The Later Hercynian granitoids, which are similar to S-type, cordierite bearing-peraluminous granitoids (CPG) or K-rich calc-alkaline granitods (KCG), revealed a post-collision geodynamic environment.

• 海西晚期花岗岩属富碱低钙钙碱性岩石，具S型花岗岩或CPG，KCG花岗岩特征，形成于碰撞后构造环境。