准噶尔盆地南缘霍玛吐构造带晚新生代构造变形特征及时间
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摘要
通过地震剖面精细地质解释,对准南缘霍马吐构造带的构造变形特征进行了系统分析.认为霍马吐构造带纵向上分三层,第一层为沿着古近系安集海河组底部泥岩层滑脱的单斜带,第二、三层在霍尔果斯为一断层转折-复合楔状叠加褶皱,在玛纳斯为一断层转折-断层传播叠加褶皱,在吐谷鲁则为一断层传播-断层传播叠加褶皱,滑脱层分别为下白垩统和中、下侏罗统的煤系或泥岩.构造变形开始于塔西河组(N1t)沉积期,定型于西域组(Q1x)沉积期及之后,并大体具有"西早东晚"、"上早下晚"的构造变形特征.
Based on the seismic profile interpretation,the structural deformation features of Huo-Ma-Tu structural belt in southern Junggar basin,northwest China is presented.Huo-Ma-Tu structural belt in section is composed of three layers of structures.The upper is a monoclie detached along to the bottom of Anjihaihe Formation of Paleogene;the middle and lower is a hybrid fault-bend/wedgement fold in Huorguosi,hybrid fault-bend/fault-propagation fold in Malasi,and hybrid fault-propagation/fault-propagation fold in Tugulu respectively.And the detachment layer is the mudstone of Lower Cretaceous in the middle,and coal and mudstone of Middle and Lower Jurassic in the lower.The structural deformation started in the sedimentary period of Taxihe Formation(N1t),and formed in and after the sedimentary period of Xiyu Formation(Q1x),and exhibits the features of earlier in the west and upper than in the east and lower.
Based on the seismic profile interpretation,the structural deformation features of Huo-Ma-Tu structural belt in southern Junggar basin,northwest China is presented.Huo-Ma-Tu structural belt in section is composed of three layers of structures.The upper is a monoclie detached along to the bottom of Anjihaihe Formation of Paleogene;the middle and lower is a hybrid fault-bend/wedgement fold in Huorguosi,hybrid fault-bend/fault-propagation fold in Malasi,and hybrid fault-propagation/fault-propagation fold in Tugulu respectively.And the detachment layer is the mudstone of Lower Cretaceous in the middle,and coal and mudstone of Middle and Lower Jurassic in the lower.The structural deformation started in the sedimentary period of Taxihe Formation(N1t),and formed in and after the sedimentary period of Xiyu Formation(Q1x),and exhibits the features of earlier in the west and upper than in the east and lower.
引文
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[3]李学义,李天明,姚卫江,等.霍尔果斯构造油气藏成藏条件[J].新疆石油地质,2005,26(3):242-244.LI Xue-yi,LI Tian-ming,YAO Wei-jiang,et al.Hy-drocarbon accumulation model in Huoerguos structuralreservoir[J].Xinjiang Petroleum Geology,2005,26(3):242-244.
[4]何登发,陈新发,张义杰,等.准噶尔盆地油气富集规律[J].石油学报,2004,25(3):1-10.HE Deng-fa,CHEN Xin-fa,ZHANG Yi-jie,et al.Enrichment characteristics of oil and gas in Jungar Ba-sin[J].Acta Petrolei Sinica,2004,25(3):1-10.
[5]况军,齐雪峰.准噶尔前陆盆地构造特征与油气勘探方向[J].新疆石油地质,2006,27(1):5-9.KUANG Jun,QI Xue-feng.The structural character-istics and oil-gas explorative direction in Junggar Fore-land Basin[J].Xinjiang Petroleum Geology,2006,27(1):5-9.
[6]陈新,卢华复,舒良树,等.准噶尔盆地构造演化分析新进展[J].高校地质学报,2002,8(3):257-267.CHEN Xin,LU Hua-fu,SHU Liang-shu,et al.Study on tectonic evolution of Junggar Basin[J].Geo-logical,J of China Universities,2002,8(3):257-267.
[7]陈业全,王伟峰.准噶尔盆地构造演化与油气成藏特征[J].石油大学学报:自然科学版,2004,28(3):4-8.CHEN Ye-quan,WANG Wei-feng.Structural evolu-tion and pool-forming in Junggar Basin[J].J of the U-niversity of Petroleum,China,2004,28(3):4-8.
[8]李丕龙.准噶尔盆地石油地质特征与大油气田勘探方向[J].石油学报,2005,26(6):8-9.LI Pi-long.Petroleum geological characteristics andexploration orientation of large oilfields in Junggar Ba-sin[J].Acta Petrolei Sinica,2005,26(6):8-9.
[9]张闻林,王世谦,肖文.安集海背斜和吐谷鲁背斜成藏机制[J].天然气工业,2000,20(5):22-26.ZHANG Wen-lin,WANG Shi-qian,XIAN Wen.Mecha-nism of forming reservoirs in Anjihai and Tugulu anticlines[J].Natural Gas Industry,2000,20(5):22-26.
[10]王屿涛.准噶尔盆地南缘油气资源潜力和富集规律[J].勘探家,2000,5(1):49-51.WANG Yu-tao.Oil and gas resource potential and a-bundance law on Southern periphery of Junggar basin[J].China Petrleum Exploration,2000,20(5):22-26.
[11]SUPPE J.Geometry and kinematics of fault-bendfolding[J].American Journal of Science,1983,283(9):684-721.
[12]SUPPE J,MEDWEDEFF D A.Geometry and Kine-matics of fault-propagation folding[J].Eclogai Geoli-gicae Helvetiae,1990,83(3):409-454.
[13]LU H F,JIA D,CHEN C M,et al.Evidences forgrowth fault-bend folds in the Tarim basin and its im-plications for fault-slip rates in the Mesozoic and Ce-nozoic[C]∥ZHANG Ya-dong,DAVIS G A,YINAn.Proc,30th,Int’l Geol Congr,Beijing:The Min-istry of Land and Resources P.R.C,1996,14:253-262.
[14]SUPPE J,CHOU G T,HOOK S C.Rates of foldingand faulting determined from growth strata[C]∥ThrustTectonics,London:Chapman&Hall,1992:105-121.
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