Pressure and temperature dependences of elastic properties of grossular garnet up to 17 GPa and 1 650 K

Yoshio Kono, Steeve Gréaux, Yuji Higo, Hiroaki Ohfuji, Tetsuo Irifune

Research output: Contribution to journalArticlepeer-review

27 Citations (Scopus)

Abstract

Simultaneous ultrasonic elastic wave velocity and in situ synchrotron X-ray measurements on grossular garnet were carried out up to 17 GPa and 1 650 K. P- and S-wave velocities and bulk and shear modulus showed linear pressure and temperature dependence. These data yielded a pressure derivative of the bulk modulus of 4.42(7) and a shear modulus of 1.27(3), which are in good agreement with those of garnets with variable chemical compositions. Temperature dependence of the bulk modulus of grossular (-1.36×10-2 GPa/K) is also similar to that of other garnets, while the temperature dependence of the shear modulus of grossular (-1.11×10-2 GPa/K) is higher than those of magnesium end-member garnets and pyrolitic garnet.

Original languageEnglish
Pages (from-to)782-791
Number of pages10
JournalJournal of Earth Science
Volume21
Issue number5
DOIs
Publication statusPublished - 2010 Oct
Externally publishedYes

Keywords

  • elastic property
  • garnet
  • grossular
  • high pressure
  • high temperature

ASJC Scopus subject areas

  • Earth and Planetary Sciences(all)

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