Nabesna-Chisana Rivers

hydrologic unit

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Geochemical data generated by projects funded by the USGS Earth Mapping Resources Initiative

Includes all geochemical data generated by each project partnership funded through Earth MRI and will be updated periodically as additional geochemical data from these projects becomes available.

Imaging spectrometer reflectance data, mineral predominance map, and white mica wavelength position map, Nabesna Quadrangle, Alaska

Reflectance, mineral predominance, and white mica wavelength position data calculated from an airborne hyperspectral imaging survey of this area using a HyMap sensor in 2014. Data are provided in a format generated by the ENVI software product, CSV, and GeoTiff.

Corescan Hyperspectral Core Imager, Mark III system data collected for the characterization of mineral resources near Nabesna, Alaska, 2014-2016

Hyperspectral analysis of rock samples using this equipment provide information on the composition and morphology of the minerals in the rock in microscopic detail. Data are provided as imagery in various formats.

Airborne imaging spectrometer data collected for characterizing mineral resources near Nabesna, Alaska, 2014

Flight-line data for a hyperspectral survey using the HyMap sensor over this area in 2014 where porphyry deposits are exposed. The data are provided in imagery formats.

Whole rock, soil, sediment, x-ray diffraction, and electron microprobe analyses of samples from the Orange Hill-Bond Creek area, Nabesna Quadrangle, Alaska

Geochemical, x-ray diffraction mineralogical, and electron probe microanalysis (EPMA) data on rocks, soils, and sediments collected near porphyry copper deposits in this area. Data are provided in CSV format.