THE MAIN TYPE SILVER DEPOSITS IN THE WORLD ARE UNDER THE CONTROL OF GEOTECTONIC ENVIRONMENTS

Different type of silver deposits is under the control of different geotectonic environments. The epithermal silver deposit and the Kuruko silver deposit are distributed over volcanic arcs and island arcs. The epithermal silverq deposit, the mesothermal silver deposit in middle depth, the porphyry silver deposit and the skarn silver deposit exist in the horst of rifts. The five element deposit, the massive sulfide silver deposit in the alkaline volcanic rocks, the massive sulfide silver deposit in the sedimentary rocks and the sandstone copper and silver deposit are located in the graben of rifts.