Critical shear stress for mechanical twinning of jadeite - an experimental study
文献类型：期刊论文
| 作者 | Orzol, J; Trepmann, CA; Stockhert, B; Shi, G |
| 刊名 | TECTONOPHYSICS
 |
| 出版日期 | 2003-09-11 |
| 卷号 | 372期号:3-4页码:135-145 |
| 关键词 | deformation experiments mechanical twinning jadeite paleopiezometry |
| ISSN号 | 0040-1951 |
| DOI | 10.1016/S0040-1951(03)00242-7 |
| 文献子类 | Article |
| 英文摘要 | Coarse-grained natural jadeitite samples from Myanmar were experimentally deformed in a Griggs-type solid-medium apparatus at strain rates of 2(.)10(-5) and 5(.)10(-6) s(-1) and temperatures of 900 and 1000 degreesC. The microfabrics of the deformed samples are investigated by scanning electron microscopy (SEM) using the electron backscatter diffraction (EBSD) technique. The critical shear stress for twinning in the (100) [001] system is derived from the orientation distribution of jadeite crystals with and without mechanical twins. The results indicate a homogeneous stress field within the sample and a critical shear stress of 150+/-25 MPa, which compares well to that determined by Kolle and Blacic [J. Geophys. Res. 87 (1982) 4019] for mechanical twinning of other clinopyroxenes. With the critical shear stress known, mechanical twinning of jadeite can be used as a paleopiezometer for high stress tectonic environments. (C) 2003 Elsevier B.V. All rights reserved. |
| WOS关键词 | POSTSEISMIC CREEP ; WESTERN ALPS ; DEFORMATION ; PRESSURE ; ORIENTATION ; DIOPSIDE ; ROCKS ; FLOW ; SEM |
| WOS研究方向 | Geochemistry & Geophysics |
| 语种 | 英语 |
| WOS记录号 | WOS:000186405600002 |
| 出版者 | ELSEVIER SCIENCE BV |
| 源URL | [http://ir.iggcas.ac.cn/handle/132A11/78131]  |
| 专题 | 中国科学院地质与地球物理研究所 |
| 通讯作者 | Orzol, J |
| 作者单位 | 1.Ruhr Univ Bochum, Inst Geol Mineral & Geophys, D-4630 Bochum, Germany 2.Chinese Acad Sci, Inst Geol & Geophys, Beijing, Peoples R China |
| 推荐引用方式 GB/T 7714 | Orzol, J,Trepmann, CA,Stockhert, B,et al. Critical shear stress for mechanical twinning of jadeite - an experimental study[J]. TECTONOPHYSICS,2003,372(3-4):135-145. |
| APA | Orzol, J,Trepmann, CA,Stockhert, B,&Shi, G.(2003).Critical shear stress for mechanical twinning of jadeite - an experimental study.TECTONOPHYSICS,372(3-4),135-145. |
| MLA | Orzol, J,et al."Critical shear stress for mechanical twinning of jadeite - an experimental study".TECTONOPHYSICS 372.3-4(2003):135-145. |
入库方式： OAI收割
来源：地质与地球物理研究所
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