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Geochimica. 2009, (06) Core

Geochronology and geochemistry of igneous rocks related to the subduction of the Tethys oceanic plate along the Bangong Lake arc zone,the western Tibetan PlateauChinese Full Text

QU Xiao-ming1,WANG Rui-jiang1,XIN Hong-bo1,ZHAO Yuan-yi1 and FAN Xing-tao2 1.Institute of Mineral Resources,Chinese Academy of Geological Sciences,Beijing 100037,China;2.Analysis Center of Chinese Academy of Geological Sciences,Beijing 100037,China

Abstract: Field geological investigation along Rutog-Shiquanhe and Duobuza-Gêrzêacross the Bangong Lake suture,the western Tibetan plateau suggests that the suture zone contains at least two subduction belts with two generations of arc magmatic rocks in the north side of either Rutog ophiolite or Shiquanhe-Gêrzêophiolite zones.Geochemical analyses indicate that the arc magmatic rocks of the Bangong Lake suture possess common signatures as follows:high enrichment of large lithophile elements,Rb,Th,K and Pb... More
Keywords：

arc magmatic rocks; zircon U-Pb LA-ICPMS dating; Bangong Lake sut ure; Tibetan Plateau;

  • DOI：

    10.19700/j.0379-1726.2009.06.002

  • Series：

    (A) Mathematics/ Physics/ Mechanics/ Astronomy

  • Subject：

    Geology

  • Classification Code：

    P597.3

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