石玉若, 刘敦一, 张旗, 简平, 张福勤, 苗来成, 张履桥. 内蒙古中部苏尼特左旗地区三叠纪A型花岗岩锆石SHRIMP U-Pb年龄及其区域构造意义[J]. 地质通报, 2007, 26(2): 183-189.
    引用本文: 石玉若, 刘敦一, 张旗, 简平, 张福勤, 苗来成, 张履桥. 内蒙古中部苏尼特左旗地区三叠纪A型花岗岩锆石SHRIMP U-Pb年龄及其区域构造意义[J]. 地质通报, 2007, 26(2): 183-189.
    SHRIMP U-Pb zircon dating of Triassic A-type granites in Sonid Zuoqi, central Inner Mongolia, China, and its tectonic implications[J]. Geological Bulletin of China, 2007, 26(2): 183-189.
    Citation: SHRIMP U-Pb zircon dating of Triassic A-type granites in Sonid Zuoqi, central Inner Mongolia, China, and its tectonic implications[J]. Geological Bulletin of China, 2007, 26(2): 183-189.

    内蒙古中部苏尼特左旗地区三叠纪A型花岗岩锆石SHRIMP U-Pb年龄及其区域构造意义

    SHRIMP U-Pb zircon dating of Triassic A-type granites in Sonid Zuoqi, central Inner Mongolia, China, and its tectonic implications

    • 摘要: 内蒙古苏尼特左旗地区A型花岗岩位于索伦山-贺根山构造带内.高精度锆石SHRIMP U-Pb测年结果显示该花岗岩的侵位年龄为222 Ma±4 Ma.其成因可能与中亚造山带碰撞造山后的岩石圈伸展作用有关.

       

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