Other
Scientific paper
Jun 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993gecoa..57.2869a&link_type=abstract
Geochimica et Cosmochimica Acta (ISSN 0016-7037), vol. 57, no. 12, p. 2869-2888.
Other
48
Abundance, Chondrites, Cosmochemistry, Cosmology, Radioactive Age Determination, Silicon Carbides, Asymptotic Giant Branch Stars, Carbon Isotopes, Carbon Stars, Protostars, Solar System Evolution, Meteorites, Stony Meteorites, Chondrites, C Chondrites, Silicon Carbide, Origin, Source, Carbon, Silicon, Isotopes, Samples, Meteorite, Models, Laboratory Studies, Leoville, Cv3 Chondrites, Qingzhen, Eh3 Chondrites, Murchison, Uocs, Grains, Comparison, Statistical Methods, Formation, Inman, Procedure, Data, Bishun
Scientific paper
The carbon and silicon isotropic compositions of 246 isotopically anomalous SiC grains measured in low concentration residues are reported. The residues were prepared from nine chondrites, namely, 6 unequilibrated ordinary chondrites (UOCs), Qingzhen (EH3), Leoville (CV3), and Murchison (CM2). Murchison is used as a standard to which all the other meteorites studied are compared. The range of isotopic compositions exhibited by UOC SiC is found to be similar to Murchison, except in Inman. Inman SiC has a distinctly different distribution of its silicon isotopic composition compared to the other meteorites. Residues from Qingzhen and Leoville produce only one anomalous SiC grain each.
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