基底性质对断裂构造的影响:以琼东南盆地为例
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摘要
影响断裂凹陷内的断裂系统演化的原因包含多种因素,此次研究针对先存断裂及基底性质对断陷盆地的影响,通过物理模拟实验方法探究裂谷盆地断裂发育的构造演化过程。根据对琼东南盆地的地震剖面图的解释分析,盆地东部和西部的凹陷显示不同的凹陷构造形态,实验结果显示,先存断裂的位置和走向影响区域凹陷的演化和平面展布,在先存断裂影响的区域演化形成地堑构造,在无先存断裂影响的区域则演化形成地垒构造;韧性基底的上覆地层拉伸演化为复式半地堑构造,而刚性基底的上覆地层呈铲状半地堑构造,在不同基底性质影响下的构造变形模式和琼东南盆地东西部的差异构造样式基本相符,一定程度上说明了基底性质的差异对琼东南盆地东部和西部凹陷在断裂组合形态差异方面具有影响作用,为研究供给油气运移聚集成藏的断裂系统演化提供了思路。
There are several factors influencing the formation of fracture system.In this paper, three scaled analog sandbox modelswere constructed to simulate the tectonic evolution of fault in rift basin, to explore the tectonic evolution of Qiongdongnan basin duringthe main fracture stage. According to the interpretation of 2 D seismic section, the depression in eastern and western QiongdongnanBasin shows different tectonic forms. Model results showed that the evolution and development of adjacent depression is affected by theposition and direction of the fault-margin affects, and the basement property had a significant influence on the tectonic evolution. Theformation of graben structure is affected by pre-existing fault, the regional tectonic evolution formed horst without pre-existing fault. Thecompound half-graben occur when the basement develop ductile deformation, and the shovel-like half-graben of structural style occurwhen the basement develop brittle deformation. Based on the model results, it is proved that the basement property plays an importantrole in developing different kinds of fault combination in the eastern and western Qiongdongnan Basin, which provide the paths forstudying the fracture system of hydrocarbon migration and accumulation.
There are several factors influencing the formation of fracture system.In this paper, three scaled analog sandbox modelswere constructed to simulate the tectonic evolution of fault in rift basin, to explore the tectonic evolution of Qiongdongnan basin duringthe main fracture stage. According to the interpretation of 2 D seismic section, the depression in eastern and western QiongdongnanBasin shows different tectonic forms. Model results showed that the evolution and development of adjacent depression is affected by theposition and direction of the fault-margin affects, and the basement property had a significant influence on the tectonic evolution. Theformation of graben structure is affected by pre-existing fault, the regional tectonic evolution formed horst without pre-existing fault. Thecompound half-graben occur when the basement develop ductile deformation, and the shovel-like half-graben of structural style occurwhen the basement develop brittle deformation. Based on the model results, it is proved that the basement property plays an importantrole in developing different kinds of fault combination in the eastern and western Qiongdongnan Basin, which provide the paths forstudying the fracture system of hydrocarbon migration and accumulation.
引文
何永垚,王英民,卿元华,等.2012.琼东南盆地X型共轭正断裂及其油气勘探意义[J].新疆石油地质,33(5):528-530.
雷超,任建业,李绪深,等.2011.琼东南盆地深水区结构构造特征与油气勘探潜力[J].石油勘探与开发,38(5):560-569.
刘桂侠,杨永泰.2003.柴达木盆地北部基底岩性对上部地层构造演化及储集条件的影响[J].天然气工业,23(2):40-43.
刘平,李文龙,唐圣明,等.2017.北部湾盆地雷东凹陷主控断层发育特征及其形成机制[J].海洋地质前沿,33(2):48-55.
刘志峰,王升兰,印斌浩,等.2013.珠江口盆地珠Ⅰ、珠Ⅲ坳陷裂陷期湖相分布差异及其控制因素[J].石油实验地质,35(5):524-533.
李才,尤丽,朱继田,等.2016.琼东南盆地深水区中央凹陷断裂体系及其对油气成藏的控制[J].海相油气地质,21(1):73-78.
李培廉,朱平.1992.试论东海陆架盆地的基底构造演化和盆地形成机制[J].海洋地质与第四纪地质,12(3):38-43.
能源,吴景富,漆家福,等.2011.琼东南-珠江口盆地深水区构造样式及其分布特征[J].天然气工业,31(8):32-37.
彭辉界,庞雄奇,李洪博,等.2016.珠江口盆地珠一坳陷断裂控藏定量表征与有利勘探区预测[J].现代地质,30(6):1319-1328.
茹克.1990.裂陷盆地的半地堑分析[J].中国海上油气(地质),4(6)2-10.
苏明,李俊良,姜涛,等.2009.琼东南盆地中央峡谷的形态及成因[J]海洋地质与第四纪地质,29(4):85-93.
施小斌,于传海,陈梅,等.2017.南海北部陆缘热流变化特征及其影响因素分[J].地学前缘,24(3):56-64.
童亨茂,2010.“不协调伸展”作用下裂陷盆地断层的形成演化模式[J]地质通报,29(11):1607-1613.
童亨茂,孟令箭,蔡东升,等.2009.裂陷盆地断层的形成和演化——目标砂箱模拟实验与认识[J].地质学报,83(6):760-774.
巫建华,刘帅.2008.大地构造学概论与中国大地构造学纲要[M].北京:地质出版社.
吴培康.1992.琼东南盆地半地堑充填模型[J].中国海上油气(地质),6(6):1-8.
吴珍云,尹宏伟,汪新,等.2014.裂谷盆地盐构造形成演化及油气成藏地质意义[J].石油学报,35(3):877-889.
谢文彦,张一伟,孙珍,等.2007.琼东南盆地断裂构造与成因机制[J].海洋地质与第四纪地质,27(1):71-78.
解习农,任建业,王振峰,等.2015.南海大陆边缘盆地构造演化差异性及其与南海扩张耦合关系[J].地学前缘,22(1):77-87.
谢玉洪,童传新,范彩伟,等.2015.琼东南盆地断裂系统特征与演化[J].大地构造与成矿学,39(5):795-807.
龙根元,吴世敏,刘兵,等.2016.琼东南盆地南部坳陷带12号断层性质及成因[J].海洋地质与第四纪地质,36(2):93-99.
杨传胜,杨长清,张剑,等.2017.东海陆架盆地中生界构造样式及其动力学成因探讨[J].海洋通报,36(4):431-439.
杨香华,李安春.2003.东海大陆边缘基底性质与沉积盆地[J].中国海上油气(地质),17(1):26-28.
张成功.2010.南海北部陆坡深水区构造演化及其特征[J].石油学报,31(4):528-541.
周建勋,魏春光,朱战军.2002.基底收缩对挤压构造变形特征影响——来自砂箱实验的启示[J].地学前缘,9(4):377-382.
朱俊章,施和生,龙祖烈,等.2015.珠一坳陷半地堑成藏系统成藏模式与油气分布格局[J].中国石油勘探,20(1):24-37.
朱伟林,吴景富,张功成,等.2015.中国近海新生代盆地构造差异性演化及油气勘探方向[J].地学前缘,22(1):88-101.
周永胜,王绳祖.1999.裂陷盆地成因研究现状综述与讨论[J].地球物理学进展,14(3):29-47.
朱战军,周建勋.2004.雁列构造是走滑断层蹲在的充分判据——来自平面沙箱模拟实验的启示[J].大地构造与成矿学,28(2):142-148.
Bonini M.2003.Detachment folding,flod amplification,and diapirism in thrust wedge experiments[J].Tectonics,22:1065.
Bonini M.2007.Deformation patterns and structural vergence in brittle-ductile thrust wedges:an additional analogue modelling perspective[J].Journal of Structural Geology,29(1):141-158.
Buchanan P G and McClay K R.1991.Sandbox experiments of inverted listric and planar fault systems[J].Tectonophysics,188:97-115.
Davy Ph and Cobbold P R.1991.Experiments on shortening of a 4-layer model of the continental lithosphere[J].Tectonophysics,188:1-25.
Koyi H,Jenyon M K and Petersen K.1993.The effect of basement faulting on diapirism[J].Journal of Petroleum Geology,16(3):283-312.
Mandal N and Chattopadhyay A.1995.Modes of reverse reactivation of domino-type normal faults:experimental and theoretical approach[J].Journal of Structural Geology,17(8):1151-1163.
McClay K R and Scott A D.1991.Experimental models of hangingwall deformation in ramp-flat listric extensional fault systems[J].Tectonophysics,188:85-96.
McClay K R and White M J.1995.Analogue modelling of orthogonal and oblique rifting[J].Marine and Petroleum Geology,12(2):137-151.
Wang Z F,Shi X B,Yang J,et al.2014.Analyses on the tectonic thermal evolution and influence factors in the deep-water Qiongdongnan Basin[J].China Academic Journal Electronic Publishing House,33(12):107-117.
雷超,任建业,李绪深,等.2011.琼东南盆地深水区结构构造特征与油气勘探潜力[J].石油勘探与开发,38(5):560-569.
刘桂侠,杨永泰.2003.柴达木盆地北部基底岩性对上部地层构造演化及储集条件的影响[J].天然气工业,23(2):40-43.
刘平,李文龙,唐圣明,等.2017.北部湾盆地雷东凹陷主控断层发育特征及其形成机制[J].海洋地质前沿,33(2):48-55.
刘志峰,王升兰,印斌浩,等.2013.珠江口盆地珠Ⅰ、珠Ⅲ坳陷裂陷期湖相分布差异及其控制因素[J].石油实验地质,35(5):524-533.
李才,尤丽,朱继田,等.2016.琼东南盆地深水区中央凹陷断裂体系及其对油气成藏的控制[J].海相油气地质,21(1):73-78.
李培廉,朱平.1992.试论东海陆架盆地的基底构造演化和盆地形成机制[J].海洋地质与第四纪地质,12(3):38-43.
能源,吴景富,漆家福,等.2011.琼东南-珠江口盆地深水区构造样式及其分布特征[J].天然气工业,31(8):32-37.
彭辉界,庞雄奇,李洪博,等.2016.珠江口盆地珠一坳陷断裂控藏定量表征与有利勘探区预测[J].现代地质,30(6):1319-1328.
茹克.1990.裂陷盆地的半地堑分析[J].中国海上油气(地质),4(6)2-10.
苏明,李俊良,姜涛,等.2009.琼东南盆地中央峡谷的形态及成因[J]海洋地质与第四纪地质,29(4):85-93.
施小斌,于传海,陈梅,等.2017.南海北部陆缘热流变化特征及其影响因素分[J].地学前缘,24(3):56-64.
童亨茂,2010.“不协调伸展”作用下裂陷盆地断层的形成演化模式[J]地质通报,29(11):1607-1613.
童亨茂,孟令箭,蔡东升,等.2009.裂陷盆地断层的形成和演化——目标砂箱模拟实验与认识[J].地质学报,83(6):760-774.
巫建华,刘帅.2008.大地构造学概论与中国大地构造学纲要[M].北京:地质出版社.
吴培康.1992.琼东南盆地半地堑充填模型[J].中国海上油气(地质),6(6):1-8.
吴珍云,尹宏伟,汪新,等.2014.裂谷盆地盐构造形成演化及油气成藏地质意义[J].石油学报,35(3):877-889.
谢文彦,张一伟,孙珍,等.2007.琼东南盆地断裂构造与成因机制[J].海洋地质与第四纪地质,27(1):71-78.
解习农,任建业,王振峰,等.2015.南海大陆边缘盆地构造演化差异性及其与南海扩张耦合关系[J].地学前缘,22(1):77-87.
谢玉洪,童传新,范彩伟,等.2015.琼东南盆地断裂系统特征与演化[J].大地构造与成矿学,39(5):795-807.
龙根元,吴世敏,刘兵,等.2016.琼东南盆地南部坳陷带12号断层性质及成因[J].海洋地质与第四纪地质,36(2):93-99.
杨传胜,杨长清,张剑,等.2017.东海陆架盆地中生界构造样式及其动力学成因探讨[J].海洋通报,36(4):431-439.
杨香华,李安春.2003.东海大陆边缘基底性质与沉积盆地[J].中国海上油气(地质),17(1):26-28.
张成功.2010.南海北部陆坡深水区构造演化及其特征[J].石油学报,31(4):528-541.
周建勋,魏春光,朱战军.2002.基底收缩对挤压构造变形特征影响——来自砂箱实验的启示[J].地学前缘,9(4):377-382.
朱俊章,施和生,龙祖烈,等.2015.珠一坳陷半地堑成藏系统成藏模式与油气分布格局[J].中国石油勘探,20(1):24-37.
朱伟林,吴景富,张功成,等.2015.中国近海新生代盆地构造差异性演化及油气勘探方向[J].地学前缘,22(1):88-101.
周永胜,王绳祖.1999.裂陷盆地成因研究现状综述与讨论[J].地球物理学进展,14(3):29-47.
朱战军,周建勋.2004.雁列构造是走滑断层蹲在的充分判据——来自平面沙箱模拟实验的启示[J].大地构造与成矿学,28(2):142-148.
Bonini M.2003.Detachment folding,flod amplification,and diapirism in thrust wedge experiments[J].Tectonics,22:1065.
Bonini M.2007.Deformation patterns and structural vergence in brittle-ductile thrust wedges:an additional analogue modelling perspective[J].Journal of Structural Geology,29(1):141-158.
Buchanan P G and McClay K R.1991.Sandbox experiments of inverted listric and planar fault systems[J].Tectonophysics,188:97-115.
Davy Ph and Cobbold P R.1991.Experiments on shortening of a 4-layer model of the continental lithosphere[J].Tectonophysics,188:1-25.
Koyi H,Jenyon M K and Petersen K.1993.The effect of basement faulting on diapirism[J].Journal of Petroleum Geology,16(3):283-312.
Mandal N and Chattopadhyay A.1995.Modes of reverse reactivation of domino-type normal faults:experimental and theoretical approach[J].Journal of Structural Geology,17(8):1151-1163.
McClay K R and Scott A D.1991.Experimental models of hangingwall deformation in ramp-flat listric extensional fault systems[J].Tectonophysics,188:85-96.
McClay K R and White M J.1995.Analogue modelling of orthogonal and oblique rifting[J].Marine and Petroleum Geology,12(2):137-151.
Wang Z F,Shi X B,Yang J,et al.2014.Analyses on the tectonic thermal evolution and influence factors in the deep-water Qiongdongnan Basin[J].China Academic Journal Electronic Publishing House,33(12):107-117.
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