Monograph involves set of basic knowledge on participation of specific species acidophilus, autochthonous microorganisms in environmental processes, from the element cycle through weathering processes till generation of authigene, secondary minerals. Separate chapters are addicted to transfer of environmental biological-chemical processes into industrial processing technologies of sulphide ores and their influence at environment. Monograph is assigned to specialists from mining, treatment, ecology area and for students in listed specializations.