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Ba isotopic compositions in stardust SiC grains from the Murchison meteorite: Insights into the stellar origins of large SiC grains

Avila, Janaina; Gyngard, Frank; Zinner, Ernst; Mallmann, Guilherme; Lugaro, Maria; Holden, Peter; Amari, Sachiko; Ireland, Trevor


We report barium isotopic measurements in 12 large (7-58μm) stardust silicon carbide grains recovered from the Murchison carbonaceous chondrite. The C-, N-, and Si-isotopic compositions indicate that all 12 grains belong to the mainstream population and,

CollectionsANU Research Publications
Date published: 2013
Type: Journal article
Source: Geochimica et Cosmochimica Acta
DOI: 10.1016/j.gca.2013.03.039


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