准噶尔盆地复合边界结构综合解释
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摘要
基于对准噶尔盆地沉积、含油气系统、勘探目的层及构造演化等地质条件的分析,从控盆主断裂形态、主断裂复合结构、成因机制上探讨了盆地西北缘、东北缘和南缘3条边界断裂的结构类型,分析了压扭性叠合盆地复合边界结构体系及特征。不同期次、不同构造应力方向、不同时间的挤压叠加样式不同,造成盆地主要复合边界结构的差异。地震-地质相结合,对准噶尔盆地控边断裂的3种主要复合边界结构进行了综合解释,划分为4层或3层复合边界结构,解释为4段式或3段式复合边界结构类型。
Based on the sedimentation,petroleum system,explorative target zone and structural evolution in Junggar basin,integrated with the basin-controlling major faulting shape,composite structure and genetic mechanism,this paper discussed structural types of three boundary faults of the northwestern margin,northeastern margin and southern margin of Junggar basin and analyzed the composite boundary structure system and characteristics in the compresso-shear overlay basin.By using the differences of the basinal major composite boundary structure resulted from the compressional and overlay shapes of different episodes,different structural stress directions and different times as well as combination of seismic profile with geologic facies,this paper also interpreted comprehensively the three composite boundary structures of boundary-controlled faults in Junggar basin,classifying as four or three zones of the structures and four or three sections of the types.
Based on the sedimentation,petroleum system,explorative target zone and structural evolution in Junggar basin,integrated with the basin-controlling major faulting shape,composite structure and genetic mechanism,this paper discussed structural types of three boundary faults of the northwestern margin,northeastern margin and southern margin of Junggar basin and analyzed the composite boundary structure system and characteristics in the compresso-shear overlay basin.By using the differences of the basinal major composite boundary structure resulted from the compressional and overlay shapes of different episodes,different structural stress directions and different times as well as combination of seismic profile with geologic facies,this paper also interpreted comprehensively the three composite boundary structures of boundary-controlled faults in Junggar basin,classifying as four or three zones of the structures and four or three sections of the types.
引文
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[2]王京彬,徐新.新疆北部后碰撞构造演化与成矿[J].地质学报,2006,80(1):23-31.
[3]宋传春,李丕龙,韩文功.准中地区构造特征分析[J].新疆地质,2005,23(4):339-342.
[4]马宗晋,曲国胜,陈新发.准噶尔盆地构造格架及分区[J].新疆石油地质,2008,29(1):1-6.
[5]谭明友,张云银,宋传春,等.准噶尔盆地油气幕式成藏规律探讨[J].石油勘探与开发,2004,2,31(1):28-31.
[6]何登发,石昕,尹成,等.前陆冲断带构造分段特征——以准噶尔盆地西北缘断裂构造带为例[J].地学前缘,2004,11(3):91-101.
[7]许建东,马宗晋,曲国胜,等.准噶尔盆地西北缘盆山耦合关系研究[J].新疆石油地质,2008,29(2):143-146.
[8]袁航.准噶尔盆地东北缘前陆冲断带构造特征与油气聚集[A].中国地质大学(北京)2010年硕士学位论文.
[9]姜耀俭,杨丙中,王岫岩,等.准噶尔盆地东北缘构造特征、演化及与油气的关系[J].地质学报,2002,76(4):462-468.
[10]陈涛,魏东涛,杨海,等.准南前陆冲断带构造特征及其对油气成藏的影响[J].天然气地质科学,2006,17(5):711-718.
[11]马宗晋,曲国胜,李涛,等.准噶尔盆地盆山耦合与分段性[J].新疆石油地质,2008,29(3):271-277.
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