Himalayan intrusion in the mine district emplaced in the lower Triassic Malasongduo formation and the quartz monzonitic porphyre is closely related to the ore.

• 矿区有燕山期和喜山期岩浆岩侵位于下三叠统马拉松多组地层中,喜山期石英二长斑岩与成矿关系密切。产于斑岩体内的矿体呈筒状,产于接触带夕卡岩中的矿体呈似层状。