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

页码：190 / 195

页数：6

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