The massive sulfide contains fragments of barren and mineralized gabbro, and schist. 塊狀硫化物中含有礦化的和未礦化的輝長巖及片巖碎塊。
Iron ore bodies all occur within the skarn located near the contact zone between the gabbro and the Sinian epi_metamorphic rocks. 鐵礦體的產出嚴格受輝長巖與震旦系淺變質巖接觸帶附近的矽卡巖控制。