中文摘要：

古代蒙古帝国旧都遗迹差错地区(KFZ ) 在理解西藏的高原的形成，发展和变丑起一个重要作用。砍的 high-rdextral 变形岩石，例如，糜棱岩或 mylonitized 片麻岩花岗石，局部地在 Ayila Ri'gyu 范围区域沿着 KFZ 的东南的部分外面收割。syn-kinematiccrystallized 锆石标明日期的虾 U-Pb 显示 KFZ 的起始的年龄是 approx27 妈，比以前的结果老的 approx10 妈。沿着 KFZ 的右砍至少在 27-20Ma 开始了的广泛的 high-7，由 leuco 花岗石的 syn 运动学的炮兵阵地伴随了。变丑和伴随物液体循环象在 25-13 妈一样早在很可能砍期间发生了。KFZ 可能由于在印度板和欧亚大陆板之间的连续集中沿着差错从东南成长了到西北。

英文摘要：

The Karakorum Fault zone （KFZ） plays an important role in understanding the formation, evolvement and deformation of the Tibetan Plateau. The high-Tdextral shearing metamorphic rocks, e.g., mylonites or mylonitized gneisses-granites, locally crop out along the southeastern part of the KFZ in the Ayila Ri＇gyiJ Range area. The SHRIMP U-Pb dating of the syn-kinemaUc crystallized zircons indicates that the initial age of the KFZ is -27 Ma, -10 Ma older than previous results. The extensive high-T dextral shearing along the KFZ started at least at 27-20 Ma, accompanied by the syn-kinematic emplacement of leuco-granites. Deformation and concomitant fluid circulation during shearing most likely occurred as early as at 25-13 Ma. The KFZ probably grew from southeast to northwest along the fault as a result of continuous convergence between the India plate and Eurasia plate.