| 渤中坳陷及邻区构造分带变形特征 |
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| 引用本文： | 万桂梅,汤良杰,周心怀,金文正,陈绪云.渤中坳陷及邻区构造分带变形特征[J].海洋地质与第四纪地质,2009(2). |
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| 作者姓名： | 万桂梅 汤良杰 周心怀 金文正 陈绪云 |
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| 作者单位： | 中国石油大学盆地与油藏研究中心;油气资源与探测国家重点实验室;中国海洋石油有限公司天津分公司; |
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| 基金项目： | 中海油天津分公司项目(SC06TJ-TQL-004) |
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| 摘 要： | 根据渤中坳陷及邻区的平面构造分布特征、剖面构造特征和布格重力异常等方面的资料分析,认为渤中坳陷及邻区构造具有分带性,从西向东可分为3个带:(1)西部凸起带:发育大量的凸起和断裂,凸起和凸起之间以小凹陷相隔,布格重力异常呈不规则团块状;(2)中部凹陷带:由渤中凹陷和辽中凹陷组成,很少发育凸起和断裂,布格重力异常呈等轴斑块状、椭圆状;(3)东部凸起带:由大量的凸起和凹陷相间组成,由于郯庐断裂的影响形成大量的断层,主要为走滑断裂及分支断裂,布格重力异常主要呈线状分布。这种构造分带性受郯庐断裂带的多期构造活动控制,对油气分布具有重要的影响,目前西部凸起带和东部凸起带由于长期处于构造的较高部位,已成为有利的油气勘探区。
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| 关 键 词： | 构造分带 构造变形 布格重力异常 渤中坳陷及邻区 |
ZONATION OF STRUCTURAL PATTERN IN THE BOZHONG DEPRESSION AND ITS ADJACENT AREA |
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| WAN Guimei,TANG Liangjie,ZHOU Xinhuai,JIN Wenzheng,CHEN Xuyun.ZONATION OF STRUCTURAL PATTERN IN THE BOZHONG DEPRESSION AND ITS ADJACENT AREA[J].Marine Geology & Quaternary Geology,2009(2). |
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| Authors: | WAN Guimei TANG Liangjie ZHOU Xinhuai JIN Wenzheng CHEN Xuyun |
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| Institution: | 1 Basin and Reservoir Research Center;China University of Petroleum;Beijing 102249;China;2 State Key Laboratory for Petroleum Resource and Prospecting;3 Tianjin Branch of CNOOC Ltd.;Tianjin 300452;China |
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| Abstract: | Based on structural assemblages and direction in map view,structural patterns in seismic profiles and Bouguer gravity anomaly in the eastern Bohai Bay basin,we propose that the Bohai basin is characteristic of zonation of structural pattern.It can be divided into three zones from west to east.They are as follows:the western horseback belt,which developed many horsebacks and faults with small sags between horsebacks,and also had Bouguer gravity anomaly in irregular lump;the central sag belt,which was compose... |
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| Keywords: | structural zonation tectonic deformation Bouguer gravity anomaly Bozhong depression and its adjacent area |
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