The ages of the two types of granite just coincide with the closing fo the Paleo-Tethys of western Yunnan and opening of the Mid-Tethys.

• 资料和数据表明，前者为板内花岗岩，后者属同碰撞花岗岩，两者的产出时代恰好与滇西古特提斯洋闭合、中特提斯洋张开的演化过程相吻合。