松辽盆地长岭断陷构造演化及其动力学背景
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摘要
通过大量高精度二维地震剖面的构造解析与平衡地质剖面构造演化史定量恢复,探讨了松辽盆地长岭断陷的构造演化及其地球动力学背景。长岭断陷发育NNE、NNW、SN等多个方向的低角度铲式正断层,它们可能是在晚侏罗世—早白垩世郯庐断裂系左行走滑派生的次级破裂的基础上受断陷期强烈地壳伸展拆离作用形成的。断陷期可分为早晚两个脉冲式伸展事件,每个伸展脉冲均由一个快速伸展期和其后的缓慢伸展期组成,前者与火山活动高峰期相对应,后者则是构造转换期。早期伸展是以热穹窿式多向拉伸为标志,可能是侏罗纪岩石圈加厚后根部发生拆沉作用导致地壳弹性回调和岩浆底侵的结果。而晚期伸展则以NWW—SEE向区域伸展为标志,是对中国东部广泛的地壳伸展拆离和岩石圈减薄事件的响应,可能是伊则纳崎板块俯冲产生的弧后扩张效应。
The structure evolution and its dynamics during the rifting stage in the Changling faut depression in northeast China are discussed in Songliao basin according to the structural analysis of precise 2D seismic profiles and their quantitative structure evolution restoration.Multi-directional low-angle listric faults,e.g.NNE,NNW and SN developed in the Changling fault depression,which probably formed basing on the secondary fractures induced by the sinistral strike-slip movement of the Tanlu fault zone during the Late Jurassic to Early Cretaceous and influenced by the intensive crustal detachment during the rifting stage.The faulted phase can be divided into two episodic extensional extents.Each extension episode is composed of a relatively rapid extension age coeval with the peak of volcanism and a subsequent slow extension age coherent with structural transition.The early extension episode is marked by the doming-like multi-directional extension which was probably resulted from the crustal elastic rebound and magma underplating induced by the delamination of the thickened lithosphere during the late Jurassic.The late extension episode was characterized by the NWW-SEE regional stretching corresponding to the vast crustal detachment and lithosphere thinning in eastern China,which was probably caused by the back-arc extension effect of the subduction of Izanagi Plate.
The structure evolution and its dynamics during the rifting stage in the Changling faut depression in northeast China are discussed in Songliao basin according to the structural analysis of precise 2D seismic profiles and their quantitative structure evolution restoration.Multi-directional low-angle listric faults,e.g.NNE,NNW and SN developed in the Changling fault depression,which probably formed basing on the secondary fractures induced by the sinistral strike-slip movement of the Tanlu fault zone during the Late Jurassic to Early Cretaceous and influenced by the intensive crustal detachment during the rifting stage.The faulted phase can be divided into two episodic extensional extents.Each extension episode is composed of a relatively rapid extension age coeval with the peak of volcanism and a subsequent slow extension age coherent with structural transition.The early extension episode is marked by the doming-like multi-directional extension which was probably resulted from the crustal elastic rebound and magma underplating induced by the delamination of the thickened lithosphere during the late Jurassic.The late extension episode was characterized by the NWW-SEE regional stretching corresponding to the vast crustal detachment and lithosphere thinning in eastern China,which was probably caused by the back-arc extension effect of the subduction of Izanagi Plate.
引文
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[21]黄翠叶,申维.松辽盆地东南隆起区深层断陷的构造特征及其对油气勘探的意义[J].地质通报,2007(7):841-848.
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[23]贾军涛,王璞君,万晓樵.松辽盆地断陷期白垩纪营城组的时代归属[J].地质论评,2008,54(4):439-448.
[24]丁日新,舒萍,纪学雁,等.松辽盆地庆深气田储层火山岩锆石U-Pb同位素年龄及其地质意义[J].吉林大学学报:地球科学版,2007,37(3):525-530.
[25]舒萍,丁日新,纪学雁,等.松辽盆地庆深气田储层火山岩锆石地质年代学研究[J].岩石矿物学杂志,2007,26(3):239-246.
[26]章凤奇,庞彦明,杨树锋,等.松辽盆地北部断陷区营城组火山岩锆石SHRIMP年代学、地球化学及其意义[J].地质学报,2007,81(9):1248-1258.
[27]ZORIN Y A.Geodynamics of the western part of theMongolia-Okhotsk collisional belt,Trans-Baikal region(Russia)and Mongolia[J].Tectonophysics,1999,306(1):33-56.
[28]赵越,杨振宇,马醒华.东亚大地构造发展的重要转折[J].地质科学,1994(2):105-119.
[29]张庆龙,水谷伸治郎,小(山鸟)智,等.黑龙江省那丹哈达地体构造初探[J].地质论评,1989,35(1):67-71.
[30]水谷伸治郎,邵济安,张庆龙.那丹哈达地体与东亚大陆边缘中生代构造的关系[J].地质学报,1989,63(3):204-216.
[31]MIAO L C,FAN W M,ZHANG F Q,et al.ZirconSHRIMP geochronology of the Xinkailing-Kele complexin the northwestern Lesser Xing an Range,and its geolog-ical implications[J].Chinese Science Bulletin,2004,49(2):201-209.
[32]GAO F H,XUW L,YANG D B,et al.LA-ICP-MS zir-con U-Pb dating from granitoids in southern basement ofSongliao basin:Constraints on ages of the basin basement[J].Science in China Series D:Earth Sciences,2007,50(7):995-1004.
[33]WU F,SUN D,LI H,et al.The nature of basement be-neath the Songliao basin in NE China:Geochemical andisotopic constraints[J].Physics and Chemistry of theEarth,Part A:Solid Earth and Geodesy,2001,26(9/10):793-803.
[34]WU F,SUN D,LI H,et al.Zircon U-Pb ages of thebasement rocks beneath the Songliao basin,NE China[J].Chinese Science Bulletin,2000,45(16):1514-1518.
[35]VANDER VOO R,SPAKMANW,BIJWAARD H.Mes-ozoic subducted slabs under Siberia[J].Nature,1999,397(6716):246-249.
[36]MENG Q.What drove late Mesozoic extension of thenorthern China-Mongolia tract?[J].Tectonophysics,2003,369(3/4):155-174.
[37]WANG P,CHEN F,CHEN S,et al.Geochemical andNd-Sr-Pb isotopic composition of Mesozoic volcanic rocksin the Songliao basin,NE China[J].Geochemical Jour-nal,2006,40(2):149-159.
[38]YANG B,TANG J,LI Q,et al.Crustal reflection struc-ture in the uplifting zone of Songliao Basin and disconnec-ting Moho interface[J].Science in China,Series D:Earth Sciences,2004,47(6):514-521.
[2]SONG T.Inversion styles in the Songliao basin(northeastChina)and estimation of the degree of inversion[J].Tectonophysics,1997,283(1/4):173-188.
[3]HUW,CAI C,WUZ,et al.Structural style and its re-lation to hydrocarbon exploration in the Songliao basin,northeast China[J].Marine and Petroleum Geology,1998,15(1):41-55.
[4]LIN C,LI S,ZHANG Q,et al.Lithospheric Stretching,Subsidence and Thermal History Modeling:Application toYinggehai,Qiongdongnan and Songliao Basins in EastChina[J].Journal of China University of Geosciences,1997,18(1):83-89.
[5]徐士银,张庆龙,舒良树,等.反转构造的识别及其地质意义[J].江苏地质,2006,30(1):6-9.
[6]吴聿元,周荔青.松辽盆地主要断陷大中型油气田形成分布特征[J].石油实验地质,2007,29(3):231-237.
[7]李洪革,林心玉.长岭断陷深层构造特征及天然气勘探潜力分析[J].石油地球物理勘探,2006,41(增刊):33-36.
[8]张玉明,李明,李瑞磊.松辽盆地南部深层系天然气成藏规律[J].石油与天然气地质,2006,27(6):841-848.
[9]赵文智,李建忠.基底断裂对松辽南部油气聚集的控制作用[J].石油学报,2004,25(4):1-6.
[10]李建忠,杨涛,王立武,等.松辽南部大情字井地区断裂构造特征及其控油作用[J].石油勘探与开发,2004,31(1):18-20.
[11]迟元林,云金表,蒙启安.松辽盆地深部结构及成盆动力学与油气聚集[M].北京:石油工业出版社,2002.
[12]俞凯,侯洪斌,郭念发,等.松辽盆地南部断陷层系石油天然气地质[M].北京:石油工业出版社,2002.
[13]WANG P,LIUW,WANG S,et al.Ar-40/Ar-39 andK/Ar dating on the volcanic rocks in the Songliao basin,NE China:constraints on stratigraphy and basin dynamics[J].International Journal of Earth Sciences,2002,91(2):331-340.
[14]WANG P,REN Y,SHAN X,et al.The Cretaceous vol-canic succession around the Songliao basin,NE China:relationship between volcanism and sedimentation[J].Geological Journal,2002,37(2):97-115.
[15]WANG P,XIE X,FRANK M,et al.The CretaceousSongliao basin:Volcanogenic succession,sedimentary se-quence and tectonic evolution,NE China[J].Acta Geo-logica Sinica,2007,81(6):1002-1011.
[16]张功成,蔡希源,周章保.裂陷盆地分析原理和方法——以松辽盆地为例[M].北京:石油工业出版社,1996.
[17]王东坡,许敏,薛林福,等.沉积盆地地球动力学系统的研究——以辽西-辽北-松辽盆地南部为例[J].石油与天然气地质,1999,20(4):273-278.
[18]杨宝俊,穆石敏,金旭,等.中国满洲里—绥芬河地学断面地球物理综合研究[J].地球物理学报,1996(6):772-782.
[19]张晓东,余青,陈发景,等.松辽盆地变质核杂岩和伸展断陷的构造特征及成因[J].地学前缘,2000,7(4):411-419.
[20]陈娟,张庆龙,王良书,等.松辽盆地长岭断陷盆地断陷期构造转换及油气地质意义[J].地质学报,2008,82(8):1-9.
[21]黄翠叶,申维.松辽盆地东南隆起区深层断陷的构造特征及其对油气勘探的意义[J].地质通报,2007(7):841-848.
[22]方立敏,李玉喜,殷进垠,等.松辽盆地断陷末期反转构造特征与形成机制[J].石油地球物理勘探,2003,38(2):190-193.
[23]贾军涛,王璞君,万晓樵.松辽盆地断陷期白垩纪营城组的时代归属[J].地质论评,2008,54(4):439-448.
[24]丁日新,舒萍,纪学雁,等.松辽盆地庆深气田储层火山岩锆石U-Pb同位素年龄及其地质意义[J].吉林大学学报:地球科学版,2007,37(3):525-530.
[25]舒萍,丁日新,纪学雁,等.松辽盆地庆深气田储层火山岩锆石地质年代学研究[J].岩石矿物学杂志,2007,26(3):239-246.
[26]章凤奇,庞彦明,杨树锋,等.松辽盆地北部断陷区营城组火山岩锆石SHRIMP年代学、地球化学及其意义[J].地质学报,2007,81(9):1248-1258.
[27]ZORIN Y A.Geodynamics of the western part of theMongolia-Okhotsk collisional belt,Trans-Baikal region(Russia)and Mongolia[J].Tectonophysics,1999,306(1):33-56.
[28]赵越,杨振宇,马醒华.东亚大地构造发展的重要转折[J].地质科学,1994(2):105-119.
[29]张庆龙,水谷伸治郎,小(山鸟)智,等.黑龙江省那丹哈达地体构造初探[J].地质论评,1989,35(1):67-71.
[30]水谷伸治郎,邵济安,张庆龙.那丹哈达地体与东亚大陆边缘中生代构造的关系[J].地质学报,1989,63(3):204-216.
[31]MIAO L C,FAN W M,ZHANG F Q,et al.ZirconSHRIMP geochronology of the Xinkailing-Kele complexin the northwestern Lesser Xing an Range,and its geolog-ical implications[J].Chinese Science Bulletin,2004,49(2):201-209.
[32]GAO F H,XUW L,YANG D B,et al.LA-ICP-MS zir-con U-Pb dating from granitoids in southern basement ofSongliao basin:Constraints on ages of the basin basement[J].Science in China Series D:Earth Sciences,2007,50(7):995-1004.
[33]WU F,SUN D,LI H,et al.The nature of basement be-neath the Songliao basin in NE China:Geochemical andisotopic constraints[J].Physics and Chemistry of theEarth,Part A:Solid Earth and Geodesy,2001,26(9/10):793-803.
[34]WU F,SUN D,LI H,et al.Zircon U-Pb ages of thebasement rocks beneath the Songliao basin,NE China[J].Chinese Science Bulletin,2000,45(16):1514-1518.
[35]VANDER VOO R,SPAKMANW,BIJWAARD H.Mes-ozoic subducted slabs under Siberia[J].Nature,1999,397(6716):246-249.
[36]MENG Q.What drove late Mesozoic extension of thenorthern China-Mongolia tract?[J].Tectonophysics,2003,369(3/4):155-174.
[37]WANG P,CHEN F,CHEN S,et al.Geochemical andNd-Sr-Pb isotopic composition of Mesozoic volcanic rocksin the Songliao basin,NE China[J].Geochemical Jour-nal,2006,40(2):149-159.
[38]YANG B,TANG J,LI Q,et al.Crustal reflection struc-ture in the uplifting zone of Songliao Basin and disconnec-ting Moho interface[J].Science in China,Series D:Earth Sciences,2004,47(6):514-521.
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