Isotopic dating of strike-slip mylonites, ultramylonite as well as associated igneous rocks in uplift belt indicated that the strike-slip displacement of the fault zone took place in early Cretaceous.

• 断裂带内走滑糜棱岩、超糜棱岩及伴生岩浆岩的同位素测年 ,表明其走滑时间为早白垩世。