MARGIN: 0cm 0cm 0pt" class=MsoNormal>Daqinglonggou silver polymetallic deposit occurs in the stratum of Meso-Proterozoic Pzler and belongs to the marine volcanic sedimentary rock series within the taphrogenic trough on the southern margin of the north mas-microsoft-com:office:smarttags" />China platform. According to the study of the deposit geological characteristics, the resource of metallogenic material and the metallogenic regularities etc., the deposit of Daqinglonggou is considered to be an infiltration hydrothermal type sliver-gold polymetallic deposit which is controlled by the tectonic fracture and alteration belt and is related to Yanshanian magmatism.