塔里木盆地下石炭统巴楚组岩相古地理特征及演化
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摘要
在对塔里木盆地下石炭统巴楚组周缘野外露头剖面、钻井以及岩心观察,地层划分与对比的基础上,结合地震解释资料将巴楚组分为4个岩性段,识别出4种类型的沉积体系,即滨岸沉积体系、碳酸盐台地沉积体系、陆棚沉积体系和扇三角洲沉积体系。研究表明巴楚组岩相古地理具有4个主要的演化阶段,分别为初始海侵期盆地西部浅海陆棚与中部障壁海岸发育阶段,最大海泛期盆地西部开阔台地与中部局限台地发育阶段,海平面缓慢下降期盆地西部局限台地—蒸发台地与中部障壁海岸发育阶段,急速海侵期盆地西部开阔台地与中部局限台地发育阶段。塔里木盆地北部、东部以及中南部地区在整个早石炭世遭受隆起剥蚀,为盆地内部提供了稳定的物源。
Based on comprehensive analysis of field section,drilling well data,well core,and the detailed stratigraphic division and correlation,combining with the seismic interpretation data,the Bachu Formation was divided into four lithologic members,and four depositional systems identified,which are littoral depositional system,carbonate platform depositional system,shelf depositional system and fan delta depositional system.Combining with the tectonic setting and the characteristics of sea-level change,the lithofacies palaeogeography of Bachu Formation was divided into four evolution stages.The stage of initial transgressive with shelf deposition in the western and tidal flat deposition in the central part of Tarim basin,the stage of maximum marine flooding with open platform deposition in the western and restricted platform deposition in the central part of Tarim basin,the stage of slow decline in sea level with evaporation platform deposition in the western and tidal flat deposition in the central part of Tarim basin,the stage of rapid transgression with open platform deposition in the western and restricted platform deposition in the central part of Tarim basin.In the early Carboniferous period,the northern,eastern and south-central part of Tarim basin in the uplift and erosion,and provide a stable source for sedimentation.
Based on comprehensive analysis of field section,drilling well data,well core,and the detailed stratigraphic division and correlation,combining with the seismic interpretation data,the Bachu Formation was divided into four lithologic members,and four depositional systems identified,which are littoral depositional system,carbonate platform depositional system,shelf depositional system and fan delta depositional system.Combining with the tectonic setting and the characteristics of sea-level change,the lithofacies palaeogeography of Bachu Formation was divided into four evolution stages.The stage of initial transgressive with shelf deposition in the western and tidal flat deposition in the central part of Tarim basin,the stage of maximum marine flooding with open platform deposition in the western and restricted platform deposition in the central part of Tarim basin,the stage of slow decline in sea level with evaporation platform deposition in the western and tidal flat deposition in the central part of Tarim basin,the stage of rapid transgression with open platform deposition in the western and restricted platform deposition in the central part of Tarim basin.In the early Carboniferous period,the northern,eastern and south-central part of Tarim basin in the uplift and erosion,and provide a stable source for sedimentation.
引文
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[2]Zhou Xinyuan,Wang Qinghua,Yang Wenjing,et al.The re-source and exploration of natural gas in Tarim basin[J].Nat-ural Gas Geoscience,2005,16(1):7-11.[周新源,王清华,杨文静,等.塔里木盆地天然气资源及勘探方向[J].天然气地球科学,2005,16(1):7-11.]
[3]Tan Xiucheng,Chang Yan,Wang Zhenyu,et al.Depositionalframework and evolution of Bachu Formation in Tarim basin[J].Journal of Southwest Petroleum University,2007,29(4):39-43.[谭秀成,昌燕,王振宇,等.塔里木盆地巴楚组沉积格局与演化[J].西南石油大学学报,2007,29(4):39-43.]
[4]Zhang Ronghu,Zhang Huiliang,Shen Anjiang,et al.Relation-ship between sedimentary environment and high quality reser-voirsof Carboniferous bioclastic limestone member,west ofTari m basin[J].Natural Gas Geoscience,2007,18(4):501-508.[张荣虎,张惠良,沈安江,等.塔里木盆地西部石炭系生屑灰岩段沉积环境与优质储层关系[J].天然气地球科学,2007,18(4):501-508.]
[5]Zhu Rukai,Luo Ping,Luo Zhong.Lithofacies palaeogeographyof the late Devonian and Carboniferous in Tarim basin[J].Journal of Palaeogeography,2002,4(1):13-24.[朱如凯,罗平,罗忠.塔里木盆地晚泥盆世及石炭纪岩相古地理[J].古地理学报,2002,4(1):13-24.]
[6]Ma Qing,Wang Zhenyu,Wang Xingzhi,et al.Study of sedi-mentary facies of bioclasticlimestone member,Carboniferous,Tarim basin[J].Journal of Southwest Petroleum Institute,2003,25(1):20-24.[马青,王振宇,王兴志,等.塔里木盆地石炭系生屑灰岩段沉积相研究[J].西南石油学院学报,2003,25(1):20-24.]
[7]Wang Junqi,Wu Tao.The Carboniferous depositional charac-teristics and petroleum geology in the Tarim basin[J].Experi-mental Petroleum Geology,1999,21(1):23-27.[王君奇,武涛.塔里木盆地石炭系沉积特征及石油地质意义[J].石油实验地质,1999,21(1):23-27.]
[8]Zhao Xiuqi,Zhang Zhensheng,Li Hongwen.Sequence stratig-raphy and petro-facies palaeogeography of Carboniferous sys-tem in the Tarim basin[J].Oil Geophysical Prospecting,1995,30(4):533-545.[赵秀歧,张振生,李洪文.塔里木盆地石炭系层序地层学及岩相古地理研究[J].石油地球物理勘探,1995,30(4):533-545.]
[9]Wang Yi.Sedimentary facies evolution of during the late De-vonian to Carboniferous in Tarim basin[J].Journal of the U-niversity of Petroleum:Edition of Natural Science,1998,22(6):14-20.[王毅.塔里木盆地晚泥盆世与石炭纪沉积演化[J].石油大学学报:自然科学版,1998,22(6):14-20.]
[10]Wu Qilin,Fu Heng,Huang Haiping,et al.Sedimentary evolu-tion of the lower Carboniferous Bachu Formation in the TarimRiver area[J].Xinjiang,Sedimentary Geology and TethyanGeology,2008,28(3):79-83.[吴其林,傅恒,黄海平,等.塔里木盆地塔河地区下石炭统巴楚组沉积演化[J].沉积与特提斯地质,2008,28(3):79-83.]
[11]Reineik H E.Terrigenous Clastic Sedimentary Environment[M].Beijing:Petroleum Industry Press,1985.[赖内克H E.陆源碎屑沉积环境[M].北京:石油工业出版社,1985.]
[12]Guan Honglin,Jiang Xiaoqiong,Guo Jianhua.Sequence strati-graphic analysis of Carboniferous in west Man-jiaer[J].Petro-leum Geology&Oilfield Development in Daqing,2004,23(2):8-11.[管宏林,蒋小琼,郭建华.满西地区石炭系层序地层分析[J].大庆石油地质与开发,2004,23(2):8-11.]
[13]Chen Guojun,Wang Zhiyong,Xue Lianhua,et al.Sedimentarysequence and the sea level chaning of Carboniferous in Tarimbasin[J].Xinjiang Geology,2000,18(2):141-147.[陈国俊,王志勇,薛莲花,等.塔里木地区石炭纪沉积序列与海平面变化[J].新疆地质,2000,18(2):141-147.]
[14]Ding Xiaozhong,Liu Xun,Fu Derong,et al.Sequence stratig-raphy and sea-level changes of Carboniferous in the north-western margin of Tarim plate,NW China[J].Regional Geol-ogy of China,2000,19(1):58-65.[丁孝忠,刘训,傅德荣,等.塔里木板块西北缘石炭纪层序地层及海平面变化探讨[J].中国区域地质,2000,19(1):58-65.]
[15]Jiang Xiaoqiong,Guo Jianhua,Guang Honglin,et al.Analysison sequence stratigraphy and depositional systems of the Car-boniferous in west Man-jiaer region[J].Petroleum Geology&Experiment,2004,26(4):333-337.[蒋小琼,郭建华,管宏林,等.塔里木盆地满西地区石炭系层序地层与沉积体系分析[J].石油实验地质,2004,26(4):333-337.]
[16]Zhu Meiheng,Guo Jianhua,Shi Yuanyuan,et al.Carbonifer-ous sequence stratigraphic correlation of Tahe and adjacentareas,Tarim basin[J].Petroleum Exploration and Develop-ment,2005,32(3):23-26.[朱美衡,郭建华,石媛媛,等.塔河地区石炭系层序地层及与邻区的对比[J].石油勘探与开发,2005,32(3):23-26.]
[17]Pu Renhai,Che Zicheng,Li Wei.Carboniferous-Permian sedi-mentology and sequence stratigraphy in the southeast part ofthe Tarim basin[J].Geological Review,1996,42(6):499-507.[蒲仁海,车自成,李伟.塔里木盆地东南部石炭系、二叠系沉积与层序特征[J].地质论评,1996,42(6):499-507.]
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