Diogenite exposure ages

G. F. Herzog, P. J. Cressy

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

He, Ne and Ar isotopes have been measured in six, and 26Al in two diogenites. Cosmic-ray exposure ages corrected for shielding effects using 22Ne/21Ne ratios are generally concordant. Five diogenites have a group age of 14 Myr and three others may have a group age of 24 Myr, implying that two collisions may have produced 8 of the 9 diogenites.

Original languageEnglish (US)
Pages (from-to)127-134
Number of pages8
JournalGeochimica et Cosmochimica Acta
Volume41
Issue number1
DOIs
StatePublished - Jan 1977
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Geochemistry and Petrology

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