东营凹陷辛镇构造带构造变形的物理模拟研究
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摘要
东营凹陷辛镇构造带底辟动力机制及"负花状"断裂形成的主控因素一直存有争议。通过地震资料精细构造解析,结合地层组合特征,设计含塑性层构造物理模拟实验,开展辛镇构造带构造沉积演化研究。根据构造带的地质特征及构造物理模拟结果,分析其深部底辟构造的动力机制,探讨伸展构造背景下塑性层的变形特征及其与上覆岩层的相互作用。取得了以下主要认识:(1)在盆地伸展构造背景下,坡坪式基底断层活动导致上盘岩层的地势起伏,后期同构造沉积产生的差异沉降诱发底辟发育;(2)辛镇构造带"负花状"断裂是底辟和区域伸展共同作用的结果,塑性层为断裂发育提供了良好的滑脱条件。
There have been disputes about the diapiric dynamic mechanism for plastic layer and the main controlling factors for the formation of the "negative flower-like"fault groups in the Xinzhen structural belt of the Dongying depression. The fine tectonics of seismic data and combining with the characteristics of stratigraphic assemblage is analyzd. The physical modeling with plastic layer to physically simulate tectonic and sedimentary evolution of the Xinzhen structural belt is designed. According to the geological characteristics of the Xinzhen structural belt and the results of physical modeling,the dynamic mechanism of the diapir structure is analyzed,and the deformation characteristics of the plastic layer under the extensional tectonic background and its interaction with the overlying strata is discussed. Some conclusions have been reached:(1) Under the extensional tectonic setting of the basin,the activity of slope-flat basement faults results in the topographic fluctuation of the strata in the upper wall,and the diapir is triggered by differential subsidence induced by later syntectonic sedimentation.(2) The "negative flower-like"fault groups in the Xinzhen structural belt is the result of diapir and regional extension,and the plastic layer provides a good detachment layer for fault development.
There have been disputes about the diapiric dynamic mechanism for plastic layer and the main controlling factors for the formation of the "negative flower-like"fault groups in the Xinzhen structural belt of the Dongying depression. The fine tectonics of seismic data and combining with the characteristics of stratigraphic assemblage is analyzd. The physical modeling with plastic layer to physically simulate tectonic and sedimentary evolution of the Xinzhen structural belt is designed. According to the geological characteristics of the Xinzhen structural belt and the results of physical modeling,the dynamic mechanism of the diapir structure is analyzed,and the deformation characteristics of the plastic layer under the extensional tectonic background and its interaction with the overlying strata is discussed. Some conclusions have been reached:(1) Under the extensional tectonic setting of the basin,the activity of slope-flat basement faults results in the topographic fluctuation of the strata in the upper wall,and the diapir is triggered by differential subsidence induced by later syntectonic sedimentation.(2) The "negative flower-like"fault groups in the Xinzhen structural belt is the result of diapir and regional extension,and the plastic layer provides a good detachment layer for fault development.
引文
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2 Warren J K.Evaporites:sediments,resources and hydrocarbons[M].Berlin:Springer International Publishing Switzerland,2016:513-516
3 Warsitzka M,Kley J,Kukowski N.Salt diapirism driven by differential loading:some insights from analogue modelling[J].Tectonophysics,2013,591(3):83-97
4刘晓峰,解习农,张成,等.东营凹陷盐-泥构造的样式和成因机制分析[J].地学前缘(中国地质大学学报),2005,12(4):403-409Liu Xiaofeng,Xie Xinong,Zhang Cheng,et al.Composition and characteristics of salt-mud bed in Dongying depression[J].Earth Science(Journal of China University of Geosciences),2005,12(4):403-409
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6任建业,张青林.东营凹陷中央背斜隆起带形成机制分析[J].大地构造与成矿学,2004,28(3):254-262Ren Jianye,Zhang Qingli.Analysis of development mechanism for center anticline high in Dongying depression[J].Geotectonica et Metallogenia,2004,28(3):254-262
7云金表,赵利华.东营凹陷中央隆起带构造特征、沙箱模拟与形成机制研究[J].地质力学学报,2003,9(2):113-121Yun Jinbiao,Zhao Lihua.Research on molding,structural feature and formation mechanism of the central uplift belt in Dongying depression,Jiyang[J].Journal of Geomechanics,2003,9(2):113-121
8马丽娟,郑和荣,解习农.东营凹陷中央隆起带断裂构造及油气运移[J].石油与天然气地质,2005,26(2):246-251Ma Lijuan,Zheng Herong,Xie Xinong.Faulted structures and hydrocarbon in centre uplift belt of Dongying depression[J].Oil&Gas Geology,2005,26(2):246-251
9路慎强,陈冠军,吴孔友,等.渤海湾盆地东营凹陷中央背斜带构造特征和演化机理[J].石油实验地质,2003,35(3):274-279Lu Shenqiang,Chen Guanjun,Wu Kongyou,et al.Tectonic feature and evolution mechanism of central anticline belt of Dongying sag,Bohai bay basin[J].Petroleum Geology&Experiment,2003,35(3):274-279
10谢向阳,信荃麟.东营凹陷中央隆起带断块模式[J].断块油气田,1997,4(5):15-19Xie Xiangyang,Xin Quanlin.Fault-block modes in the central uplift of Dongying depression[J].Fault-Block Oil and Gas Field,1997,4(5):15-19
11时秀朋,李理,龚道好,等.构造物理模拟实验方法的发展与应用[J].地球物理学进展,2007,22(6):1728-1735Shi Xiupeng,Li Li,Gong Daohao,et al.The development and application of structure physical modeling[J].Progress in Geophysics,2007,22(6):1728-1735
12孙波,王金铎,肖永军,等.柴北缘东段中、新生代构造物理模拟研究[J].科学技术与工程,2016,16(19):37-44Sun Bo,Wang Jinduo,Xiao Yongjun,et al.Meso-cenozoic tectonic structural physical simulation research of the eastern section of north Qaidam basin[J].Science Technology and Engineering,2016,16(19):37-44
13 Mcclay K R,Ellis P G.Geometries of extensional fault systems developed in model experiments[J].Geology,1987,15:341-344
14祝厚勤,庞雄奇,姜振学,等.东营凹陷岩性油藏成藏期次与成藏过程[J].地质科技报,2007,26(1):65-70Zhu Houqin,Pang Xiongqi,Jiang Zhenxue,et al.Accumulation time and accumulation process of lithological reservoirs in Dongying depression[J].Geological Science and Technology Information,2007,26(1):65-70
15赵仕俊,赵锡奎,杨少春.地质构造物理模拟实验模型的相似分析[J].西北地质,2005,38(4):14-18Zhao Shijun,Zhao Xikui,Yang Shaochun.Similar analysis of geological structure physical model[J].Northwestern Geology,2005,38(4):14-18
16赵仕俊,李晓东.地质构造常规物理模拟实验方法研究[J].石油仪器,2010,24(6):40-42Zhao Shijun,Li Xiaodong.Research on experimental method of conventional physical modeling of geological structures[J].Petroleum Instrument,2010,24(6):40-42
17冯阵东,戴俊生,张继标,等.伸展构造物理模拟中存在的问题及解决办法[J].中国石油大学学报(自然科学版),2011,35(3):7-18Feng Zhendong,Dai Junsheng,Zhang Jibiao,et al.Problems and solutions in physical simulation of extensional structures[J].Journal of China University of Petroleum,2011,35(3):7-18
18贾东,陈竹新,张惬,等.东营凹陷伸展断弯褶皱的构造几何学分析[J].大地构造与成矿学,2005,29(3):295-302Jia Dong,Chen Zhuxin,Zhang Qie,et al.Structural geometric analyseson the extensional fault-bend fold in the Dongying depression[J].Geotectonica et Metallogenia,2005,29(3):295-302
19 Karam P,Mitra S.Experimental studies of the controls of the geometry and evolution of salt diapirs[J].Marine&Petroleum Geology,2016,77:1309-1322
20 Rowan M G,Peel F J,Vendeville B C,et al.Salt tectonics at passive margins:geology versus models-discussion[J].Marine and Petroleum Geology,2012,37(1):184-194
21 Vendeville B C,Jackson M P A.The rise of diapirs during thinskinned extension[J].Marine&Petroleum Geology,2015,9(4):331-354
22陈书平,汤良杰,贾承造,等.秋里塔克构造带盐构造形成的传力方式的构造物理模拟[J].西安石油大学学报,2004,19(1):6-10Chen Shuping,Tang Liangjie,Jia Chengzao,et al.Tectonophysical modeling of two kinds of stress transmission forms for forming the salt structure in Qiuli-take structural zone[J].Journal of Xi'an Shiyou University,2004,19(1):6-10
23汪新,王招明,谢会文,等.塔里木库车坳陷新生代盐构造解析及其变形模拟[J].中国科学:地球科学,2010(12):1655-1668Wang Xin,Wang Zhaoming,Xie Huiwen,et al.Cenozoic salt tectonics and physical models in the Kuqa depression of Tarim basin[J].Scientia Sinica(Terrae),2010(12):1655-1668
24尹宏伟,王哲,汪新,等.库车前陆盆地新生代盐构造特征及形成机制:物理模拟和讨论[J].高校地质学报,2011,17(2):308-317Yin Hongwei,Wang Zhe,Wang Xin,et al.Characteristics and mechanics of cenozoic salt-related structures in Kuqa foreland basins:Insights from physical modeling and discussion[J].Geological Journal of China Universities,2011,17(2):308-317
25戈红星,Vendeville B C,Jackson M P A.前陆褶皱冲断带厚皮缩短盐构造运动的物理模拟[J].高校地质学报,2004,10(1):39-49Ge Hongxing,Vendeville B C,Jackson M P A.Physical models of thick-skinned contractional salt tectonics in a foreland fold-andthrust belt[J].Geological Journal of China Universities,2004,10(1):39-49
2 Warren J K.Evaporites:sediments,resources and hydrocarbons[M].Berlin:Springer International Publishing Switzerland,2016:513-516
3 Warsitzka M,Kley J,Kukowski N.Salt diapirism driven by differential loading:some insights from analogue modelling[J].Tectonophysics,2013,591(3):83-97
4刘晓峰,解习农,张成,等.东营凹陷盐-泥构造的样式和成因机制分析[J].地学前缘(中国地质大学学报),2005,12(4):403-409Liu Xiaofeng,Xie Xinong,Zhang Cheng,et al.Composition and characteristics of salt-mud bed in Dongying depression[J].Earth Science(Journal of China University of Geosciences),2005,12(4):403-409
5于建国,李三忠,王金铎,等.东营凹陷盐底辟作用与中央隆起带断裂构造成因[J].地质科学,2005,40(1):55-68Yu Jianguo,Li Sanzhong,Wang Jinduo,et al.Salt diapirism and faulting of the central uplift belt in the Dongying sag,Bohai bay basin,north China[J].Chinese Journal of Geology,2005,40(1):55-68
6任建业,张青林.东营凹陷中央背斜隆起带形成机制分析[J].大地构造与成矿学,2004,28(3):254-262Ren Jianye,Zhang Qingli.Analysis of development mechanism for center anticline high in Dongying depression[J].Geotectonica et Metallogenia,2004,28(3):254-262
7云金表,赵利华.东营凹陷中央隆起带构造特征、沙箱模拟与形成机制研究[J].地质力学学报,2003,9(2):113-121Yun Jinbiao,Zhao Lihua.Research on molding,structural feature and formation mechanism of the central uplift belt in Dongying depression,Jiyang[J].Journal of Geomechanics,2003,9(2):113-121
8马丽娟,郑和荣,解习农.东营凹陷中央隆起带断裂构造及油气运移[J].石油与天然气地质,2005,26(2):246-251Ma Lijuan,Zheng Herong,Xie Xinong.Faulted structures and hydrocarbon in centre uplift belt of Dongying depression[J].Oil&Gas Geology,2005,26(2):246-251
9路慎强,陈冠军,吴孔友,等.渤海湾盆地东营凹陷中央背斜带构造特征和演化机理[J].石油实验地质,2003,35(3):274-279Lu Shenqiang,Chen Guanjun,Wu Kongyou,et al.Tectonic feature and evolution mechanism of central anticline belt of Dongying sag,Bohai bay basin[J].Petroleum Geology&Experiment,2003,35(3):274-279
10谢向阳,信荃麟.东营凹陷中央隆起带断块模式[J].断块油气田,1997,4(5):15-19Xie Xiangyang,Xin Quanlin.Fault-block modes in the central uplift of Dongying depression[J].Fault-Block Oil and Gas Field,1997,4(5):15-19
11时秀朋,李理,龚道好,等.构造物理模拟实验方法的发展与应用[J].地球物理学进展,2007,22(6):1728-1735Shi Xiupeng,Li Li,Gong Daohao,et al.The development and application of structure physical modeling[J].Progress in Geophysics,2007,22(6):1728-1735
12孙波,王金铎,肖永军,等.柴北缘东段中、新生代构造物理模拟研究[J].科学技术与工程,2016,16(19):37-44Sun Bo,Wang Jinduo,Xiao Yongjun,et al.Meso-cenozoic tectonic structural physical simulation research of the eastern section of north Qaidam basin[J].Science Technology and Engineering,2016,16(19):37-44
13 Mcclay K R,Ellis P G.Geometries of extensional fault systems developed in model experiments[J].Geology,1987,15:341-344
14祝厚勤,庞雄奇,姜振学,等.东营凹陷岩性油藏成藏期次与成藏过程[J].地质科技报,2007,26(1):65-70Zhu Houqin,Pang Xiongqi,Jiang Zhenxue,et al.Accumulation time and accumulation process of lithological reservoirs in Dongying depression[J].Geological Science and Technology Information,2007,26(1):65-70
15赵仕俊,赵锡奎,杨少春.地质构造物理模拟实验模型的相似分析[J].西北地质,2005,38(4):14-18Zhao Shijun,Zhao Xikui,Yang Shaochun.Similar analysis of geological structure physical model[J].Northwestern Geology,2005,38(4):14-18
16赵仕俊,李晓东.地质构造常规物理模拟实验方法研究[J].石油仪器,2010,24(6):40-42Zhao Shijun,Li Xiaodong.Research on experimental method of conventional physical modeling of geological structures[J].Petroleum Instrument,2010,24(6):40-42
17冯阵东,戴俊生,张继标,等.伸展构造物理模拟中存在的问题及解决办法[J].中国石油大学学报(自然科学版),2011,35(3):7-18Feng Zhendong,Dai Junsheng,Zhang Jibiao,et al.Problems and solutions in physical simulation of extensional structures[J].Journal of China University of Petroleum,2011,35(3):7-18
18贾东,陈竹新,张惬,等.东营凹陷伸展断弯褶皱的构造几何学分析[J].大地构造与成矿学,2005,29(3):295-302Jia Dong,Chen Zhuxin,Zhang Qie,et al.Structural geometric analyseson the extensional fault-bend fold in the Dongying depression[J].Geotectonica et Metallogenia,2005,29(3):295-302
19 Karam P,Mitra S.Experimental studies of the controls of the geometry and evolution of salt diapirs[J].Marine&Petroleum Geology,2016,77:1309-1322
20 Rowan M G,Peel F J,Vendeville B C,et al.Salt tectonics at passive margins:geology versus models-discussion[J].Marine and Petroleum Geology,2012,37(1):184-194
21 Vendeville B C,Jackson M P A.The rise of diapirs during thinskinned extension[J].Marine&Petroleum Geology,2015,9(4):331-354
22陈书平,汤良杰,贾承造,等.秋里塔克构造带盐构造形成的传力方式的构造物理模拟[J].西安石油大学学报,2004,19(1):6-10Chen Shuping,Tang Liangjie,Jia Chengzao,et al.Tectonophysical modeling of two kinds of stress transmission forms for forming the salt structure in Qiuli-take structural zone[J].Journal of Xi'an Shiyou University,2004,19(1):6-10
23汪新,王招明,谢会文,等.塔里木库车坳陷新生代盐构造解析及其变形模拟[J].中国科学:地球科学,2010(12):1655-1668Wang Xin,Wang Zhaoming,Xie Huiwen,et al.Cenozoic salt tectonics and physical models in the Kuqa depression of Tarim basin[J].Scientia Sinica(Terrae),2010(12):1655-1668
24尹宏伟,王哲,汪新,等.库车前陆盆地新生代盐构造特征及形成机制:物理模拟和讨论[J].高校地质学报,2011,17(2):308-317Yin Hongwei,Wang Zhe,Wang Xin,et al.Characteristics and mechanics of cenozoic salt-related structures in Kuqa foreland basins:Insights from physical modeling and discussion[J].Geological Journal of China Universities,2011,17(2):308-317
25戈红星,Vendeville B C,Jackson M P A.前陆褶皱冲断带厚皮缩短盐构造运动的物理模拟[J].高校地质学报,2004,10(1):39-49Ge Hongxing,Vendeville B C,Jackson M P A.Physical models of thick-skinned contractional salt tectonics in a foreland fold-andthrust belt[J].Geological Journal of China Universities,2004,10(1):39-49
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