Patches of porphyries of late Himalayan epoch broadly occur in the whole Gandise massif, showing the intracontinental extension after the collision and orogeny in the region.

• 喜马拉雅晚期的小斑岩体实际上广泛出露于整个冈底斯地块上，它反映的是该区在经历了碰撞造山后发生的陆内伸展的构造过程。