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Igneous rock from Severnyi Kolchim (H3) chondrite: Nebular originThe discovery of lithic fragments with compositions and textures similar to igneous differentiates in unequilibrated ordinary chondrites (UOC's) and carbonaceous chondrites (CC's) has been interpreted as to suggest that planetary bodies existed before chondrites were formed. As a consequence, chondrites (except, perhaps CI chondrites) cannot be considered primitive assemblages of unprocessed nebular matter. We report about our study of an igneous clast from the Severnyi Kolchim (H3) chondrite. The results of the study are incompatible with an igneous origin of the clast but are in favor of a nebular origin similar to that of chondrules.
Document ID
19940016170
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Nazarov, M. A.
(Academy of Sciences (USSR) Moscow, Ussr)
Brandstaetter, F.
(Naturhistorisches Museum Vienna, Austria)
Kurat, G.
(Naturhistorisches Museum Vienna, Austria)
Date Acquired
September 6, 2013
Publication Date
January 1, 1993
Publication Information
Publication: Lunar and Planetary Inst., Twenty-Fourth Lunar and Planetary Science Conference. Part 3: N-Z
Subject Category
Astrophysics
Accession Number
94N20643
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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