Deformation experiment at P-T conditions of the mantle transition zone using D-DIA apparatus

被引：16
|
作者：
Kawazoe, Takaaki [1 ]
Nishiyama, Norimasa [1 ]
Nishihara, Yu [1 ,2 ]
Irifune, Tetsuo [1 ]
机构：
[1] Ehime Univ, Geodynam Res Ctr, Matsuyama, Ehime 7908577, Japan
[2] Ehime Univ, Senior Res Fellow Ctr, Matsuyama, Ehime 7908577, Japan
来源：
PHYSICS OF THE EARTH AND PLANETARY INTERIORS | 2010年 / 183卷 / 1-2期
关键词：
Wadsleyite; Ringwoodite; Rheology; Viscosity; Mantle dynamics; Mantle transition zone; X-RAY-DIFFRACTION; HIGH-PRESSURE; PHASE-TRANSFORMATIONS; PLASTIC-DEFORMATION; 15; GPA; OLIVINE; TEMPERATURE; MG2SIO4; RINGWOODITE; WADSLEYITE;
D O I：
10.1016/j.pepi.2010.07.004
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
Technical developments in high-pressure and high-temperature generation have been made, adopting a recently devised multi-anvil 6-6 (MA 6-6) assembly with tungsten carbide (WC) anvils. As a result, the pressure and temperature conditions available in a cubic-anvil DIA type apparatus have been extended to 20 GPa and 2000 K. Using this assembly operated in a deformation-DIA (D-DIA) apparatus, a deformation experiment to a strain of 15% on a mixture of wadsleyite and ringwoodite was successfully conducted at 16 GPa and 1700 K and at a strain rate of 6 x 10(-5) s(-1), demonstrating potential of the present MA 6-6 assembly as an important tool to investigate rheological properties of high-pressure phases under the conditions of the mantle transition zone. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：190 / 195
页数：6
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