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In accordance with the developed methodology for a comprehensive solution of issues of mineral deposits development in the Russian Arctic zone, a list of criteria has been established that allow evaluating the priority of nuclear power sources in solving problems of power supply to the Russian Arctic regions while developing the deposits and performing a ranking of the various reactor plants. The list is based on information technologies modeling objects, production and processing of raw material and geoecotechnol...

The fractional composition of the chamber product of sulfide flotation was investigated. Grain size of the product varies from 0.2 to 0.05 mm. The characteristic of mineral composition showed that forsterite content is about 53%. The amount of other silicates (pyroxenes and garnets) is more than 20%. Two morphological generations of baddeleyite have been identified, it will be necessary to take into account physical and technological properties of the generations when developing technological solutions for gravita...

The article considers mineralogical and technological features of ferruginous quartzites in the Zaimandrovsky regionпїЅs deposits and tailings from the rough magnetic separation. A technology has been developed for the stadial separation of magnetite concentrate from the initial ore, including the ore preparation, magnetic separation, and also the joint use of fine screening and magnetic gravity separation. The increase in the efficiency of the gravitational cycle for the hematite concentrate production was achiev...