Computer Science
Scientific paper
Mar 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996lpi....27..481h&link_type=abstract
Lunar and Planetary Science, volume 27, page 481
Computer Science
Mars, Pyroxene, Spectroscopy: Infrared
Scientific paper
Zagami is a fine- to medium-grained basaltic shergottite primarily composed of pyroxene and maskelynite. If this meteorite represents a piece of the martian surface, as proposed by previous workers, then it can provide information about some of the most recent igneous processes on Mars. The Mars Global Surveyor spacecraft will carry the Thermal Emission Spectrometer for spectral mapping of the martian surface. We apply this technique by comparing the infrared spectrum of Zagami to the spectra of major rock-forming minerals. We find that the positions of absorption features in pyroxene spectra bear the most similarity to absorptions in the Zagami spectrum. Additionally, we are able to identify spectral characteristics of pyroxenes known to be present in Zagami, and we can eliminate at least one pyroxene that is not present in Zagami on the basis of spectral dissimilarities. _
Christensen Per Rex
Hamilton Victoria E.
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