The mineral chemistry and origin of inclusion matrix and meteorite matrix in the Allende CV3 chondrite

Details The mineral chemistry and origin of inclusion matrix and meteorite matrix in the Allende CV3 chondrite The mineral chemistry and origin of inclusion matrix and meteorite matrix in the Allende CV3 chondrite

Aug 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984gecoa..48.1663k&link_type=abstract

Geochimica et Cosmochimica Acta (ISSN 0016-7037), vol. 48, Aug. 1984, p. 1663-1676.

Physics

16

Carbonaceous Chondrites, Inclusions, Meteoritic Composition, Mineralogy, Condensation, Electron Microscopy, Matrix Materials, Microanalysis, Nebulae, Olivine, Petrography, Pyroxenes, Meteorites, Mineralogy, Chemistry, Origin, Inclusions, Matrix, Models, Allende, Cv3 Chondrites, Texture, Olivine, Vaporization, Parent Bodies, Samples, Meteorite, Description, Comparisons, Classification, Melting, Formation, Aggregates, Condensates, Heating, Solar Nebula, Composition, Recrystallization

Scientific paper

The mineralogy and mineral chemistry of the inclusion and meteorite matrices in the Allende CV3 chondrite are described, and the physical and chemical parameters of the conventional equilibrium condensation model of the origin of chondrite meteorites are evaluated. An alternative model of the origin of the mafic constituent of Allende inclusions is presented, on the basis of a new model of chondrule petrogenesis and the physical evolution of the primitive solar nebula. The model shows that the mineral chemistry of the olivine matrix in Allende CV3 seems to preserve a good record of nebular and planetary processes, including: (1) vapor-to-solid condensation under relatively oxidizing nonequilibrium conditions; (2) Fe/Mg equilibration in the meteorite parent body; and (3) recrystallization and incipient melting in the solar nebula.

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