Pollution of mine water at open-pit mines in the Tikhvin mining district

Abstract

In the open-pit method of bauxite mining at the quarries of the Tikhvin Alumina Refinery, as a result of erosion by surface and underground waters of sandy-clay and bauxite rocks that make up the ledges of the sides, working platforms, dumps, as well as the bottom and walls of drainage ditches, there is pollution of mine water.