Structures of the Bohai Petroliferous Area, Bohai Bay Basin |
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| Authors: | CAI Dongsheng LUO Yuhui YAO Changhu Research Institute of the Bohai Corporation of CNOOC Tianjin HE Jiankun HU Shengbiao |
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| Institution: | CAI Dongsheng,LUO Yuhui,YAO Changhu,Research Institute of the Bohai Corporation of CNOOC,Tianjin HE Jiankun,HU Shengbiao,Institute of Geology and Geophysics,Chinese Academy of Sciences,Beijing LU Huafu and WANG Liangshu Department of Earth Sciences,Nanjing University,Nanjing,Jiangsu |
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| Abstract: | This paper, for the first time, deals with a more systematic study of the structures in the Bohaipetroliferous area that covers nearly one third of the Bohai Bay basin. The study mainly involves the effects of preexisting basement faults on the basin formation, the characteristics of basin geometry and kinetics, the modelling of the tectonic-thermal history, the polycyclicity and heterogeneity in the structural evolution and the natural seismic tomographic images of the crust and upper mantle. The authors analyze the features of the dynamic evolution of the basin in the paper and point out that the basin in the Bohai petroliferous area is an extensional pull-apart basin. |
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| Keywords: | basin structure rifting cycle thermal history seismic tomographic image crust and upper mantle architecture Bohai Bay basin |
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