吉林大学学报(地球科学版) ›› 2019, Vol. 49 ›› Issue (1): 53-64.doi: 10.13278/j.cnki.jjuese.20180105

• 大陆架科学钻探 • 上一篇    

南黄海盆地中部隆起CSDP-2井志留系-石炭系岩石学特征及其沉积相

高小惠1,2,3, 张训华3,4, 蔡来星2,3, 郭兴伟2,3, 李文强2,3   

  1. 1. 中国海洋大学海洋地球科学学院, 山东 青岛 266100;
    2. 中国地质调查局青岛海洋地质研究所, 山东 青岛 266071;
    3. 青岛海洋科学与技术试点国家实验室海洋矿产资源评价与探测技术功能实验室, 山东 青岛 266071;
    4. 中国地质调查局南京地质调查中心, 南京 210016
  • 收稿日期:2018-05-14 发布日期:2019-01-18
  • 通讯作者: 蔡来星(1985-),男,在站博士后,主要从事油气地质学方面的研究,E-mail:qingxin717717@126.com E-mail:qingxin717717@126.com
  • 作者简介:高小惠(1984-),女,博士研究生,主要从事海洋地质学方面的研究,E-mail:xueqian_2007@163.com
  • 基金资助:
    国家自然科学基金项目（41776081，41210005）；国家海洋地质专项（DD20160147）；青岛海洋科学与技术试点国家实验室鳌山科技创新计划项目（2015ASKJ03）

Silurian-Carboniferous Petrographic Features and Depositional Facies in the Well CSDP-2 in the Central Uplift of the South Yellow Sea Basin

Gao Xiaohui1,2,3, Zhang Xunhua3,4, Cai Laixing2,3, Guo Xingwei2,3, Li Wenqiang2,3   

  1. 1. College of Marine Geosciences, Ocean University of China, Qingdao 266100, Shandong, China;
    2. Qingdao Institute of Marine Geology, China Geological Survey, Qingdao 266071, Shandong, China;
    3. Laboratory for Marine Mineral Resources, Pilot National Laboratory for Marine Science and Technology(Qingdao), Qingdao 266071, Shandong, China;
    4. Nanjing Center, China Geological Survey, Nanjing 210016, China
  • Received:2018-05-14 Published:2019-01-18
  • Supported by:
    Supported by National Natural Science Foundation of China (41776081,41210005),National Marine Geology Special Project of China (DD20160147) and Aoshan Science and Technology Innovation Project of Pilot National Laboratory for Marine Science and Technology (Qingdao)(2015ASKJ03)

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摘要： 目前，大陆架科学钻探CSDP-2井是南黄海盆地中部隆起上的唯一深钻，是揭示南黄海中-古生界海相地层时代，恢复其沉积环境和构造运动的基准井。本文针对该井开展岩心描述并进行薄片观察，结合测井数据、古生物化石等资料，将志留系-石炭系划分为下志留统高家边组、侯家塘组、坟头组，上泥盆统五通组，下石炭统高骊山组、和州组，上石炭统黄龙组、船山组。其中，志留系沉积了一套浅海陆棚相的细碎屑岩，沉积物以浅海-滨海相砂泥岩为主；泥盆系五通组同样为碎屑岩沉积，稳定的石英砂岩和紫红色泥岩并存，下部为潮坪相，上部则为三角洲相；而石炭系发育台坪、泻湖、颗粒滩等碳酸盐岩台地亚相，岩性以生屑灰岩和泥晶灰岩为主。区域地层对比表明，南黄海盆地中-古生界海相地层是下扬子区由陆域向海域的延伸，其志留系-石炭系岩性序列与下扬子陆域基本一致。

关键词: 大陆架科学钻探, 南黄海盆地, 志留系-石炭系, 岩石学, 沉积环境

Abstract: The Well CSDP-2 of continental shelf drilling program is the only deep well in the central uplift of South Yellow Sea at present, so it has reference value for revealing the Mesozoic-Paleozoic marine stratigraphic epoch and restoring the depositional environment and tectonic movement. Based on the core description and thin-section examination of the rocks,combined with logs and fossils,the Silurian-Carboniferous strata are divided into Lower Silurian Gaojiabian,Houjiatang-and Fentou Forma-tions;Upper Devonian Wutong Formation;Lower Carboniferous Gaolishan-and Hezhou Formations;Upper Carboniferous Huanglong and Chuanshan Formations. Among them,a set of shallow-sea shelf facies with fine clastic rocks were deposited in Silurian. The Devonian Wutong is characterized by the coexistence of stable quartz sandstone and purple red mudstone,with lower tidal flat facies and upper delta facies. Carboniferous is dominated by bioclastic limestone and muddy limestone,mainly developed in platform,lagoon and grain-beach subfacies of carbonate platform. The regional stratigraphic correlation shows that the lithologic sequence of Silurian-Carboniferous is basically consistent with that of the Lower Yangtze land area,indicating that the Mesozoic-Paleozoic marine strata in the South Yellow Sea basin were the extension of the Lower Yangtze platform from land to sea.

Key words: continental shelf drilling program, South Yellow Sea basin, Silurian-Carboniferous, petrology, depositional environment

中图分类号: 

  • P736.2
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