Other
Scientific paper
Apr 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984pggp.rept..250h&link_type=abstract
In NASA. Washington Rept. of Planetary Geology Program, 1983 p 250-252 (SEE N84-23431 13-91)
Other
Astronomical Spectroscopy, Geochemistry, Infrared Spectra, Lunar Composition, Lunar Geology, Stratigraphy, Basalt, Ejecta, Lunar Craters, Lunar Maria, Plateaus, Pyrenes, Spectrum Analysis
Scientific paper
Near infrared reflectance spectra for the Aristachus region, obtained using the 2.2m UH telescope at the Mauna Kea Observatory, were reduced and analyzed. The spectra obtained for the central peak, southern floor, southwestern wall, eastern wall, and northwestern wall of Aristachus crater exhibit shallow continuum slopes, relatively strong feldspar bands, pyroxene bands stronger than those typically seen in the spectra of fresh higland features, and pyroxene band centers near l micrometer suggesting the dominance of Ca rich clinopyroxene. The spectrum of the south rim of Aristachus is quite distinct from those of other crater units. The position of Aristrchus on the plateau/mare boundary raises questions concerning compositional variations in crater ejects deposits.
Hawke H. R.
Head James W.
Lucey Paul G.
McCord Th. B.
Pieters Carlé M.
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