• 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
LIU Yin, LI Rong-she, JI Wen-hua, PAN Shu-juan, SHI Chao, CHEN Fen-ning, CHEN Shou-jian, ZHAO Zhen-ming. 2010: The define and geological significance of Permian-Triassic magmatic arc at Dangjiangrong, south of Duocai ophiolite mélange zone in the Zhiduo area, Qinhai,China. Geological Bulletin of China, 29(12): 1840-1850. DOI: 10.12097/gbc.20101212
Citation: LIU Yin, LI Rong-she, JI Wen-hua, PAN Shu-juan, SHI Chao, CHEN Fen-ning, CHEN Shou-jian, ZHAO Zhen-ming. 2010: The define and geological significance of Permian-Triassic magmatic arc at Dangjiangrong, south of Duocai ophiolite mélange zone in the Zhiduo area, Qinhai,China. Geological Bulletin of China, 29(12): 1840-1850. DOI: 10.12097/gbc.20101212
shu

The define and geological significance of Permian-Triassic magmatic arc at Dangjiangrong, south of Duocai ophiolite mélange zone in the Zhiduo area, Qinhai,China

  • School of Earth Sciences and Resources,China University of Geosciences, Beijing 100083, China;2. Xi′an Institute of Geology and Mineral Resources, China Geological Survey,Xi′an 710054, Shaanxi, China

More Information
    Graphical Abstract
    • Abstract
  • Duocai ophiolite mélange zone, a part of the Xijir Ulan lake-Jinsha river ophiolite zone, located in the binding site of jinsha suture zone and ganzi suture belt of the northern Tibet Plateau. Through the detailed field investigation of the S-N directional cross section of Dangjiangrong volcanic rocks zone , located in the south of the Duocai ophiolite meglange zone, we found that the pre-existed main rock assemblage was andesite，rhyolite porphyry，rhyolitic tuff and andesitic tuffaceous lava. The results from XRF analysis and ICP-MS analysis on systemic sampling show that the Dangjiangrong volcanic rocks are rich in SiO2 (56.92%~75.71%) and Na2O(Na2O>K2O), poor in TiO2 (0.15%~0.77%), belonging to calc-alkaline type rocks. The chondrite-normalized REE-patterns are characterized by LREE enrichment with variable degree of negative Eu anomalous values(δEu=0.58~0.89) and the primary mantle-normalized trace elements-parterns by HFSE depleted as well as P element. It is proved that the volcanic rocks were formed in an island-arc environment by the evidence of petrochemistry and geochemistry of trace and rare element , which provides the corroborating evidences to the further define of subduction polarity and tectonic setting of Duocai ophiolite mélange zone.
    • FullText(HTML)
    • References (0)
    • Related Articles

  • Related Articles

    LIN Musen, WU Lingxiao, WANG Cuizhi. 2019: Zircon U-Pb age of the felsite porphyry veins in western Fuzhou basin of Fujian Province and its geological significance. Geological Bulletin of China, 38(10): 1726-1732. DOI: 10.12097/gbc.dztb-38-10-1726
    FU Junyu, YANG Xiaopin, YANG Fan, WANG Yan, NA Fuchao, ZHONG Hui, YU Hongbin, SUN Wei, SONG Weimin. 2018: U-Pb age study of detrital zircon of Kedao Group in Kaishantun area, Yanji, Jilin, and its geological significance. Geological Bulletin of China, 37(6): 1037-1049. DOI: 10.12097/gbc.dztb-37-6-1037
    GOU Xueming, QUAN Jianping, LIU Zhiguo, FENG Wei, SONG Xiansheng, CHEN Yunjie. 2017: Characteristics of fluid inclusions and their geological significance: A case study of the Jiling uranium deposit in Gansu Province. Geological Bulletin of China, 36(4): 534-540. DOI: 10.12097/gbc.dztb-36-4-534
    MA Zhonghao, CHEN Qingshi, SHI Zhongwang, WANG Cheng, DU Wugang, ZHAO Changying. 2016: Geochemistry of oil shale from Chang 7 reservoir of Yanchang Formation in south Ordos Basin and its geological significance. Geological Bulletin of China, 35(9): 1550-1558. DOI: 10.12097/gbc.dztb-35-9-1550
    DONG Guo-chen, LI Jing-chao, WEN Hui, FENG Ji-zhou, WANG Ji-shun, ZHANG Xiong. 2014: The distribution of natural heavy minerals in China and its significance. Geological Bulletin of China, 33(12): 1861-1868. DOI: 10.12097/gbc.20141201
    WANG Yan, FU Jun-yu, NA Fu-chao, LIU Ying-cai, ZHANG Guang-yu, KANG Zhuang, YANG Fan. 2013: Geochemical characteristics and zircon U-Pb age of the gabbro-diorite in Jalaid Banner of Inner Mongolia and their geological significance. Geological Bulletin of China, 32(10): 1525-1535. DOI: 10.12097/gbc.20131006
    ZHANG Chun-guan, YANG Gao-yin, YAN Yun-kui, YUAN Bing-qiang, XU Hai-hong. 2012: Features of aeromagnetic anomalies in Yingen-Ejin Banner basin and their geological significance. Geological Bulletin of China, 31(10): 1724-1730. DOI: 10.12097/gbc.20121017
    DAI Chuan-gu, CHEN Jian-shu, LU Ding-biao, MA Hui-zhen, WANG Xue-hua. 2010: Appearance and geologic significance of Caledonian Movement in southeastern Guizhou, China and its adjacent area. Geological Bulletin of China, 29(4): 530-534. DOI: 10.12097/gbc.20100406
    CHE Qinjian, PENG Heqiu, LI Jindong, JIA Baohua, WU Guangying, CHEN Bihe. 2005: Origin of the Yiyang paleovolcanic suite in northern Hunan, China, and its geological significance.. Geological Bulletin of China, 24(6): 513-519. DOI: 10.12097/gbc.200506103
    WEI Xi, DENG Jinfu, WANG Renhou, WANG Yunzhe, SONG Bairong, CUI Xiangdong, LI Xuewan, ZHAO Guochun. 2005: Determination of the Paleozoic in buried hills of the Liaohe fault depression and its geological significance. Geological Bulletin of China, 24(3): 264-271. DOI: 10.12097/gbc.20050350

Catalog

    Get Citation
    PDF
    XML
    Article views (2645) PDF downloads (1205) 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