The Xiasai silver-polymetallic deposit lies in the exometamorphic zone of the late Yanshanian granite body in the Yidun island arc orogenic belt in West Sichuan.

• 夏塞银矿位于川西义敦岛弧造山带燕山晚期绒依措花岗岩体外接触带浅变质岩中,是一个超大型的中低温热液脉型银多金属矿床。