Other
Scientific paper
Sep 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985icar...63..442s&link_type=abstract
Icarus (ISSN 0019-1035), vol. 63, Sept. 1985, p. 442-452.
Other
34
Highlands, Impact Melts, Infrared Spectroscopy, Lunar Craters, Mineralogy, Glass, Near Infrared Radiation, Olivine, Spectral Reflectance, Wavelengths, Moon, Spectroscopy, Infrared, Wavelengths, Impacts, Melting, Anomalies, Melts, Craters, Highlands, Composition, Telescope Methods, Spectra, Iron, Crystalline Rocks, Earth-Based Observations, Olivine, Pyroxene, Feldspar, Deposits, Tycho, Features, Glass, Clasts, Crystallization, Comparisons, Photographs, Aristillus, Copernicus, Reflectance
Scientific paper
The composition of small areas within three large lunar highland craters are compared using near-infrared, Earth-based telescopic data. Spectra from many areas in the walls and central peaks of the craters indicate the presence of crystalline components which include olivine, two types of pyroxene, and sometimes Fe-bearing feldspar. Spectra from other regions suspected of being impact melt deposits, located on the floors and walls of the three craters, have remarkably similar, yet anomalous features. These features are interpreted to indicate the presence of pyroxene, Fe-bearing glass, and Fe-bearing feldspar. Pyroxene and feldspar are believed to occur primarily in the form of lithic clasts and rapidly recrystallized impact melt. The Fe-bearing glass is interpreted as impact melt glass.
Pieters Carlé M.
Smrekar Sue
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