Abstract

Equilibration temperatures for enstatite chondrites are calculated using a method suggested by Larimer (1968). The temperatures range from 640° to 840°C. The method yields temperatures which, in principle, are correct on a relative scale but the absolute error may be a large as 150°. There is a good correlation between the calculated temperatures and petrologic type as well as other mineralogic characteristics and bulk composition. Partial pressures of sulfur and oxygen at the time of equilibration were: pS2 ~ 10-8-10-12 atm and pO2 ~ 10-28-10-37.

Original languageEnglish (US)
Pages (from-to)471-477
Number of pages7
JournalGeochimica et Cosmochimica Acta
Volume38
Issue number3
DOIs
StatePublished - Mar 1974

ASJC Scopus subject areas

  • Geochemistry and Petrology

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