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Full-fit reconstruction of the South China Sea conjugate margins
Bai, Yongliang1; Wu, Shiguo2; Liu, Zhan3; Muller, R. Dietmar4; Williams, Simon E.4; Zahirovic, Sabin4; Dong, Dongdong1
2015-10-20
发表期刊TECTONOPHYSICS
卷号661期号:2015页码:121-135
文章类型Article
摘要Although the South China Sea margins have been well-studied, there are no full-fit reconstructions that document the complex rifting history in a regional geodynamic context. We restored conjugate margins to their original Late Cretaceous unstretched geometries, and generated the first full-fit reconstructions of the South China Sea conjugate margins. The impact of magmatic underplating on restoration and full-fit reconstruction was estimated quantitatively. The full-fit reconstruction model includes restoration uncertainties and results in minimum gaps and overlaps between the restored conjugate margin geometries. Based on our restoration, the full-fit reconstruction and the continental basement thickness distribution, we estimate that there was more extension of continental basement on the western part of the conjugate margins compared with the eastern margin prior to the initiation of seafloor spreading. Therefore, the mid ocean ridge initially formed in the east and propagated westward to open the South China Sea. Seafloor spreading propagated along the Xisha Trough during NW Sub-basin formation, but continental breakup occurred along the southern side of the Zhongsha-Xisha Islands where the lithosphere was probably weaker than along the Xisha Trough, consistent with the geometry and evolution of the NW Sub-basin and the southward jump of the mid oceanic ridge. (C) 2015 Elsevier B.V. All rights reserved.
关键词South China Sea Conjugate Margin Restoration Full-fit Reconstruction Continental Extension Ridge Jump
DOI10.1016/j.tecto.2015.08.028
收录类别SCI
语种英语
WOS记录号WOS:000365364400009
引用统计
被引频次:36[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/337002/82327
专题海洋地质与环境重点实验室
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Sanya Inst Deep Sea Sci & Engn, Sanya 572000, Peoples R China
3.China Univ Petr East China, Sch Geosci, Qingdao 266580, Peoples R China
4.Univ Sydney, Sch Geosci, EarthByte Grp, Sydney, NSW 2006, Australia
第一作者单位中国科学院海洋研究所
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Bai, Yongliang,Wu, Shiguo,Liu, Zhan,et al. Full-fit reconstruction of the South China Sea conjugate margins[J]. TECTONOPHYSICS,2015,661(2015):121-135.
APA Bai, Yongliang.,Wu, Shiguo.,Liu, Zhan.,Muller, R. Dietmar.,Williams, Simon E..,...&Dong, Dongdong.(2015).Full-fit reconstruction of the South China Sea conjugate margins.TECTONOPHYSICS,661(2015),121-135.
MLA Bai, Yongliang,et al."Full-fit reconstruction of the South China Sea conjugate margins".TECTONOPHYSICS 661.2015(2015):121-135.
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