橄榄石集合体的简单剪切形变实验研究

Translated title of the contribution: Simple shear deformation experiment on iron rich olivine aggregates

Yong Hong Zhao, Xiao Fan Li, M. Zimmerman, David L. Kohlstedt

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Simple shear creep deformation experiments were performed using high resolution gas media apparatus on fine-grained samples of(Mg0.5, Fe0.5)2SiO4at a temperature of 1473 K and a confining pressure of 300 MPa. Differential stresses in the range of 64 to 153 MPa resulted in strain rates between 10-5~ 10-3s-1. Three samples were deformed to the shear strain of 89%, 131% and 200%, respectively. From the micro-structural analysis, grain size distribution, lattice preferred orientation, the seismic anisotropy characteristics as well as their changes with the strain were investigated.

Translated title of the contributionSimple shear deformation experiment on iron rich olivine aggregates
Original languageChinese (Traditional)
Pages (from-to)2687-2693
Number of pages7
JournalYanshi Xuebao/Acta Petrologica Sinica
Volume25
Issue number10
DOIs
StatePublished - 2009

Bibliographical note

Publisher Copyright:
© 2009 Science Press. All rights reserved.

Keywords

  • Experimental study
  • Iron rich olivine aggregates
  • Lattice preferred orientation (LPO)
  • Seismic anisotropy
  • Simple shear deformation

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