Paoma Pb-Zn deposit is stratobound in a cataclastic zone of Lower Cambrian Maidiping dolomite.There are two ore horizons.

• 跑马铅锌矿为产于下寒武统麦地坪白云岩中的层控矿床,主要受层间破碎带控制,有两个含矿层,多呈层状产出。