吉林大学学报(地球科学版) ›› 2019, Vol. 49 ›› Issue (1): 65-73.doi: 10.13278/j.cnki.jjuese.20180110

• 大陆架科学钻探 • 上一篇    

南黄海CSDP-2井晚泥盆世早期真蕨类Shougangia的形态观察

白姣1,2, 徐洪河1, 郭兴伟3,4, 卢辉楠1   

  1. 1. 中国科学院南京地质古生物研究所生物演化与环境卓越中心/现代古生物学和地层学国家重点实验室, 南京 210008;
    2. 中国地质大学李四光学院, 武汉 430074;
    3. 中国地质调查局青岛海洋地质研究所, 山东 青岛 266071;
    4. 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
  • 收稿日期:2018-05-16 发布日期:2019-01-18
  • 通讯作者: 徐洪河(1979-),男,研究员,博士,主要从事早期陆地生态系统演化以及生物地层学方面的研究,E-mail:hhxu@nigpas.ac.cn E-mail:hhxu@nigpas.ac.cn
  • 作者简介:白姣(1997-),女,主要从事早期陆生植物化石方面的研究,E-mail:731458582@qq.com
  • 基金资助:
    中国科学院战略性先导科技专项(B类)(XDB26000000);国家自然科学基金项目(41772012,41776081);国家海洋地质专项(DD20160147)

Morphological Observations of the Late Devonian Fern-Like Plant Shougangia from the Borehole of the Well CSDP-2 in South Yellow Sea,China

Bai Jiao1,2, Xu Honghe1, Guo Xingwei3,4, Lu Huinan1   

  1. 1. Center for Excellence in Life and Paleoenvironment/State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008, China;
    2. School of Lisiguang, China University of Geosciences, Wuhan 430074, China;
    3. Qingdao Institute of Marine Geology, China Geological Survey, Qingdao 266071, Shandong, China;
    4. Laboratory for Marine Mineral Resources, Pilot National Laboratory for Marine Science and Technology(Qingdao), Qingdao 266071, Shandong, China
  • Received:2018-05-16 Published:2019-01-18
  • Supported by:
    Supported by Strategic Priority Research Program of Chinese Academy of Sciences (XDB26000000),National Natural Science Foundation of China (41772012,41776081) and National Marine Geology Special Project of China (DD20160147)

摘要: 南黄海CSDP-2钻井上泥盆统五通组擂鼓台段2 068.00~2 069.02 m段岩心识别出了早期真蕨类植物。该植物具有至少三次羽状复叶,末二次羽片互生,小羽片扁平,呈扇状、楔状或舌状,基部收缩,至少一次深裂,裂片边缘钝圆,二分叉的叶脉明显。据此,可鉴定为优美守刚蕨(比较种)(Shougangia cf.S.bella)。本研究为南黄海地区上泥盆统五通组增加了古植物学新资料。

关键词: 岩心, 五通组, 泥盆纪, 古植物学, 守刚蕨

Abstract: A fern-like plant is identified at 2 068.00-2 069.02 m in the borehole of the Well CSDP-2 of South Yellow Sea which belongs to the Upper Devonian Leigutai Member of Wutung Formation. The plant consists of at least three-time pinnate compound leaves,the secondary rachises are alternately attached, and the ultimate pinnule is planar and fan or wedged shaped with a contracting basal part. The pinna has at least one deep lobe with blunt margins and has conspicuous bifurcate veins. Accordingly, the plant is classified to Shougangia cf. S. bella. The study adds new palaeobotanical data for the Upper Devonian Wutung Formation in South Yellow Sea.

Key words: borehole core, Wutung Formation, Devonian, palaeobotany, Shougangia

中图分类号: 

  • P52
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