松辽盆地滨北地区区域构造特征及意义——地震长剖面给出的证据
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摘要
松辽盆地位于西太平洋大陆边缘北部,其主体部分位于黑龙江板块群的中部。松辽盆地整个上部地壳所受到的挤压应力场在南北两大地区存在空间差别。在板块构造理论指导下,利用研究区内的地震长剖面资料,研究松辽盆地滨北地区区域构造特征。通过分析认为,滨北地区东、西部多为隆起或斜坡区,而中部多是凹陷,从南向北,地层沉积厚度逐渐变薄。早期的断层活动导致了凹陷内凹隆相间的构造特点。
Songliao basin is located in north west of the Pacific continental margin,its main area lies in the middle of Heilongjiang plates.The compression stress field of the upper crust in Songliao basin is different from place to place especially from north to south of the area.With plate tectonics,the authors studied the regional tectonic characteristics of North Harbin in Songliao basin using the long seismic profiles.With seismic analytic interpretation the authors gained that there are uplifts and depressions in East and West of the area,and most of the depressions are in the middle part of the basin.From South to North the sedimentary thickness gradually becomes thin.The earlier fault movements resulted in the tectonic characteristics of the area with alternating uplifts and depressions.
Songliao basin is located in north west of the Pacific continental margin,its main area lies in the middle of Heilongjiang plates.The compression stress field of the upper crust in Songliao basin is different from place to place especially from north to south of the area.With plate tectonics,the authors studied the regional tectonic characteristics of North Harbin in Songliao basin using the long seismic profiles.With seismic analytic interpretation the authors gained that there are uplifts and depressions in East and West of the area,and most of the depressions are in the middle part of the basin.From South to North the sedimentary thickness gradually becomes thin.The earlier fault movements resulted in the tectonic characteristics of the area with alternating uplifts and depressions.
引文
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[2]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,1996,39(6):772 782.YANG Bao-jun,MU Shi-min,JIN Xu,et al.Synthe-sised study on the geophysics in Manzhouli-Suifenhegeoscience transect zone China[J].Chinese Journal ofGeophysics,1996,39(6):772 782.
[3]郭巍,刘招君,董清水,等.断陷湖盆层序地层格架中的油气聚集规律———以松辽盆地为例[J].吉林大学学报(地球科学版),2002,32(3):233 237.GUO Wei,LIU Zhao-jun,DONG Qing-shui,et al.Oiland gas gathering rule in the sequence stritagraphicframe of fault depression lacustrine basin An exam-ple from Songliao basin[J].Journal of Jilin University(Earth Science Edition),2002,32(3):233 237.
[4]孙晓猛,张梅生,杨宝俊,等.松辽盆地地质、地球物理特征及其构造演化[J].长春科技大学学报,2000,30(地质地球物理综合专辑):8 13.SUN Xiao-meng,ZHANG Mei-sheng,YANG Bao-jun,et al.Geological and geophysical features and theirstructural evolution in Songliao basin[J].Journal ofChangchun University of Science and Technology,2000,30(Sup.):8 13.
[5]杨宝俊,于平,李瑞磊.用地震长剖面研究华北盆地及邻区区域构造特征[J].长春科技大学学报,2001,31(地质地球物理综合专辑Ⅳ):126 131.YANG Bao-jun,YU Ping,LI Rui-lei.A study on re-gional tectonic characteristics of Huabei basin and itsadjacent area using the long seismic profiles[J].Jour-nal of Changchun University of Science and Technolo-gy,2001,31(Sup.):126 131.
[6]赵庆吉,何兴华,赵秀梅,等.松辽盆地的形成演化及油气成藏规律[A].见:地质矿产部石油地质研究所编.石油与天然气地质文集.天然气远景评价[C].北京:地质出版社,1997:102 109.ZHAO Qing-ji,HE Xing-hua,ZHAO Xiu-mei,et al.Formation evolution and petroleum-formation law ofSongliao basin[A].In:The Institute of Petroleum Ge-ology,Ministry of Geology and Mineral Resources,ed.The perspective appraisement on natural gas[C].Beijing:Geological Publishing House,1997:102 109.
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