东海南部三叠纪地层分布
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摘要
为了探讨东海南部三叠纪地层的可能分布,在充分利用东海中生代油气勘探成果的基础上,通过总结东海邻近陆域和琉球岛弧晚三叠世地层的分布特征,结合海域最新处理的地震剖面精细解释结果,综合研究认为,东海南部可能存在三叠纪地层,且可能与上覆地层之间具有"南整合北分离"的特征。由于陆域南部晚三叠世为海湾相深水环境,具有一定的生油气潜力,因此,推测海域南部三叠纪地层很可能是重要的油气勘探新领域。
Based on the data on the distribution pattern of Upper-Triassic strata in the land area close to the East China Sea and the Ryukyu Island Arc,in combination with the latest high-resolution seismic data from the East China Sea area,It is inferred that Triassic strata may exist in the southern East China Sea,and contact with the overlying strata conformable or disconformable in the south and unconformable in the north.The Upper-Triassic deposits were formed in a deepwater environment,and there is big potential for oil and/or gas generation.In this regard,the Triassic strata in the southern East China Sea could be a new important target for oil-gas exploration.
Based on the data on the distribution pattern of Upper-Triassic strata in the land area close to the East China Sea and the Ryukyu Island Arc,in combination with the latest high-resolution seismic data from the East China Sea area,It is inferred that Triassic strata may exist in the southern East China Sea,and contact with the overlying strata conformable or disconformable in the south and unconformable in the north.The Upper-Triassic deposits were formed in a deepwater environment,and there is big potential for oil and/or gas generation.In this regard,the Triassic strata in the southern East China Sea could be a new important target for oil-gas exploration.
引文
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[2]高乐.东海陆架中生代残留盆地特征及勘探方向探讨[J].中国海上油气,2005,17(3):148-152.[GAO Le.Mesozoic remnantbasin characteristics and hydrocarbon exploration direction onEast China Sea shelf[J].China Offshore Oil and Gas,2005,17(3):148-152.]
[3]冯晓杰,张川燕,王春修,等.东海陆架和台西盆地中生界及其油气勘探[J].中国海上油气(地质),2001,15(5):306-310.[FENG Xiaojie,ZHANG Chuanyan,WANG Chunxiu,et al.Mesozoic in the East China Sea shelf and Taixinan Basin andits petroleum potential[J].China Offshore Oil and Gas(Geolo-gy),2001,15(5):306-310.]
[4]冯晓杰,蔡东升,王春修,等.东海陆架盆地中新生代构造演化特征[J].中国海上油气(地质),2003,17(1):33-37.[FENGXiaojie,CAI Dongsheng,WANG Chunxiu,et al.The Meso-Cenozoic tectonic evolution in the East China Sea shelf basin[J].China Offshore Oil and Gas(Geology),2003,17(1):33-37.]
[5]周蒂.台西南盆地和北港隆起的中生界及其沉积环境[J].热带海洋学报,2002,21(2):50-57.[ZHOU Di.Mesozoic strata andsedimentary environment in SW Taiwan Basin of NE SouthChina Sea and Peikang high of western Taiwan[J].Journal ofTropical Oceanography,2002,21(2):50-57.]
[6]须雪豪,陈琳琳,汪企浩.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 Xuehao,CHEN Linlin,WANG Qihao.Analysis of Mesozoicg geologicalcharacteristics and resource potential in the East China Seashelf basin[J].Marine Oil,2004,24(3):1-7.]
[7]朱桂田.琉球岛弧及其邻区的构造地质研究[J].矿产与地质,1993,7(5):334-342.[ZHU Guitian.Tectonic framework a-long central and south Ryukyu island arc and adjacency[J].Mineral Resources and Geology,1993,7(5):334-342.]
[8]刘建华,黎明碧,方银霞.东海陆架盆地海相中生界及其与邻近古海洋关系探讨[J].热带海洋学报,2005,24(2):1-7.[LIUJianhua,LI Mingbi,FANG Yinxia.Mesozoic strata in EastChina Sea shelf basin and their relationship with adjacent pa-leo-seas[J].Journal of Tropical Oceanography,2005,24(2):1-7.]
[9]刘建华,吴健生,方银霞,等.东海陆架盆地的前新生界[J].海洋学报,2007,29(1):66-75.[LIU Jianhua,WU Jiansheng,FANG Yinxia et al.Pre-Cenozoic groups in the shelf basin ofthe East China Sea[J].Acta Oceanologica Sinica,2007,29(1):66-75.]
[10]陈其爽.关于浙江“道塘山组”的时代[J].地层学杂志,1983,7(3):224-226.[CHEN Qishi.The period of“DaotangshanGroup”in Zhejiang Province[J].Journal for Geology,1993,7(5):334-342.]
[11]陈其爽,徐孝坤.浙江衢县上三叠统煤系地层及其海相夹层的发现[J].地层学杂志,1984,8(1):62-66.[CHEN Qishuang,XU Xiaokun.The discovery of Upper Triassic coal measurestrata and marine interlayer in Qu County,Zhejiang Province[J].Journal for Geology,1984,8(1):62-66.]
[12]曹宝森.福建西南部和中部地区早侏罗世海相地层[J].福建地质,1983(1):51-64.[CAO Baosen.Marine strata of theearly Jurassic in the southwest and middle of Fujian Province[J].Fujian Geology,1983(1):51-64.]
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