Carbonaceous inclusions in the LL3 chondrite Krymka

Details Carbonaceous inclusions in the LL3 chondrite Krymka Carbonaceous inclusions in the LL3 chondrite Krymka

Aug 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991geokh.....1111s&link_type=abstract

Geokhimiia (ISSN 0016-7525), Aug. 1991, p. 1111-1121. In Russian.

Other

Agglomeration, Carbonaceous Chondrites, Meteoritic Composition, Meteoritic Microstructures, Olivine, Organic Materials, Pyroxenes, Trace Elements

Scientific paper

Results are presented on the structures and compositions of two new carbonaceous inclusions in the Krymka chondrite, which contain a mysterite phase enriched by Ag, Zn, and Bi volatiles. The inclusions were found to consist of a mixture of submicron grains of olivine, troilite, and metals mixed with organic matter. It is suggested that the mysterite substance is the organic phase from which the volatile metal complexes were formed at the last stages of condensation of a dust nebula. It is suggested that the preagglomeration histories of the two inclusions are different: one represents a fragment of a carbonaceous chondrite of an unknown group, while the other is a fragment of a large carbonaceous body that penetrated the chondrite.

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