions from Volcanoes in the Cook Inlet and Northern Alaska Peninsula, 2021
Department of the Interior —
On 16 July 2021, measurements were made of the volcanic gases emitted from Iliamna Volcano, Mount Douglas, Mount Martin, and Mount Mageik (Alaska, USA) from aboard a...