Geodynamic characteristics of tectonic extension in the northern margin of South China Sea
文献类型:期刊论文
作者 | Zhang, JA; Wang, JY |
刊名 | SCIENCE IN CHINA SERIES D-EARTH SCIENCES
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出版日期 | 2001-05-01 |
卷号 | 44期号:5页码:437-445 |
关键词 | the northern margin of South China Sea the zone of continental margin thermal and theological structure layered deformation of lithosphere |
ISSN号 | 1006-9313 |
文献子类 | Article |
英文摘要 | Based on the geothermal and gravitation methods, this paper investigated the theological and thermal structure of the lithosphere under the northern margin of South China Sea. The result shows that the temperature of the upper crust is 150-300 degreesC lower than that of the lower crust, and the viscous coefficient of the upper crust is 2-3 orders of magnitude larger than that of the lower crust. It reveals that the upper crust is characterized by brittle deformation while the lower crust by ductile deformation. A channel of lower-viscosity should be formed between the upper and lower crust when the lithosphere is scattered and spreads out toward ocean from northwest to southeast along the northern margin of South China Sea. And, a brittle deformation takes place in the upper part of the lithosphere while a ductile deformation takes place in the lower part of the lithosphere due to different viscous coefficients and temperature. The layered deformation leads the faulted blocks to rotate along the faulting and the marginal grabens to appear in the northern margin of South China Sea in Cenozoic tectonic expansion. |
WOS研究方向 | Geology |
语种 | 英语 |
WOS记录号 | WOS:000169557300006 |
出版者 | SCIENCE PRESS |
源URL | [http://ir.iggcas.ac.cn/handle/132A11/76551] ![]() |
专题 | 中国科学院地质与地球物理研究所 |
通讯作者 | Zhang, JA |
作者单位 | 1.Univ Sci & Technol China, Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China 2.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China |
推荐引用方式 GB/T 7714 | Zhang, JA,Wang, JY. Geodynamic characteristics of tectonic extension in the northern margin of South China Sea[J]. SCIENCE IN CHINA SERIES D-EARTH SCIENCES,2001,44(5):437-445. |
APA | Zhang, JA,&Wang, JY.(2001).Geodynamic characteristics of tectonic extension in the northern margin of South China Sea.SCIENCE IN CHINA SERIES D-EARTH SCIENCES,44(5),437-445. |
MLA | Zhang, JA,et al."Geodynamic characteristics of tectonic extension in the northern margin of South China Sea".SCIENCE IN CHINA SERIES D-EARTH SCIENCES 44.5(2001):437-445. |
入库方式: OAI收割
来源:地质与地球物理研究所
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