High-temperature vaporization of meteorites

Details High-temperature vaporization of meteorites High-temperature vaporization of meteorites

Mar 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997lpi....28..299d&link_type=abstract

Conference Paper, 28th Annual Lunar and Planetary Science Conference, p. 299.

Computer Science

Meteoritic Composition, High Temperature Environments, Vaporizing, Carbonaceous Chondrites, Magnesium, Silicon, Condensates, Iron, X Ray Spectroscopy, Sulfides, Oxides

Scientific paper

High-temperature vaporization trends of meteorites are experimentally studied in two ordinary chondrites and in the Allende carbonaceous chondrite. Analyses of the condensates show a noticeable decrease in (Mg+Fe)/Si and Mg/Si ratios compared to initial sample composition. Deconvolution of XPS spectra shows that the condensates have (SiO4)(4-) polymerization mainly in chain structures. Mg is mainly bound in silicates, but Fe together with its incorporation into silicates also forms noticeable portions of metallic, sulfide, oxide, and carbonate phases.

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