• 中文核心期刊
  • 中国科技核心期刊
  • 中国科学引文数据库核心期刊
Quick Search Issue Search Advanced Search
LI Jian-feng, XIA Bin, LIU Li-wen, XU Li-feng, HE Guan-sheng, WANG Hong, ZHANG Yu-quan, YANG Zhi-qing. 2008: SHRIMP U-Pb zircon dating of diabase in the La’nga Co ophiolite, Burang, Tibet, and its geological significance. Geological Bulletin of China, 27(10): 1739-1743. DOI: 10.12097/gbc.20081016
Citation: LI Jian-feng, XIA Bin, LIU Li-wen, XU Li-feng, HE Guan-sheng, WANG Hong, ZHANG Yu-quan, YANG Zhi-qing. 2008: SHRIMP U-Pb zircon dating of diabase in the La’nga Co ophiolite, Burang, Tibet, and its geological significance. Geological Bulletin of China, 27(10): 1739-1743. DOI: 10.12097/gbc.20081016
shu

SHRIMP U-Pb zircon dating of diabase in the La’nga Co ophiolite, Burang, Tibet, and its geological significance

  • Petroleum and Resource Research Centre, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, 2 Graduate School, Chinese Academy of Sciences, 3 719 Geological Party, Guangdong Bureau of Geology and Mineral Exploration and Developmen, 4 Geological Party No. 261, Jiangxi Nuclear Industry, 5 Beijing SHRIMP Centre

More Information
    Graphical Abstract
    • Abstract
  • Diabase dikes in ophiolites is the product of the middle ocean ridge spreading, and their age corresponds to the time of the spreading even and also represents the formation age of ophiolites. Zircon SHRIMP U-Pb dating of the diabase dikes in the La’nga ophiolite in the western segment of the Yarlung Zangbo suture zone yielded a 206Pb/238U weighted mean age of 120.2±2.3 Ma（2σ，MSWD=0.71）, which represents the crystallization age of the diabase. Based on the above, combined with the previous reports of the ophiolite ages in the Yarlung Zangbo suture zone (122.3±2.4 Ma for the Xiugugabu ophiolite in the western part, 126.0±1.5 Ma for the Dazhuka ophioilte and 123.0±1.8 Ma for the Jiding ophiolite in the central part and 162.9±2.8 Ma for the Luobusha ophiolite in the eastern part), this age suggests that: the sea-floor spreading age of the Tethys ocean in the La’nga area is consistent with that of the Xiugugabu oceanic basin in the western part; the oceanic basins in the western part and central part of the Yarlung Zangbo suture zone originated synchronously and later than that in the eastern part. From the geochronology data, the authors deduce that the eastern part of the Tethys ocean basin opened earlier than its western part.
    • FullText(HTML)
    • References (0)
    • Related Articles

  • Related Articles

    MA Fucai, LI Peng, YANG Wen, LIU Xianchuan. 2018: The discovery of Middle Permian strata in Chunzhe area Xietongmen, Tibet. Geological Bulletin of China, 37(7): 1197-1201. DOI: 10.12097/gbc.dztb-37-7-1197
    XING Li-da, Jerald D.Harris, Philip J. Currie. 2011: 中国西藏恐龙足迹的首次记录. Geological Bulletin of China, 30(1): 173-178. DOI: 10.12097/gbc.20110119
    DAI Jing-jing, QU Xiao-ming, XIN Hong-bo. 2010: Extraction of alteration mineral information using ASTER remote sensing data in Duolong area, Tibet, China.. Geological Bulletin of China, 29(5): 752-759. DOI: 10.12097/gbc.20100516
    WANG Hui, ZHAO Bing. 2010: Features and formation time of Mangxiang Formation in Duosang graben of Ngangla Ringco area, western Tibet, China. Geological Bulletin of China, 29(4): 544-548. DOI: 10.12097/gbc.20100408
    ZHAO Bing, ZHAO Yu-feng. 2007: Characteristics and spatial variation of the Lower Cretaceous lithostratigraphy in the Ngangla Ringco area, western Tibet, China. Geological Bulletin of China, 26(4): 433-440. DOI: 10.12097/gbc.20070470
    LIAO Zhong-li, MO Xuan-xue, PAN Gui-tang, ZHU Di-cheng, WANG Li-quan, ZHAO Zhi-dan, JIANG Xin-sheng. 2006: On peraluminous granites in Tibet, China.. Geological Bulletin of China, 25(7): 812-821. DOI: 10.12097/gbc.200607147
    ZHAO Bing, LIU Deng-zhon, TAO Xiao-fen, MA Run-ze, HU Xin-wei. 2006: Stratigraphy and sedimentary environment of the Laka Formation in the Ngangla Ringco-Taro Co area, Zhongba County, Tibet, China.. Geological Bulletin of China, 25(7): 800-805. DOI: 10.12097/gbc.200607145
    2005: Analysis of Quaternary gravels in the Zhanda basin, Ngari area, Tibet, China.. Geological Bulletin of China, 24(7): 630-636. DOI: 10.12097/gbc.200507127
    ZHAI Qingguo, LI Cai, CHENG Liren, ZHANG Yichun. 2004: Geological features of Permian ophiolite in the Jiaomuri area,Qiangtang, Tibet, and its tectonic significance. Geological Bulletin of China, 23(12): 1228-1230. DOI: 10.12097/gbc.2004012221
    ZHU Dagang, Zhao Xitao, MENG Xiangang, et al.. 2002: Division of Quaternary lacustrine strata in the Nam Co area and establishment of the Nam Co Group in Tibet. Geological Bulletin of China, 21(11): 708-716. DOI: 10.12097/gbc.2002011161

Catalog

    Get Citation
    PDF
    XML
    Article views (3342) PDF downloads (1668) Cited by()
    Turn off MathJax
    Article Contents
    Abstract
    Related Articles

    Copyright © 2023 ditorial Department of Geological Bulletin of China

    Address：45 Fuwai Street, Xicheng District, Beijing China Geological Survey Development Research Center  Postal Code：100037

    Tel：010-58584206；010-58584208；010-58584208  Email：dzhtb@263.net

    Supported by: Beijing Renhe Information Technology Co., Ltd.  Baidu Analytics

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return