Reflection spectra of shocked ordinary chondrites and their relationship to asteroids

Details Reflection spectra of shocked ordinary chondrites and their relationship to asteroids Reflection spectra of shocked ordinary chondrites and their relationship to asteroids

Jul 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992icar...98...43k&link_type=abstract

Icarus (ISSN 0019-1035), vol. 98, no. 1, July 1992, p. 43-53.

Mathematics

Logic

20

Asteroids, Chondrites, Meteoritic Composition, Optical Reflection, Planetary Composition, Spectrum Analysis, Absorption Spectra, Mineralogy

Scientific paper

Spectral reflectance measurements are conducted of a number of mineralogically well-characterized, shock-blackened ordinary chondrites exhibiting four types of shock-generated black features: (1) opaque melt shock veins, (2) melt pockets and irregular interconnected melt veins, (3) melt dikes, and (4) black chondrites. While their spectra resemble those of C asteroids, these materials are found in impact crater basements and floors rather than surfaces and are of low abundances; they therefore cannot be responsible for large-scale spectral alterations of the parent asteroids of ordinary chondrites, and offer no support for the supposition that ordinary chondrite asteroids are hidden among C asteroids.

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