Analysis on Geophysical Anomaly for Prospecting Potentiality --A Silver Polymetallic Mine in Chengde

The study area is a silver poly-metallic mine in Chengde, mainly related to volcanic activity which are continental facies in the Mesozoic Early Cretaceous Dabeigou period, so it is favorable mineralization areas near volcanic pipes, in favorable structural parts and lithology physical altered parts. Meanwhile studies have shown that: resistivity and polarization anomalies are considered as important geophysical prospecting indirect signs. Therefore, in this paper combined with the geological conditions and materials, the geophysical characteristics of the mine are studied and analyzed comprehensively. As a result, the regions (IP1-IP6) forecasted preliminarily are the target areas, of which the southern section of IP1 is favorable abnormal region looking for gold mine, and the abnormalities of IP6 may have close relationship with the silver, lead and zinc orebody.