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Cenozoic tectonic subsidence in the southern continental margin, South China Sea
Fang, PG; Ding, WW; Fang, YX; Zhao, ZX; Feng, ZB; wwding@sio.org.cn
2017
发表期刊FRONTIERS OF EARTH SCIENCE
卷号11期号:2页码:427-441
摘要We analyzed two recently acquired multi-channel seismic profiles across the Dangerous Grounds and the Reed Bank area in the South China Sea. Reconstruction of the tectonic subsidence shows that the southern continental margin can be divided into three stages with variable subsidence rate. A delay of tectonic subsidence existed in both areas after a break-up, which was likely related to the major mantle convection during seafloor spreading, that was triggered by the secondary mantle convection below the continental margin, in addition to the variation in lithospheric thickness. Meanwhile, the stage with delayed subsidence rate differed along strikes. In the Reed Bank area, this stage is between 32-23.8 Ma, while in the Dangerous Grounds, it was much later (between 19-15.5 Ma). We believe the propagated rifting in the South China Sea dominated the changes of this delayed subsidence rate stage.
部门归属[Fang, Penggao; Ding, Weiwei; Fang, Yinxia] State Ocean Adm, Inst Oceanog 2, Hangzhou 310012, Zhejiang, Peoples R China; [Zhao, Zhongxian] Chinese Acad Sci, South China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China; [Feng, Zhibing] Ocean Univ China, Coll Marine Geosci, Qingdao 266100, Peoples R China
关键词Dangerous Ground Reed Bank Area Tectonic Subsidence Secondary Mantle Convection Propagated Rifting
资助项目MSG
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/16506
专题中科院边缘海地质重点实验室
通讯作者wwding@sio.org.cn
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GB/T 7714
Fang, PG,Ding, WW,Fang, YX,et al. Cenozoic tectonic subsidence in the southern continental margin, South China Sea[J]. FRONTIERS OF EARTH SCIENCE,2017,11(2):427-441.
APA Fang, PG,Ding, WW,Fang, YX,Zhao, ZX,Feng, ZB,&wwding@sio.org.cn.(2017).Cenozoic tectonic subsidence in the southern continental margin, South China Sea.FRONTIERS OF EARTH SCIENCE,11(2),427-441.
MLA Fang, PG,et al."Cenozoic tectonic subsidence in the southern continental margin, South China Sea".FRONTIERS OF EARTH SCIENCE 11.2(2017):427-441.
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