Search for evidence of source event grouping among ureilites

S. P. Beard, T. D. Swindle

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


We use cosmic-ray exposure (CRE) ages of ureilites, combined with magnesium numbers of olivine, and oxygen isotopes, to search for evidence of specific source events initiating exposure for groups of ureilites. This technique can also be used to investigate the heterogeneity of the body from which the samples were derived. There are a total of 39 ureilites included in our work, which represents the largest collection of ureilite CRE age data used to date. Although we find some evidence of possible clusters, it is clear that most ureilites did not originate in one or two events on a homogeneous parent body.

Original languageEnglish (US)
Pages (from-to)2343-2352
Number of pages10
JournalMeteoritics and Planetary Science
Issue number11
StatePublished - Nov 2017

ASJC Scopus subject areas

  • Geophysics
  • Space and Planetary Science


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