This article analyzes and summarizes the current state of production and enrichment of rare earth resources in Russia, and provides prospects for the mining industry. The necessity of finding new deposits and intensify mining rare earth materials is formulated. Provides information about the production of rare earth metals in the world, analyzed data on volumes of processing and marketing of the resource. The main problems arising in this area are identified.
Article is devoted to a choice of rational technology of mining of part of stocks interchamber pillars at floor-and-chamber system of development of the Korobkovsky deposit of KMA. Authors carried out calculations and comparison of technical and economic parameters of two offered technologies of mining: horizontal layers with a stowing in an ascending order with application of a portable equipment and horizontal layers with a stowing in an ascending order with a driving of autobiases in interpanel pillars. For a choice of method of development for mining of part of interchamber pillar and determination of its parameters and indicators.
Article is in touch with mining industry and devoted to the analysis and generalization of world experience of underground mining of kimberlitic tubes underquarry reserves. In it the urgency of research of new technologies of underground mining of kimberlitic tubes underquarry reserves in the conditions of the deposits, developed by «ALROSA». The mining technology of kimberlitic tubes water-bearing underquarry reserves excavation is described.
Article is in touch with mining industry and devoted to the analysis and generalisation of world experience of underground mining of kimberlitic tubes underquarry reserves. In it the urgency of research of new technologies of underground mining of kimberlitic tubes underquarry reserves in the conditions of the deposits, developed by «ALROSA» stock company is formulated and basic problems arising in this area are defined. The mining technology of kimberlitic tubes water-bearing underquarry reserves excavation is described.
Article is in touch with analysis of backfill materials applied on diamond mines, description of research of its mechanical properties to create the optimal compound in conditions of Yakutian kimberlitic tubes.
