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Surface compositions in the Aristarchus Region: Implications for regional stratigraphyNear 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.
Document ID
19840015451
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Hawke, H. R.
(Hawaii Univ. Honolulu, HI, United States)
Lucey, P. G.
(Hawaii Univ. Honolulu, HI, United States)
Mccord, T. B.
(Hawaii Univ. Honolulu, HI, United States)
Pieters, C. M.
(Brown Univ. Providence, R.I., United States)
Head, J. W.
(Brown Univ. Providence, R.I., United States)
Date Acquired
August 12, 2013
Publication Date
April 1, 1984
Publication Information
Publication: NASA. Washington Rept. of Planetary Geology Program, 1983
Subject Category
Lunar And Planetary Exploration
Accession Number
84N23519
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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