These age data are consistent with those (Zircon U-Pb ages, 180 -200Ma) of the leucocratic granites from the Mining Altai and Mountainous Altai of the former Soviet Union, which are located in the same tectonic unit as the studied region.

• 以上数据和与本区处在同一构造单元的前苏联矿区阿尔泰及山区阿尔泰12个浅色花岗岩结石U－Pb年龄180－200Ma的结果一致；