东海陆架盆地南部构造样式及分布特征
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摘要
以东海陆架盆地南部为重点研究对象,基于区域地震反射资料,结合盆地的结构特征,分析、总结了其构造样式特征。结果表明:根据构造样式形成的动力学机制,可以将东海陆架盆地南部划分为伸展型构造样式、挤压型构造样式和复合型构造样式3类;伸展型构造样式可继续分为半地堑(箕状断陷)构造组合、复式地堑式构造组合、多米诺式断裂构造组合、掀斜断块和火成岩构造;挤压型构造样式分为挤压背斜、断背斜和叠瓦式断裂组合;复合型构造样式分为正反转构造和负花状构造。
Based on regional seismic data,we studied in this paper the structural characteristics of the southern East China Sea Shelf Basin.Our results show:(1) There are three structural styles,namely extensional,compressional,and complex structures,in the study area according to their dynamic mechanism.(2)The extensional structural style can be further subdivided into the half graben,composite graben,domino faulted graben,tilting block and magmatic structures.The compressional structural style can be subdivided into compressional anticline,faulted anticline and imbricated faults.The complex structural styles can be subdivide into positive inversion tectonics and negative flower structures.
Based on regional seismic data,we studied in this paper the structural characteristics of the southern East China Sea Shelf Basin.Our results show:(1) There are three structural styles,namely extensional,compressional,and complex structures,in the study area according to their dynamic mechanism.(2)The extensional structural style can be further subdivided into the half graben,composite graben,domino faulted graben,tilting block and magmatic structures.The compressional structural style can be subdivided into compressional anticline,faulted anticline and imbricated faults.The complex structural styles can be subdivide into positive inversion tectonics and negative flower structures.
引文
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[3]夏斌,崔学军,张宴华,等.南海扩张的动力学因素及其数值模拟讨论[J].大地构造与成矿学,2005,29(3):328-333.[XIA Bin,CUI Xuejun,ZHANG Yanhua,et al.Dynamicfactors for the opening of South China Sea and a numericalmodeling discussion[J].Geotectonica et Metallogenia,2005,29(3):328-333.]
[4]夏斌,崔学军,谢建华,等.关于南海构造演化动力学机制研究的一点思考[J].大地构造与成矿学,2004,28(3):221-227.[XIA Bin,CUI Xuejun,XIE Jianhua,et al.Thinking aboutthe dynamics mechanism study on formation and evolution ofSouth China Sea[J].Geotectonica et Metallogenia,2004,28(3):221-227.]
[5]夏斌,张敏强,万志峰,等.东海丽水椒江凹陷构造样式与含油气远景[J].华南地震,2007,27(3):1-8.[XIA Bin,ZHANGMinqiang,WAN Zhifeng,et al.Structural styles and hydrocar-bon prospects in the Lishui-Jiaojiang sag,the East China Sea[J].South China Journal of Seismology,2007,27(3):1-8.]
[6]戴俊生,李理典.油区构造分析[M].北京:石油大学出版社,2002:37-51.[DAI Junsheng,LI Lidian.Analyze Structure ofField[M].Bei jing:China University of Petroleum Press,2002:37-51.]
[7]Li Sanzhong,Zhao Guochun,Dai Liming,et al.Cenozoicfaulting of the Bohai Bay Basin and its bearings on the destruc-tion of the eastern North China Craton[J].Journal of AsianEarth Sciences,2012,47:80-93.
[8]Li Sanzhong,Zhao Guochun,Dai Liming,et al.Mesozoic Ba-sins in eastern China and their bearings on the deconstructionof the North China Craton[J].Journal of Asian Earth Sci-ences,2012,47:64-79.
[9]须雪豪,陈琳琳,汪企浩,等.东海陆架盆地中生界地质特征与油气资源潜力浅析[J].海洋石油,2004,24(3):1-7.[XU Xue-hao,CHEN Linlin,WANG Qihao,et al.Analysis of Mesozoicgeological characteristics and resource potential in the EastChina Sea shelf basin[J].Offshore Oil,2004,24(3):1-7.]
[10]姜亮.东海陆架盆地油气资源勘探现状及含油气远景[J].中国海上油气(地质),2003,17(1):1-5.[JIANG liang.Explo-ration status and perspective of petroleum resources in EastChina Sea shelf basin[J].China Offshore Oil and Gas(Geol-ogy),2003,17(1):1-5.]
[11]冯晓杰,蔡东升.东海陆架盆地中新生代构造演化对烃源岩分布的控制作用[J].中国海上油气(地质),2006,18(6):372-375.[FENG Xiaojie,CAI Dongsheng.Controls of Meso-zoic and Cenozoic tectonic evolution on source rock distribu-tion in East China Sea shelf basin[J].China Offshore Oil andGas(Geology),2006,18(6):372-375.]
[12]赵金海,贾健谊,马惠福,等.东海新生代盆地找油气的几点认识[J].海洋石油,1999,13(3):1-7.[ZHAO Jinhai,JIA Jia-nyi,MA Huifu,et al.Recognition of petroleum explorationin the Cenozoic basin of the East China Sea[J].Offshore Oil,1999,13(3):1-7.]
[13]杨甲明.中国近海天然气资源[J].中国海上油气(地质),2000,14(5):300-305.[YANG Jiaming.Natural gas re-sources offshore China[J].China Offshore Oil and Gas(Ge-ology),2000,14(5):300-305.]
[14]杨克绳.中国含油气盆地结构和构造样式地震解释[M].北京:石油工业出版社,2006.[YANG Kesheng.Seismic Inter-pretation for Structures of Petroliferous Basins in China[M].Beijing:Petroleum Industry Press,2006.]
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