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古地理学报 ›› 2016, Vol. 18 ›› Issue (6): 951-960. doi: 10.7605/gdlxb.2016.06.072

• 岩相古地理学及沉积学 • 上一篇    下一篇

准噶尔盆地石南地区中侏罗统头屯河组沉积特征及演化*

邹妞妞1, 2, 3, 张大权4, 史基安2, 蒋欢5, 鲁新川2, 张顺存2   

  1. 1 贵州大学资源与环境工程学院,贵州贵阳 550025;
    2 甘肃省油气资源研究重点实验室/中国科学院油气资源研究重点实验室,甘肃兰州 730000;
    3 中国科学院大学,北京 100049;
    4 贵州省地质环境监测院,贵州贵阳 550004;
    5 中国石油新疆油田公司实验检测研究院,新疆克拉玛依 834000
  • 收稿日期:2015-05-19 出版日期:2016-12-01 发布日期:2016-12-01
  • 通讯作者: 史基安,男,1958年生,中国科学院地质与地球物理研究所兰州油气资源研究中心研究员、博士生导师,主要从事沉积学和石油地质学研究。E-mail: jashi@lzb.ac.cn。
  • 作者简介:邹妞妞,女,1989年生,博士,贵州大学资源与环境工程学院讲师,主要从事沉积学和石油地质学研究。E-mail: niuniu9728@126.com。
  • 基金资助:
    *国家重点基础研究发展规划“973”项目(编号:2011CB201104)、国家科技重大专项(编号:2011ZX05000-01-06)和甘肃省重点实验室专项(编号:1309RTSA041)联合资助

Sedimentary characteristics and evolution of the Middle Jurassic Toutunhe Formation in Shinan area of Junggar Basin

Zou Niuniu1, 2, 3, Zhang Daquan4, Shi Ji'an2, Jiang Huan5, Lu Xinchuan2, Zhang Shuncun2   

  1. 1 College of Resources and Environmental Engineering, Guizhou University, Guiyang 550025, Guizhou;
    2 Key Laboratory of Petroleum Resources,Gansu Province/Key Laboratory of Petroleum Research,Institute of Geology and Geophysics, Chinese Academy of Sciences, Lanzhou 730000,Gansu;
    3 University of Chinese Academy of Sciences,Beijing 100049;
    4 Geological Environmental Monitoring Institute in Guizhou Province,Guiyang 550004,Guizhou;
    5 Xinjiang Oilfield Company Research Institute of Experiment and Detection,Karamay 834000,Xinjiang
  • Received:2015-05-19 Online:2016-12-01 Published:2016-12-01
  • Contact: Shi Ji??an, born in 1958,is a professor of the Lanzhou Center for Oil and Gas Resources,Institute of Geology and Geophysics,CAS. He is mainly engaged in sedimentology and petroleum geology. E-mail: jashi@lzb.ac.cn.
  • About author:Zou Niuniu,born in 1989,doctor,is a lecturer of College of Resources and Environmental Engineering, Guizhou University. She is engaged in sedimentology and petroleum geology. E-mail: niuniu9728@126.com.
  • Supported by:
    [Co-funded by National Program on Key Basic Research Project(973 Program)(No.2011CB201104), National Science and Technology Major Project (No.2011ZX05000-01-06) and Key Laboratory Program of Gansu Province(No.1309RTSA041)]

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摘要： 目前,对准噶尔盆地石南地区中侏罗统头屯河组沉积相的认识存在较大分歧和争议。通过岩心观察和精细描述、薄片鉴定和测井曲线分析等方法,对石南地区头屯河组岩石类型、沉积构造和沉积序列等特征进行详细研究,同时结合区域沉积构造背景,认为石南地区头屯河组沉积环境属辫状河三角洲。头屯河组一段沉积时期,研究区发育辫状河三角洲前缘沉积,辫状河三角洲前缘水下分流河道砂体呈条带状展布;头屯河组二段沉积时期以辫状河三角洲前缘沉积为主,由于湖平面的下降,辫状河三角洲进积,靠近物源方向发育辫状河三角洲平原,辫状河三角洲前缘河道砂体叠置连片分布;头屯河组三段沉积时期湖平面快速上升,全区基本演化为滨浅湖相沉积。

关键词: 头屯河组, 石南地区, 辫状河三角洲, 沉积相, 准噶尔盆地

Abstract: There are different viewpoints about the sedimentary facies of the Middle Jurassic Toutunhe Formation in Shinan area of Junggar Basin by far. Based on detailed core observations,thin sections and logging analysis,through study on sedimentary characteristics of lithologic types,sedimentary structures and sedimentary sequence was carried out. Combining with regional sedimentary background and tectonic setting,we considered that the sedimentary environment of the Toutunhe Formation in Shinan area is braided delta. Braided delta front sediments were deposited during the depositional period of Member 1 of Toutunhe Formation,the ribboned sandbody of subaqueous distributary channel widely developed. During the depositional period of Member 2 of Toutunhe Formation,braided delta system progradated,braided delta plain appeared at areas close to provenance and sandbodies of braided delta plain were overlapping and widely distributed. During the depositional period of Member 3 of Toutunhe Formation, the lake level rised rapidly,and shallow lake facies were mainly developed in the study area.

Key words: Toutunhe Formation, Shinan area, braided delta, sedimentary facies, Junggar Basin

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