Diamonds: minor elements in silicate inclusions: pressure - temperature implications.

R. L. Hervig, J. V. Smith, I. M. Steele, J. J. Gurney, H. O.A. Meyer, J. W. Harris

Research output: Contribution to journalArticle

43 Scopus citations

Abstract

Using new electron and ion-microprobe analyses of 36 olivines, 9 pyroxenes, and 10 garnets included in diamonds, it is interpreted that there must be a temporal change of T or chemistry, or both, in the mantle source-lherzolitic regions of diamonds. Some of the Cr in the olivine inclusions may be divalent suggesting that the host diamond grew in a reducing environment, not typical of lherzolites, and some diamonds grew in the presence of a liquid containing H2O and CO2. M.J.Le B.

Original languageEnglish (US)
Pages (from-to)6919-6929
Number of pages11
JournalJournal of Geophysical Research
Volume85
Issue numberB12
DOIs
StatePublished - Jan 1 1980
Externally publishedYes

ASJC Scopus subject areas

  • Geophysics
  • Forestry
  • Oceanography
  • Aquatic Science
  • Ecology
  • Water Science and Technology
  • Soil Science
  • Geochemistry and Petrology
  • Earth-Surface Processes
  • Atmospheric Science
  • Earth and Planetary Sciences (miscellaneous)
  • Space and Planetary Science
  • Palaeontology

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