Asteroid surface materials - Mineralogical characterizations from reflectance spectra

Details Asteroid surface materials - Mineralogical characterizations from reflectance spectra Asteroid surface materials - Mineralogical characterizations from reflectance spectra

Mar 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978ssrv...21..555g&link_type=abstract

Space Science Reviews, vol. 21, Mar. 1978, p. 555-628.

Mathematics

Logic

32

Asteroids, Astronomical Spectroscopy, Mineralogy, Planetary Composition, Planetary Surfaces, Spectral Reflectance, Abundance, Meteoritic Composition, Petrology, Solar System, Spectrum Analysis, Stellar Evolution, Thermal Environments, Asteroids, Surface, Minerals, Composition, Meteorites, Spectra, Reflectivity, Optical Properties, Spectrum, Mineralogy, Petrology

Scientific paper

The use of general and specific diagnostic spectral features and parameters to interpret most of the published high-quality reflectance spectra of asteroids is discussed. Such diagnostics are shown to provide the most complete and sophisticated mineralogically and petrologically based interpretation of the asteroid surface materials. Previous investigations of asteroid surface materials are exhaustively reviewed, emphasizing the general approaches employed, sources of information, previous characterizations of asteroid surface materials, and asteroid spectral groups. The interpretive methodology is then applied to spectral reflectance data for many individual members of the various spectral groups. A range of mineral assemblages similar to certain meteorite classes is identified, and evidence is presented for a selective high-temperature event that melted certain asteroid parent bodies and permitted their differentiation as some function of distance from the sun or the protosun and of the size of the protoasteroid. Possible candidates are proposed for the source bodies of different meteorite groups.

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