伊通盆地鹿乡断陷始新统双阳组沉积相与沉积演化
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摘要
经岩芯观察,录井、测井资料分析,结合地震反演及粒度分析等方法,编制出伊通地堑鹿乡断陷星27井区始新统双阳组各段的砂岩等厚和地层厚度等单因素图件。采用单因素分析、多因素综合作图法,系统研究了双阳组的沉积特征及沉积演化规律。研究区双阳组主要发育扇三角洲、水下扇和湖泊沉积体系,并可进一步识别出9种亚相、13种微相。其中,双一段以湖泊沉积体系为主;双二段以扇三角洲沉积体系和水下扇沉积体系为主;双三段以湖泊沉积体系为主,水下扇不发育。双阳组沉积时期,构成了一套完整旋回,双一段和双二段下部为进积过程,双二段上部和双三段为退积过程。
Single factor maps including of sand-thickness and strata-thickness in each member of Shuangyang Formation in Well Xing 27 of Luxiang fault depression in Yitong graben are compiled through core observation and logging analysis combined with seismic inversion and grain size analysis.The authors systemically studied the sedimentary characteristics and evolutionary regulation of Shuangyang Formation with single factor analysis and multivariate integrated mapping.In the Shuangyang Formation,mainly developed the fan delta,subaqueous fan and lacustrine sedimentary systems,and 9 subfacies with 13 micro-facies can be recognized.The Member 1 of Shuangyang Formation is dominant by lacustrine sedimentary system;the Member 2 of Shuangyang Formation is dominant by fan delta and subaqueous fan sedimentary system;the Member 3 is dominant by lacustrine sedimentary system,with no development in subaqueous fan.A set of complete sedimentary cycle is made up during the deposits of the Shuangyang Formation,and appearing progradation from the Member 1 to the lower part of the Member 2 and retrogradation from the higher part of the Member 2 to the Member 3.
Single factor maps including of sand-thickness and strata-thickness in each member of Shuangyang Formation in Well Xing 27 of Luxiang fault depression in Yitong graben are compiled through core observation and logging analysis combined with seismic inversion and grain size analysis.The authors systemically studied the sedimentary characteristics and evolutionary regulation of Shuangyang Formation with single factor analysis and multivariate integrated mapping.In the Shuangyang Formation,mainly developed the fan delta,subaqueous fan and lacustrine sedimentary systems,and 9 subfacies with 13 micro-facies can be recognized.The Member 1 of Shuangyang Formation is dominant by lacustrine sedimentary system;the Member 2 of Shuangyang Formation is dominant by fan delta and subaqueous fan sedimentary system;the Member 3 is dominant by lacustrine sedimentary system,with no development in subaqueous fan.A set of complete sedimentary cycle is made up during the deposits of the Shuangyang Formation,and appearing progradation from the Member 1 to the lower part of the Member 2 and retrogradation from the higher part of the Member 2 to the Member 3.
引文
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[2]高艳秋.岔路河坳陷下第三系沉积环境分析[J].科技资讯,2007,10:38,39.GAO Yan-qiu.Sedimentary environment of the Paleogene in Chaluhe fault depression[J].Science&Technology Information,2007,10:38,39.
[3]朱建伟,刘招君,魏志平,等.吉林省伊通地堑莫里青断陷水下扇沉积特征[J].古地理学报,2002,4(3):67-73.ZHU Jian-wei,LIU Zhao-jun,WEI Zhi-ping,et al.Sub-aqueous fans sedimentary features of Moliqing fault de-pression in Yitong graben of Jilin Province[J].Journal of Palaeogeography,2002,4(3):67-73.
[4]刘招君.湖泊水下扇沉积特征及影响因素—以伊通盆地莫里青断陷双阳组为例[J].沉积学报,2003,21(1):148-154.LIU Zhao-jun.Lacus subaqueous fan sedimentary charac-teristics and influence factors—a case study of Shuangy-ang Formation in Moliqing fault subsidence of Yitong Ba-sin[J].Acta Sedimentologica Sinica,2003,21(1):148-154.
[5]冯增昭.单因素分析多因素综合作图法—定量岩相古地理重建[J].古地理学报,2004,6(1):3-19.FENG Zeng-zhao.Single factor analysis and multifactor comprehensive mapping method—reconstruction of quan-titative lithofacies palaeogeography[J].Journal of Palaeogeography,2004,6(1):3-19.
[6]孙万军,刘宝柱,李本才.伊通地堑断层系统与构造样式[J].现代地质,2004,18(4):505-510.SUN Wan-jun,LIU Bao-zhu,LI Ben-cai.Fault systems and tectonic style in Yitong graben[J].Geoscience,2004,18(4):505-510.
[7]唐大卿,何生,陈红汉.伊通盆地断裂体系特征及其演化历史[J].吉林大学学报:地球科学版,2009,39(3):386-395.TANG Da-qing,HE Sheng,CHEN Hong-han.Fault system's characteristics of Yitong Basin and its evolution[J].Journal of Jilin University:Earth Science Edition,2009,39(3):386-395.
[8]赵志魁,张金亮,赵占银,等.松辽盆地南部坳陷盆地沉积相和储层研究[M].北京:石油工业出版社,2009:53-87.ZHAO Zhi-kui,ZHANG Jin-liang,ZHAO Zhan-yin,et al.Reservoir sedimentology in southern Songliao Basin[M].Beijing:Petroleum Industry Press,2009:53-87.
[9]王永春.伊通地堑含油气系统与油气成藏[M].北京:石油工业出版社,2001:174-195.WANG Yong-chun.Petroleum system and hydrocarbon accumulation in Yitong graben[M].Beijing:Petroleum Industry Press,2001:174-195.
[10]朱筱敏.沉积岩石学(第四版)[M].北京:石油工业出版社,2008:280-284.ZHU Xiao-min.Sedimentary petrology(Ⅳ)[M].Bei-jing:Petroleum Industry Press,2008:280-284.
[11]Gorsline D S,Emery K O.Turbidity current deposits in San Pedro and Santa Monica basins of southern California[J].Geo Soc America Bull,1959,70:279-290.
[12]Harold H S.Tarzana fan,deep submarine fan of Late E-ocene age,Los Angeles County,California[J].AAPG Bulletin,1960,44:433-457.
[13]Jacka A D.Permian deep-sea fans of the Delaware mountain group(Guadalupian),Delaware Basin[J].Soc Econ Paleonto Mineral Permian,Basin Section Publ,1968,68(11):49-90.
[14]Walker R G.Deep water sandstone facies and ancient submarine fans:models for exploration for stratigraphic traps[J].AAPG Bull,1978,62:932-966.
[15]孙连浦,刘招君,毛天基,等.伊通盆地莫里青断陷双阳组湖泊水下扇沉积特征[J].世界地质,2005,24(2):137-143.SUN Lian-pu,LIU Zhao-jun,MAO Tian-ji,et al.Sedi-mentary features of submarine fan in Shuangyang Forma-tion,Moliqing faulted depression,Yitong Basin[J].Global Geology,2005,24(2):137-143.
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