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东海陆架盆地西部坳陷带中生界分布特征及其有利区探讨
引用本文:杨艳秋,李刚,戴春山.东海陆架盆地西部坳陷带中生界分布特征及其有利区探讨[J].世界地质,2011,30(3):396-403.
作者姓名:杨艳秋  李刚  戴春山
作者单位:1.国土资源部海洋油气与环境地质重点实验室,山东青岛266071; 2.青岛海洋地质研究所,山东青岛266071
基金项目:地质大调查项目(200311000007)
摘    要:对东海陆架盆地西部坳陷带中生界分布特征及其油气勘探方向的研究认为:研究区中生界分布广、厚度大,主要沉积在南部地区,最大厚度超过6 000 m,除凹陷内有分布外,隆起区也有分布。白垩系主要发育在长江凹陷、海礁低凸起、瓯江凹陷、闽江凹陷和台北低凸起地区;侏罗系主要发育在闽江凹陷。闽江凹陷的中生界厚度大,烃源岩条件好,局部构造圈闭发育,既有区域性盖层又有局部盖层,生储盖条件优越。因此,闽江凹陷是东海陆架盆地西部坳陷带油气勘探前景最好的区域。

关 键 词:东海陆架盆地  西部坳陷带  中生界  油气前景

Characteristics of Mesozoic distribution and discussion on its favourable area in western depression zone of East China Sea shelf basin
YANG Yan-qiu,LI Gang,DAI Chun-shan.Characteristics of Mesozoic distribution and discussion on its favourable area in western depression zone of East China Sea shelf basin[J].World Geology,2011,30(3):396-403.
Authors:YANG Yan-qiu  LI Gang  DAI Chun-shan
Institution:1. Key Laboratory of Marine Hydrocarbon Resources and Environmental Geology, Ministry of Land and Resources, Qingdao 266071,Shandong,China; 2.Qingdao Institute of Marine Geology,Qingdao 266071,Shandong,China
Abstract:The authors discussed the Mesozoic distribution characteristics and hydrocarbon exploration direction in western depression zone of East China Sea shelf basin.The results indicate that:the Mesozoic strata are widely distributed with great thickness(>6 000 m in max),and mainly developed in southern area.The Cretaceous sediments are distributed in Changjiang sag,Haijiao lower uplift,Oujiang sag,Minjiang sag and Taibei lower uplift;and the Jurassic sediments are mainly distributed in Minjiang sag.Minjiang sag ...
Keywords:East China Sea shelf basin  western depression zone  Mesozoic  hydrocarbon perspective  
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