Accretion and Disruption Histories of the Ordinary Chondrite Parent Bodies

Edwards G. H. * Blackburn T. Alexander C. M. O’D.

80th Annual Meeting of the Meteoritical Society 2017 [#6367]

abstract (PDF)

“Discrepant Pb-Pb phosphate ages and Ni-metal metallographic cooling rates for ordinary chondrites may be explained by a decoupling of the two systems along parent body cooling paths interrupted by a catastrophic disruption at ~60 My after CAIs.”