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American Mineralogist

Journal of Earth and Planetary Materials

Ed. by Baker, Don / Xu, Hongwu / Swainson, Ian


IMPACT FACTOR 2018: 2.631

CiteScore 2018: 2.55

SCImago Journal Rank (SJR) 2018: 1.355
Source Normalized Impact per Paper (SNIP) 2018: 1.103

Online
ISSN
1945-3027
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Volume 88, Issue 10

Issues

Elastic properties of hydrous ringwoodite

Jingyun Wang
  • Corresponding author
  • Department of Geology, University of Illinois at Urbana-Champaign, 1301 West Green Street, Urbana, Illinois 61801, U.S.A.
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  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Stanislav V. Sinogeikin
  • Department of Geology, University of Illinois at Urbana-Champaign, 1301 West Green Street, Urbana, Illinois 61801, U.S.A.
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Toru Inoue / Jay D. Bass
  • Department of Geology, University of Illinois at Urbana-Champaign, 1301 West Green Street, Urbana, Illinois 61801, U.S.A.
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
Published Online: 2015-03-31 | DOI: https://doi.org/10.2138/am-2003-1025

Abstract

Sound velocities and single-crystal elastic moduli of hydrous γ-Mg2SiO4 (ringwoodite) containing 2.3 wt% H2O have been measured by Brillouin spectroscopy at ambient conditions. The aggregate elastic moduli (VRH averages) are KS = 165.8(5) GPa and m = 107.4(3) GPa for the adiabatic bulk modulus and shear modulus, respectively. Although the aggregate elastic moduli and acoustic velocities of hydrous ringwoodite are smaller than those of anhydrous ringwoodite by about 10% and 3.6% respectively, our results indicate that water has a smaller effect on the elastic moduli and velocities of ringwoodite than implied by previous studies. Our new results are consistent with systematic relationships between changes in the elastic properties and density that accompany the hydration of mineral phases.

About the article

Received: 2003-01-26

Accepted: 2003-05-22

Published Online: 2015-03-31

Published in Print: 2003-10-01


Citation Information: American Mineralogist, Volume 88, Issue 10, Pages 1608–1611, ISSN (Online) 1945-3027, ISSN (Print) 0003-004X, DOI: https://doi.org/10.2138/am-2003-1025.

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© 2015 by Walter de Gruyter Berlin/Boston.

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