The crustal velocity structure of the continental deep subduction belt: Study on the eastern Dabie orogen by seismic wide-angle reflection/refraction
文献类型：期刊论文
| 作者 | Liu, FT; Xu, PF; Liu, JS; Yin, ZX; Chun, KY; Zhang, XK; Zhang, CK; Zhao, JR |
| 刊名 | CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION
 |
| 出版日期 | 2003-05-01 |
| 卷号 | 46期号:3页码:366-372 |
| 关键词 | continental deep subduction belt Eastern Dabie orogen deep seismic sounding crustal velocity structure |
| ISSN号 | 0001-5733 |
| 文献子类 | Article |
| 英文摘要 | Six two-dimensional crustal structure profiles in the eastern Dabie, Anhui Province, have been obtained by the wide-angle reflection/refraction. The results reveal that the crust of the eastern Dabie orogen presents a high-velocity dome, the velocity in the middle- and lower-crust's metamorphic rocks exposed on the surface in the core of the dome approaches 5.0 km/s, the low velocity layers (body) with about 6.1 km/s has developed in upper-middle crust in it's both sides wing, the Moho discontinuity relatively largely varies. and ranges from similar to 41 km in the core to 32 similar to 34 km in both sides, and a 4 km Moho-offset is observed beneath along Xiaotian-Muzitan Fault. We recognize that the eastern Dabie orogen shows a velocity-pattern of typical continent-continent deep subduction/collision style. The Moho offset may be related with the deep subduction of the Yangtze Block, and represents the suture zone between the Yangtze/Sino-Korean Block collision. Therefore, the high-velocity dome may occur by collision/extrusion between the both continental Blocks and the low velocity layers (body) mentioned above may play an important role in the post-collisional crust extension and exhumation of the ultra-high press metamorphic rocks. |
| WOS关键词 | ULTRAHIGH-PRESSURE ; METAMORPHIC BELTS ; CENTRAL CHINA ; BENEATH ; COLLISION ; ROCKS |
| WOS研究方向 | Geochemistry & Geophysics |
| 语种 | 英语 |
| WOS记录号 | WOS:000183344600014 |
| 出版者 | SCIENCE CHINA PRESS |
| 源URL | [http://ir.iggcas.ac.cn/handle/132A11/79001]  |
| 专题 | 中国科学院地质与地球物理研究所 |
| 通讯作者 | Liu, FT |
| 作者单位 | 1.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China 2.Univ Toronto, Dept Phys, Toronto, ON M5S 2J5, Canada 3.CSB, Res Ctr Explorat Geophys, Zhengzhou 450002, Peoples R China |
| 推荐引用方式 GB/T 7714 | Liu, FT,Xu, PF,Liu, JS,et al. The crustal velocity structure of the continental deep subduction belt: Study on the eastern Dabie orogen by seismic wide-angle reflection/refraction[J]. CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,2003,46(3):366-372. |
| APA | Liu, FT.,Xu, PF.,Liu, JS.,Yin, ZX.,Chun, KY.,...&Zhao, JR.(2003).The crustal velocity structure of the continental deep subduction belt: Study on the eastern Dabie orogen by seismic wide-angle reflection/refraction.CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,46(3),366-372. |
| MLA | Liu, FT,et al."The crustal velocity structure of the continental deep subduction belt: Study on the eastern Dabie orogen by seismic wide-angle reflection/refraction".CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION 46.3(2003):366-372. |
入库方式： OAI收割
来源：地质与地球物理研究所
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