黑龙江东部盆地群晚中生代层序地层学研究
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摘要
根据露头、岩心、测井、地震、古生物及地化分析资料,建立三江、勃利、鸡西及虎林盆地晚中生代层序地层格架。通过构造事件、海侵事件、火山事件及各种事件引起的古生物变化和沉积旋回性进行盆地间对比及演化特征分析,共识别出2个巨层序、5个超层序、20个层序。从下至上,超层序A至超层序E分别对应挤压阶段、初始断陷阶段、整体沉降阶段、再次引张裂陷及萎缩破坏阶段。其中,城子河组至穆棱组超层序C全区发育,可进一步识别为层序Ⅵ—Ⅷ,其发育遵循从东向西、从南向北逐渐扩展的规律,沉积中心位于勃利盆地中部,因此其层序发育最全,个数最多。在此基础上,分析了构造和海平面变化是影响层序地层发育的主要因素。构造沉降控制巨层序、超层序发育及盆地内残余层序展布,海平面变化控制层序演化过程。
Based on the data analysis of outcrop,core,logging,seismic profile,palaeophyte and geochemistry,the sequence stratigraphic frameworks of Late Mesozoic in Sanjiang,Boli,Jixi and Hulin Basins are established in this paper.The comparison and the analysis of evolution characteristics among the basins are conducted in terms of the palaeontologica change and the sedimentary cycle caused by tectonic movements,ingression events,volcanic events.Two megasequences,five supersequences and twenty sequences are identified.Supersequence A to supersequence E separately correspond to the extruding stage,initial faulted stage,entire subsidence stage,extension faulted stage again and shrinking damage stage from upper to lower.When Chengzihe and Muleng Formation deposited,the supersequence C distributed widely over the area.It can be subdivided into sequence Ⅵ-Ⅻ,developed gradually from east to west and from south to north.Sedimentary centre is located in the middle part of Boli Basin,so the quantity of sequence in it is the most.Tectonic and sea level changes are the main controlling factor of sequence stratigraphic development.The tectonic subsidence controls the megasequence,supersequence development and the distribution of relict sequences within basin.Sea level change dominates the sequence evolution.
Based on the data analysis of outcrop,core,logging,seismic profile,palaeophyte and geochemistry,the sequence stratigraphic frameworks of Late Mesozoic in Sanjiang,Boli,Jixi and Hulin Basins are established in this paper.The comparison and the analysis of evolution characteristics among the basins are conducted in terms of the palaeontologica change and the sedimentary cycle caused by tectonic movements,ingression events,volcanic events.Two megasequences,five supersequences and twenty sequences are identified.Supersequence A to supersequence E separately correspond to the extruding stage,initial faulted stage,entire subsidence stage,extension faulted stage again and shrinking damage stage from upper to lower.When Chengzihe and Muleng Formation deposited,the supersequence C distributed widely over the area.It can be subdivided into sequence Ⅵ-Ⅻ,developed gradually from east to west and from south to north.Sedimentary centre is located in the middle part of Boli Basin,so the quantity of sequence in it is the most.Tectonic and sea level changes are the main controlling factor of sequence stratigraphic development.The tectonic subsidence controls the megasequence,supersequence development and the distribution of relict sequences within basin.Sea level change dominates the sequence evolution.
引文
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[9]和钟铧,刘招君,陈秀艳,等.黑龙江省东部残留盆地群早白垩世沉积相特征及演化[J].古地理学报,2008,10(2):151-158.He Zhonghua,Liu Zhaojun,Chen Xiuyan,et al.Sedimentary faciescharacteristics and their evolution of the Early Cretaceous relict basinsin eastern Heilongjiang Province[J].Journal of Palaeogeography,2008,10(2):151-158.
[10]刘招君,董清水,王嗣敏,等.陆相层序地层学导论与应用[M].北京:石油工业出版社,2002:58-62.Liu Zhaojun,Dong Qingshui,Wang Simin,et al.Introduction tocontinential sequence stratigraphy&application[M].Beijing:Petroleum Industry Press,2002:58-62.
[11]Shanley K W,McCabe P J.Perspectives on the sequence stratigraphyof continental strata[J].AAPG Bulletin,1994(78):544-568.
[12]Van wagoner J C,Posamentier H W.An overview of the fundamentalsof sequence stratigraphy and key definitions//Wilgus C K.Sea-levelchanges:an integrated approach[J].SEPM Special Publication,1988(42):39-45.
[13]胡受权.湖平面变化及物源供给对陆相层序影响机理的计算机模拟[J].断块油气田,2000,7(6):1-4.Hu Shouquan.Computer simulation on influencing mechanism oflacustrine level change and sedimentary source recharge in terrigenoussequence[J].Fault-Block Oil&Gas Field,2000,7(6):1-4.
[2]白元真,刘新功.勃利盆地煤层气资源远景初评[J].科技资讯,2006(3):7.Bai Yuanzhen,Liu Xingong.Vision evaluation of coalbed methane inBoli Basin[J].Science and Technology Information,2006(3):7.
[3]胡志方,马义忠,乔桂林.三江盆地石油地质条件与勘探前景[J].河南石油,2006,20(1):1-6.Hu Zhifang,Ma Yizhong,Qiao Guilin.Petroleum geologic conditionsand exploration prospect of Sanjiang Basin[J].Henan Petroleum,2006,20(1):1-6.
[4]万传彪,闫凤兰,尹楠.黑龙江集贤地区早白垩世沟鞭藻类和其他藻类[J].微体古生物学报,1995,12(1):51-52.Wan Chuanbiao,Yan Fenglan,Yin Nan.Early Cretaceousdinoflagellates and other algae from Jixian,Heilongjiang[J].ActaMicropalaeontologica Sinica,1995,12(1):51-52.
[5]沙金庚.黑龙江东部早白垩世生物地层学研究的主要进展[J].地学前缘,2002,9(3):95-101.Sha Jingeng.Major achievements in studying Early Cretaceousbiostratigraphy of eastern Heilongjiang[J].Earth Science Frontiers,2002,9(3):95-101.
[6]Sha Jingeng,Masaki Matsukawa,Cai Huawei,et al.The UpperJurassic—Lower Cretaceous of eastern Heilongjiang,NE China:stratigraphy and regional basin history[J].Cretaceous Research,2003(24):715-728.
[7]孙革,郑少林,姜剑红,等.黑龙江鸡西含煤盆地早白垩世生物地层研究新进展[J].煤田地质与勘探,1999,27(6):1-3.Sun Ge,Zheng Shaolin,Jiang Jianhong,et al.Recent advance in studyof Early Cretaceous biostratigraphy from Jixi coal-bearing basin,Heilongjiang,China[J].Coal Geology and Exploration,1999,27(6):1-3.
[8]何承全,孙学坤.黑龙江省东部鸡西盆地城子河组下部早白垩世欧特里夫晚期海相沟鞭藻类[J].古生物学报,2000,39(1):46-62.He Chengquan,Sun Xuekun.Late hauterivian dinoflagellates from thelower part of the Chengzihe Formation in Jixi Basin,easternHeilongjiang Province[J].Acta Palaeontologica Sinica,2000,39(1):46-62.
[9]和钟铧,刘招君,陈秀艳,等.黑龙江省东部残留盆地群早白垩世沉积相特征及演化[J].古地理学报,2008,10(2):151-158.He Zhonghua,Liu Zhaojun,Chen Xiuyan,et al.Sedimentary faciescharacteristics and their evolution of the Early Cretaceous relict basinsin eastern Heilongjiang Province[J].Journal of Palaeogeography,2008,10(2):151-158.
[10]刘招君,董清水,王嗣敏,等.陆相层序地层学导论与应用[M].北京:石油工业出版社,2002:58-62.Liu Zhaojun,Dong Qingshui,Wang Simin,et al.Introduction tocontinential sequence stratigraphy&application[M].Beijing:Petroleum Industry Press,2002:58-62.
[11]Shanley K W,McCabe P J.Perspectives on the sequence stratigraphyof continental strata[J].AAPG Bulletin,1994(78):544-568.
[12]Van wagoner J C,Posamentier H W.An overview of the fundamentalsof sequence stratigraphy and key definitions//Wilgus C K.Sea-levelchanges:an integrated approach[J].SEPM Special Publication,1988(42):39-45.
[13]胡受权.湖平面变化及物源供给对陆相层序影响机理的计算机模拟[J].断块油气田,2000,7(6):1-4.Hu Shouquan.Computer simulation on influencing mechanism oflacustrine level change and sedimentary source recharge in terrigenoussequence[J].Fault-Block Oil&Gas Field,2000,7(6):1-4.
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