Redox effects in ordinary chondrites and implications for asteroid spectrophotometry

Details Redox effects in ordinary chondrites and implications for asteroid spectrophotometry Redox effects in ordinary chondrites and implications for asteroid spectrophotometry

Feb 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992icar...95..239m&link_type=abstract

Icarus (ISSN 0019-1035), vol. 95, Feb. 1992, p. 239-243.

Computer Science

10

Asteroids, Chondrites, Metamorphism (Geology), Meteoritic Composition, Spectrophotometry, Olivine, Oxidation, Pyroxenes, Rotational Spectra, Spectral Reflectance

Scientific paper

The sensitivity of reflectance spectra to mean ferrous iron content and olivine and pyroxene proportion enhancements in the course of metamorphic oxidation is presently used to examine whether metamorphically-induced ranges in mineralogy, and corresponding spectral parameters, may explain the observed variations in S-asteroid rotational spectra. The predicted spectral variations within any one chondrite class are, however, insufficient to account for S-asteroid rotational spectra, and predicted spectral-range slopes have a sign opposite to the rotational measurements. Metamorphic oxidation is found unable to account for S-asteroid rotational spectra.

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