The article presents the analysis of geological, mining and management factors affecting the development of ore deposits of the Apatit OAO. The mining methods are described. The description is also given of the mining machinery fleet structure, the scheme of mutual agreement of the mining processes and machinery parameters. The author also analyzes the main ways of production modernization for the maintaining of the production capacity of mines: intensive and extensive methods. Sublevel caving mining method and its parameters are described in detail as the prevailing technology used by the mines. The estimates are also provided of drilling and transport machinery application efficiency.