Physics
Scientific paper
Dec 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991georl..18.2237f&link_type=abstract
Geophysical Research Letters (ISSN 0094-8276), vol. 18, Dec. 1991, p. 2237-2240.
Physics
7
Basalt, Petrology, Soil Mapping, Spectral Reflectance, Spectrum Analysis, Volcanology, Absorption Spectroscopy, Cones (Volcanoes), Infrared Reflection, Mars Surface, Metamorphism (Geology), Optical Reflection, Remote Sensing
Scientific paper
The Vis/Ir reflectance of laboratory-analyzed Pavant Butte tuff samples is examined in order to determine the extent to which they might have altered, through hydration and oxidation, to palagonite. Remotely sensed data of Pavant Butte acquired by the Airborne Visible/Infrared Imaging Spectrometer and the Geoscan Mk II advanced multispectral scanner are described and used for compositional mapping. The palagonite tuff was used as an endmember in a linear spectral mixing model analysis. This method was also used to calibrate the remotely sensed data to reflectance. Reflectance spectra from the airborne systems validated the laboratory sample spectra and indicated the presence of both di- and trioctahedral clay minerals within the palagonite tuff.
Farrand William H.
Singer Robert B.
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