IOCAS-IR  > 海洋地质与环境重点实验室
Crustal stretching style variations in the northern margin of the South China Sea
Bai, Yongliang1,2; Dong, Dongdong3; Brune, Sascha4,5; Wu, Shiguo6; Wang, Zhenjie1,2
2019-01-20
发表期刊TECTONOPHYSICS
ISSN0040-1951
卷号751页码:1-12
通讯作者Bai, Yongliang(yongliang.bai1986@gmail.com)
摘要Linking deep seismic profiles with regional-scale gravity inversion is a powerful tool to deduce the architecture of rifted margins and their structural evolution. Here we map upper and lower crustal thicknesses of the northern South China Sea (SCS) margin in order to investigate the occurrence of depth-dependent crustal extension from the proximal to the distal margin. By comparing upper and lower crustal stretching factors, we find that the northern margin of the SCS is segmented in three parts: (1) sedimentary basins where upper crust is stretched more than lower crust, (2) distal margin where lower crust is stretched more than upper crust, (3) mostly proximal margin regions where the two layers have similar stretching factors. Our results suggest that sedimentary basins and distal margin prominently feature depth-dependent extension, however accommodated by different processes. While differential thinning within sedimentary basins appears to be governed by lateral pressure variations inducing lower crustal flow, we suggest the distal margin to be affected by a combination of mantle flow-induced lower crustal shearing and sequential fault activity during crustal hyper-extension.
关键词Crustal stretching style Lower crustal flow The northern margin of the South China Sea Gravity inversion Sediment load Divergent mantle flow
DOI10.1016/j.tecto.2018.12.012
收录类别SCI
语种英语
资助项目Helmholtz Association[VH-NG-1132] ; Key Research Program of the Chinese Academy of Sciences[Y10131] ; Open Fund of the Key Laboratory of Marine Geology and Environment, Chinese Academy of Sciences[MGE2017KG01] ; Fundamental Research Funds for the Central Universities China[18CX02064A] ; Fundamental Research Funds for the Central Universities China[17CX02003A] ; National Natural Science Foundation of China[41506085] ; National Natural Science Foundation of China[U170120019] ; National Natural Science Foundation of China[41476042] ; National Natural Science Foundation of China[41476046] ; National Natural Science Foundation of China[41506055] ; National Natural Science Foundation of China[41506055] ; National Natural Science Foundation of China[41476046] ; National Natural Science Foundation of China[41476042] ; National Natural Science Foundation of China[U170120019] ; National Natural Science Foundation of China[41506085] ; Fundamental Research Funds for the Central Universities China[17CX02003A] ; Fundamental Research Funds for the Central Universities China[18CX02064A] ; Open Fund of the Key Laboratory of Marine Geology and Environment, Chinese Academy of Sciences[MGE2017KG01] ; Key Research Program of the Chinese Academy of Sciences[Y10131] ; Helmholtz Association[VH-NG-1132]
WOS研究方向Geochemistry & Geophysics
WOS类目Geochemistry & Geophysics
WOS记录号WOS:000458938900001
出版者ELSEVIER SCIENCE BV
引用统计
被引频次:24[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/155397
专题海洋地质与环境重点实验室
通讯作者Bai, Yongliang
作者单位1.China Univ Petr, Sch Geosci, Qingdao 266580, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Mineral Resources, Qingdao 266071, Peoples R China
3.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China
4.GFZ German Res Ctr Geosci, Geodynam Modelling Sect, Potsdam, Germany
5.Univ Potsdam, Inst Earth & Environm Sci, Potsdam, Germany
6.Chinese Acad Sci, Inst Deep Sea Sci & Engn, Sanya 572000, Peoples R China
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GB/T 7714
Bai, Yongliang,Dong, Dongdong,Brune, Sascha,et al. Crustal stretching style variations in the northern margin of the South China Sea[J]. TECTONOPHYSICS,2019,751:1-12.
APA Bai, Yongliang,Dong, Dongdong,Brune, Sascha,Wu, Shiguo,&Wang, Zhenjie.(2019).Crustal stretching style variations in the northern margin of the South China Sea.TECTONOPHYSICS,751,1-12.
MLA Bai, Yongliang,et al."Crustal stretching style variations in the northern margin of the South China Sea".TECTONOPHYSICS 751(2019):1-12.
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