南黄海西部地区浅层气的浅部埋藏地质背景
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摘要
根据南黄海西部地区6 000 km多的浅地层剖面解释成果,对浅层气埋藏的载气地质体和地层时代两方面进行了分析。结果表明,南黄海西部地区浅层气主要存在于埋藏三角洲相、古湖泊相、古河道相、古潮沟相地质体中,在中更新世晚期以来的两期海相地层(全新世和晚更新世)和两期陆相地层(玉木冰期、里斯冰期)中都存在浅层气的地震反射。
Based on the interpretation of about 6 000 km′s shallow seismic profile in the western South Yellow Sea,the gas-containing geological bodies and their stratigraphic chronology are analysed in this paper,and the following conclusions are obtained: 1.the shallow gas in the western South Yellow Sea is mostly distributed in the buried delta facies,paleo lacustrine facies,paleo-fluvial facies,and paleo-tidal channel facies;2.the shallow gas as indicated by seismic reflections is buried in the two stages of marine sediments deposited in Holocene and Late Pleistocene and in the two stages of terrestrial sediments deposited during Wǔrm and Riss glaciations.
Based on the interpretation of about 6 000 km′s shallow seismic profile in the western South Yellow Sea,the gas-containing geological bodies and their stratigraphic chronology are analysed in this paper,and the following conclusions are obtained: 1.the shallow gas in the western South Yellow Sea is mostly distributed in the buried delta facies,paleo lacustrine facies,paleo-fluvial facies,and paleo-tidal channel facies;2.the shallow gas as indicated by seismic reflections is buried in the two stages of marine sediments deposited in Holocene and Late Pleistocene and in the two stages of terrestrial sediments deposited during Wǔrm and Riss glaciations.
引文
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[2]Judd A G,Hovland M.The evidence of shallow gas inthe sediments[J].Contimental Shelf Research,1992,12(10):1 081-1 095.
[3]Missiaen T,Murphy S,Lonke L,et al.Henriet.Veryhigh-resolution seismic mapping of shallow gas in theBelgian coastal zone[J].Contimental Shelf Research,2002,22(11):2 291-2 301.
[4]Garcia-Gil S,Vilas F,Garcia A.Shallow gas features inincised-valley fills(Ría de Vigo,NW Spain):a case study[J].Contimental Shelf Research,2002,22:2 303-2 315.
[5]李凡,张秀荣,唐宝珏.黄海埋藏古河道及灾害地质图集[M].济南:济南出版社,1998.17,71-78,102-107.
[6]顾兆峰,张志,刘怀山.南黄海西部地区浅层气地震特征[J].海洋地质与第四纪地质,2006,26(3):65-73.
[7]杨子赓,林和茂.中国东部第四纪进程与国际对比[M].北京:地质出版社,1993.79-84.
[8]杨子赓,林和茂.中国第四纪地层与国际对比[M].北京:地质出版社,1996.31-41.
[9]秦蕴珊,赵一阳,陈丽蓉,等.黄海地质[M].北京:海洋出版社,1989.1-4,43-58,172-178.
[10]邵虚生.潮沟成因类型及其影响因素的探讨[J].地理学报,1988,43(1):35-43.
[11]张忍顺,王雪瑜.江苏省淤泥质海岸潮沟系统[J].地理学报,1991,46(2):195-206.
[12]刘敏厚,吴世迎,王永吉.黄海晚第四纪沉积[M].北京:海洋出版社,1989.178-185,318-325.
[13]廖先贵,栾作峰,张相君,等.南黄海北部沉积物某些有机地球化学特征[A].中国科学院海洋研究所海洋地质研究室:黄东海地质[C].北京:科学出版社,1982.160-173.
[14]栾作峰.南黄海北部沉积物的有机地球化学特征[J].海洋与湖沼.1985,16(1):93-100.
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