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    CUI Jian-tang, WANG Feng, DUAN Jian-guo, ZHAO Shan-lan, CUI Hai-tao, CUI Hai-man. The Sunjiahe Formation of the Xixiang Group, southern Qinling Ranges: SHRIMP zircon U-Pb age and its tectonic implications[J]. Sedimentary Geology and Tethyan Geology, 2013, 33(4): 1-5.
    Citation: CUI Jian-tang, WANG Feng, DUAN Jian-guo, ZHAO Shan-lan, CUI Hai-tao, CUI Hai-man. The Sunjiahe Formation of the Xixiang Group, southern Qinling Ranges: SHRIMP zircon U-Pb age and its tectonic implications[J]. Sedimentary Geology and Tethyan Geology, 2013, 33(4): 1-5.
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    The Sunjiahe Formation of the Xixiang Group, southern Qinling Ranges: SHRIMP zircon U-Pb age and its tectonic implications

    • 1. Institute of Geological Survey, Shaanxi Geological Bureau of Nuclear Industry, Xi'an 710054, Shaanxi, China;

    • 2. Xi'an Center, China Geological Survey, Xi'an 710065, Shaanxi, China;

    • 3. Research Institute of Regional Geology and Mineral Resources, Xianyang 712000, Shaanxi, China;

    • 4. No.2 Geological Party, Shaanxi Corporation of Exploration and Development of Geology and Mineral Resources, Hanzhong 723000, Shaanxi, China

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    • Received Date: November 11, 2013
    • Published Date: December 29, 2013
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      • Abstract
    • The dacitic lavas from the Sunjiahe Formation in the Xixiang Group, southern Qinling Ranges are examined on the basis of lithochemical, REE and Trace element data, and give a SHRIMP zircon U-Pb age of 814.8±5.2 Ma which represents the late Qingbaikouan. This age provides a new evidence for the approaches to the ages of the transitional besement of the Yangtze block in southern Qinling Ranges, and the convergence timing of the supercontinent Rodinia in the Yangtze block and tectonic evolution of the Qinling orogenic zone.
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