Pressure and Temperature Dependences of Elastic Properties of Grossular Garnet up to 17 GPa and 1 650 K

被引：42

作者：

Kono, Yoshio ^{[1
]}

Greaux, Steeve ^{[1
]}

Higo, Yuji ^{[2
]}

Ohfuji, Hiroaki ^{[1
]}

Irifune, Tetsuo ^{[1
]}

机构：

[1] Ehime Univ, Geodynam Res Ctr, Matsuyama, Ehime 7908577, Japan

[2] JASRI, Hyogo 6795198, Japan

来源：

JOURNAL OF EARTH SCIENCE | 2010年 / 21卷 / 05期

关键词：

elastic property; grossular; garnet; high pressure; high temperature; SINGLE-CRYSTAL ELASTICITY; EQUATION-OF-STATE; ULTRASONIC INTERFEROMETRY; PYROPE; ANDRADITE; MAJORITE; MANTLE; COMPRESSION; SPESSARTINE; APPARATUS;

D O I：

10.1007/s12583-010-0112-2

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

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 (-1.36x10(-2)GPa/K) is also similar to that of other garnets, while the temperature dependence of the shear modulus of grossular (-1.11x10(-2)GPa/K) is higher than those of magnesium end-member garnets and pyrolitic garnet.

引用

页码：782 / 791

页数：10

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