酒泉盆地晚白垩世—古新世构造特征
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摘要
酒泉盆地普遍发育了始新统与下白垩统之间的不整合。通过对地震剖面和下白垩统中沟组残余厚度的分析,提出了酒泉盆地晚白垩世—古新世发生了强烈的构造变形,构造线总体方向为北西向。晚白垩世—古新世的变形导致了早白垩世连通的酒泉盆地和民乐盆地、酒泉盆地的花海凹陷和石大凹陷开始分割。该期变形还对盆地的油气聚集和后期的沉积起到了控制作用。
The unconformity between the Eocene and the Lower Cretaceous is common in Jiuquan basin.Based on analyses of the seismic profiles and remnant thickness of the Lower Cretaceous Zhonggou Formation,it is suggested that a strong structural deformation had happened during the Late Cretaceous-Paleocene,resulting in generally NW-trending structural lines in the basin.The deformation resulted in the separation of Jiuquan Basin from Minle Basin that were previous connected in the Early Cretaceous and Huahai depression from Shida depression in Jiuquan basin.It also controlled the hydrocarbon accumulation and the later sedimentation in the basin.
The unconformity between the Eocene and the Lower Cretaceous is common in Jiuquan basin.Based on analyses of the seismic profiles and remnant thickness of the Lower Cretaceous Zhonggou Formation,it is suggested that a strong structural deformation had happened during the Late Cretaceous-Paleocene,resulting in generally NW-trending structural lines in the basin.The deformation resulted in the separation of Jiuquan Basin from Minle Basin that were previous connected in the Early Cretaceous and Huahai depression from Shida depression in Jiuquan basin.It also controlled the hydrocarbon accumulation and the later sedimentation in the basin.
引文
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16肖安成,陈志勇,杨树锋,等.柴达木盆地北缘晚白垩世古构造活动的特征研究[J].地学前缘,2005,12(4):451~457X iao Ancheng,Chen Zhiyong,Yang Shufeng,et al.The study oflate Cretaceous paleostructural characteristics in northern Qaidambasin[J].Earth Science Frontier,2005,12(4):451-457
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19 G raham S,HendrixM,W ang Z,et al.Collisional successor ba-sins ofwestern Ch ina:impact of tecton ic inheritance on sand com-position[J].Geological Society of Am erica Bu lletin,1993,105(3):323-344
2霍永录,谭试典.酒泉盆地陆相石油地质特征及勘探实践[M].北京:石油工业出版社,1995Huo Yonglu,Tan Sh id ian.Exploration and characteristics of non-marine petroleum geology in the Jiuquan basin[M].Beijing:Pe-troleum Industry Press,1995
3王崇孝,马国福,周在华.酒泉盆地中、新生代构造演化及沉积充填特征[J].石油勘探与开发,2005,32(1):33~36W ang Chongxiao,Ma Guofu,Zhou Zaihua.Structure evolutionand sed im entary filling of Jiuquan basin in M esozoic-Cenozoic pe-riod,NW Ch ina[J].Petroleum Exploration&D evelopm ent,2005,32(1):33-36
4李奋其.中国西北部南北向伸展构造存在的新证据———酒泉早白垩世半地堑断陷成因初探[J].沉积与特提斯地质,2003,23(2):35~42Li Fenq i.New evidences for the presence of the NS-trending exten-sional structures in northwestern China:an example from the EarlyCretaceous half-graben fault depressions in Jiuquan,Gansu[J].Sedi-mentary Geology and Tethyan Geology,2003,23(2):35-42
5潘良云,谢结来,李明杰,等.酒泉盆地白垩纪———新生代区域构造演化与油气勘探[J].石油与天然气地质,2006,27(1):62~69Pan L iangyun,X ie Jielai,L iM ingjie,et al.C retaceous-Cenozoicregional tecton ic evolution in Jiuquan basin and petroleum explora-tion[J].O il&Gas Geology,2006,27(1):62-69
6黄华芳,郑国东,方国庆,等.酒西盆地南缘推覆构造及其含油领域[J].石油与天然气地质,1993,14(3):181~190Huang Huafang,Zheng Guodong,Fang Guoq ing,et al.Nappestructures in south margin of Jiuxi basin and its oil-bearing areas[J].O il&Gas Geology,1993,14(3):181-190
7高瑞祺,赵政璋.中国油气新区勘探(第四卷)———中国西北地区侏罗系油气分布[M].北京:石油工业出版社,2001Gao Ru iq i,Zhao Zhengzhang.The frontier petroleum explorationin Ch ina(Vol 4):Jurassic oil and gas d istribution in northwestCh ina[M].Beijing:Petroleum Industry Press,2001
8甘肃省区域地层表编写组.西北地区区域地层表(甘肃省分册)[M].北京:地质出版社,1980Bureau of Geology and M ineral Resources of Gansu Provine.Re-gional stratum tab le ofNorthwest Ch ina(Gansu Province B ranch)[M].Beijing:Geological Pub ish ing House,1980
9甘肃省地矿局甘肃省区域地质志[M].北京:地质出版社,1989Bureau of Geology and M ineral Resources of Gansu Province.Re-gional geology ofGansu Province[M].Beijing:Geological Press,
10国家地震局地质研究所,国家地震局兰州地震研究所.祁连山-河西走廊活动断裂系[M].北京:地震出版,1993Institute ofGeology,Ch ina earthquake adm in istration;EarthquakeResearch Institute of Lanzhou,Ch ina earth-quake adm in istration.Active fau lt system of Q ilian Mountain-Hexi corridor[M].Bei-jing:Earthquake Press,1993
11王多杰,徐山卫.民乐盆地的新构造与地震[J].甘肃地质学报,1990,(11):24~25W ang Duojie,Xu Shanwei.Neotecton ic movem ent and earth-quake ofM in le basin[J].Acta Geologica Gansu,1990,(11):24-25
12高锐,成湘洲,丁谦.格尔木———额济纳旗地学断面地球动力学模型初探[J].地球物理学报,1995,38(增刊):3~14Gao Ru i,Cheng X iangzhou,D ing Q ian.Prelim inary geodynam icmodel of Golmud-E jin Q i geoscience transect[J].Acta Geo-physica S in ica,38(SO):3-14
13潘宏勋,葛肖虹,刘俊来.对祁连山北缘榆木山隆起的质疑[J].长春科技大学学报,2000,30(1):9~13Pan Hongxun,Ge X iaohong,Liu Junlai.Query to the Yumushan up-lift on the north margin ofQ ilian mountain[J].Journal ofChangchunUniversity of Science and Technology,2000,30(1):9-13
14候康明,石亚缪,张忻.青藏高原北部NNW向构造活动方式及形成年代[J].地震地质,1999,21(2):127~136Hou Kangm ing,Sh i Yam iao,Zhang X ing.Activity ways and for-mation age of the NNW tecton ics in the northern Tibet plateau[J].Seismology and Geology,1999,21(2):127-136
15李有利,杨景春,李保俊,等.河西走廊榆木山边缘断层构造地貌研究[J].地质力学学报,1997,3(4):20~26L i You li,yang Jingchun,L i Baojun,et al.On the tecton ic lang-form of the Yumu Mountain,Hexi corridor,Gansu province[J].Journal of Geom echan ics,1997,3(4):20-26
16肖安成,陈志勇,杨树锋,等.柴达木盆地北缘晚白垩世古构造活动的特征研究[J].地学前缘,2005,12(4):451~457X iao Ancheng,Chen Zhiyong,Yang Shufeng,et al.The study oflate Cretaceous paleostructural characteristics in northern Qaidambasin[J].Earth Science Frontier,2005,12(4):451-457
17贾承造,陈汉林,杨树锋,等.库车坳陷晚白垩世隆升过程及其地质响应[J].石油学报,2003,24(3):1~5,15Jia Chengzao,Chen Han lin,Yang Shufeng,et al.Late C reta-ceous uplifting process and its geological response in Kuqa depres-sion[J].Acta Petrolei S in ica,2003,24(3):1-5,15
18 HendrixM,G raham S,Carroll A,et al.Sed im entary record andclimatic implication of recurrent deformation in the Tianshan:Evi-dence from M esozoic strata of the north Tarim,south Junggar,andTurpan basins,northwest Ch ina[J].Geological Society ofAm eri-ca Bu lletin,1992,104(1):53-79
19 G raham S,HendrixM,W ang Z,et al.Collisional successor ba-sins ofwestern Ch ina:impact of tecton ic inheritance on sand com-position[J].Geological Society of Am erica Bu lletin,1993,105(3):323-344
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