St. Petersburg students found a gold mine in Karelia
Students of St. Petersburg State University, during educational geological and geochemical practice in the Northern Ladoga region (Karelia), found a previously unknown quartz vein, the press service of the university reports. The vein contains sulfide minerals: pyrite, pyrrhotite, chalcopyrite, sphalerite, bornite, chalcocite and marcasite. In addition, chemical analysis carried out at the Department of Geology of Mineral Deposits of St.