SCSIO OpenIR  > 中科院边缘海地质重点实验室
Shallow anatomy of a continent-ocean transition zone in the northern South China Sea from multichannel seismic data
Zhu, JJ; Qiu, XL; Kopp, H; Xu, HL; Sun, ZX; Ruan, AG; Sun, JL; Wei, XD; jzhu@scsio.ac.cn; xlqiu@scsio.ac.cn; hkopp@geomar.de; hlxu@scsio.ac.cn; sunzx@scsio.ac.cn; ruanag@163.com; sunjl@scsio.ac.cn; xdwei@scsio.ac.cn
2012
发表期刊TECTONOPHYSICS
ISSN0040-1951
卷号554页码:18-29
摘要The Cenozoic tectonic evolution of the South China Sea is reflected in diverse tectonic processes including continental rifting, seafloor spreading, subduction, terrane collision and strike-slip fault movement. A continent-ocean transition zone in the northern South China Sea caused by the lithospheric extension when the continent underwent break-up, rifting and later seafloor spreading, is clearly imaged in the multi-channel seismic data presented in this study. The morphological units of the continent-ocean transition zone are the rift-depression, the volcanic zone and tilted fault blocks. The volcanic zone represents a highest extension zone within the continent-ocean transition zone and is mainly distributed in the southern slope uplift zone along the northern passive margin of the South China Sea. The large listric-normal faults bounding the Dongsha Rise and Baiyun Sag are evidenced in the seismic image. The passive margin in the northern South China Sea underwent the wide-rift to narrow-rift process in the transition zone as inferred from the relation between the surface heat flow and initial rifted crustal thickness. The continent-ocean transition zone in the continental margin of the South China Sea is consistent with high heat flow zone (average 90 mW.m(-2)) observed in the previous heat flow measurements and at ODP Site 1148, and is manifested in a sharp change of the P-wave velocity. The rifted margin of the South China Sea is a non-typical magma poor passive margin or an intermediary form between the Iberian-type non-volcanic and the Greenland-type volcanic margin compared to the world's typical passive margins. (C) 2012 Elsevier B.V. All rights reserved.
部门归属[Zhu, Junjiang; Qiu, Xuelin; Xu, Huilong; Sun, Zongxun; Sun, Jinlong; Wei, Xiaodong] Chinese Acad Sci, S China Sea Inst Oceanol, Key Lab Marginal Sea Geol, Guangzhou 510301, Peoples R China; [Kopp, Heidrun] Helmholtz Ctr Ocean Res Kiel GEOMAR, D-24148 Kiel, Germany; [Ruan, Aiguo] SOA, Inst Oceanog 2, Hangzhou 310012, Zhejiang, Peoples R China
关键词Continent Ocean Transition Zone Multi-channel Seismic Data South China Sea Continental Passive Margins
学科领域Geochemistry & Geophysics
语种英语
资助项目海洋地质
WOS记录号WOS:000307136900002
引用统计
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/10325
专题中科院边缘海地质重点实验室
通讯作者jzhu@scsio.ac.cn; xlqiu@scsio.ac.cn; hkopp@geomar.de; hlxu@scsio.ac.cn; sunzx@scsio.ac.cn; ruanag@163.com; sunjl@scsio.ac.cn; xdwei@scsio.ac.cn
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GB/T 7714
Zhu, JJ,Qiu, XL,Kopp, H,et al. Shallow anatomy of a continent-ocean transition zone in the northern South China Sea from multichannel seismic data[J]. TECTONOPHYSICS,2012,554:18-29.
APA Zhu, JJ.,Qiu, XL.,Kopp, H.,Xu, HL.,Sun, ZX.,...&xdwei@scsio.ac.cn.(2012).Shallow anatomy of a continent-ocean transition zone in the northern South China Sea from multichannel seismic data.TECTONOPHYSICS,554,18-29.
MLA Zhu, JJ,et al."Shallow anatomy of a continent-ocean transition zone in the northern South China Sea from multichannel seismic data".TECTONOPHYSICS 554(2012):18-29.
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