Abstract: | The accompanying silver in Pb-Zn deposit at Haiyangshan-Laochang is high in quantity, but the silver-bearing minerals are fine in size. Based upon field sampling,test and observation with microscope, the paper describes the occurrence status and features of main silver-bearing minerals such as pyrargirite, silver-stibium tetrahedrite, etc. new found in Pb-Zn deposit, and provides scientific proof for comprehensive recovery of silver from Pb-Zn ores in the area. |