E. I. Dunai, Chief Geologist, Honored Geologist of the Russian Federation, e-mail: belgeol@mail.ru; V. N. Ponomarev, Chief of Geologic Party on the ore minerals, e-mail: belgeol@mail.ru; V. Sh. Alitdinov, Leading Geologist of Geologic Party on the ore minerals, e-mail: belgeol@mail.ru, "Belgorodgeologiya" Company; A. V. Esaulkov, Chief Geologist, e-mail: Esaulkov_AV@sgok.ru, "Stoilenskiy Mining and Concentrating Plant" Company.

Dynamics of development of working exploration at Stoilenskoe iron ore deposit has been presented. Realization of this program allow to greatly increase the resources of quality ores and iron quartz rocks, realize theirs technological mapping, estimate influence of mine works widening at ecological situation in deposit region.