The P T conditions of the late stage are T =0℃～80℃, P =0 ～0 7GPa, belonging to epidote amphibolite facies of medium pressure type.
The P T conditions of the late stage are T =0℃～80℃, P =0 ～0 7GPa, belonging to epidote amphibolite facies of medium pressure type.
晚期阶段变质条件为：T＝0℃～80℃，P＝0．～0．7GPa，为中压绿帘角闪岩相。