Structural characteristics of the Tan-Lu fault zone in Cenozoic basins offshore the Bohai Sea

查看全文 作　　者：QI JiaFu1,2,ZHOU XinHuai3,DENG RongJing4 & ZHANG KeXin2 1 State Key Laboratory of Petroleum Resource and Prospecting,China Petroleum University,Beijing 102249,China;2 Department of Earth Sciences,China Petroleum University,Beijing 102200,China;3 Tianjin Branch of CNOOC China Limited,Tianjin 300451,China;4 Beijing Research Center of CNOOC China Limited,Beijing100027,China

出　　处：《Science China Earth Sciences》索引2008年第51卷第S2期,共12页

基　　金：Supported by National Natural Science Foundation of China (Grant No.40372072);National Basic Research Program of China (Grant No.2006CB202301) 摘　　要：The Tan-Lu fault zone across the eastern margin of the Cenozoic basins offshore the Bohai Sea is a NNE-trending right-lateral strike-slip fault system developed in the Cenozoic basin cover. It cuts through NE-to NNE-striking major extensional faults that controlled the formation of Paleogene basins. Recent petroleum exploration indicates that Cenozoic structural activities of the Tan-Lu fault system have directly or indirectly affected oil and gas distribution offshore the Bohai Sea. As part of a deep fault zone the Tan-Lu fault zone has been activated since the Oligocene,and obviously affected the tectonic evolution of offshore Bohai basins since then. The formation of Paleogene rift basins offshore the Bohai Sea has utilized the pre-existing structural elements of the Tan-Lu fault zone that developed in the late Mesozoic. 关键词：STRIKE-SLIP FAULT EXTENSIONAL structure Tan-Lu FAULT zone Bohaiwan basin

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Structural characteristics of the Tan-Lu fault zone in Cenozoic basins offshore the Bohai Sea

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