As experience in the development of reservoir deposits, the main geological process that prevents the normal conduct of mining operations, is a violation of the stability of the roof and soil of underground workings, which entails complication of operating conditions and safety of miners, and in addition leads to loss and dilution of mined minerals, sharply reduces the possibility of using modern means of mechanization.

The practice of exploratory drilling within the field indicates that the overwhelming number of complications and accidents during well sinking is associated with zones of argillized ignimbrites, genetically related to ore mineralization.