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The article is dedicated to the problems of further improvement of the Russian means of individual and collective protection and to the ways of their solution. Thus, in order to reduce the weight of the facial parts of advanced indigenous masks of respiratory protective equipment, as well as for the improvement of their appearance, it is necessary to procure from abroad or to master independently the technologies of the production of chlorobutyl rubber and volcanics. It is necessary also to acquire from abroad or to learn how to produce indigenously the special rubber processing equipment. The output of modern materials for the production of flexible facial parts, panoramic glasses and spectacles (masks) for respiratory protective equipment is impossible without the procurement from abroad or mastering independently the technologies of the synthesis of optically transparent polyurethane. The further improvement of catalysts and sorbents used in canisters for filter respirators is impossible without the development of technologies of the production of fine pored catalysts and sorbents on their basis, as well as without the recovery of indigenous base for the production of sorbents and active charcoals. The output of modern filtrating materials depends completely on the development of technologies and the equipment for the production of special laminated board and other technologies of the production of multilayered filtering materials. The development of advanced means of skin protection requires the mastering by the Russian manufacturers of technologies of obtaining of microporous, air-permeable carbonfilled material of high quality and with reinforced physical and mechanical properties. In order to produce the lightweight isolating means of skin protection is it necessary to master technologies of the production of multilayered and armor-clad membranes with high protective and physical and mechanical properties. The problems of the development and the production of the materials for the means of collective protection are the same as for the personal respiratory protective equipment.

The volcanics of the Navysh complex of the Lower Riphean Ai Formation in the Southern Urals are well studied petrochemically and dated by several methods. In 2013 zircons from a trachybasalt porphyrite (sample 2152) gave a concordant SHRIMP date 1752±11 Ma, which was used as a fundamental for the lower boundary of the Riphean with no special arguments against it. The later attempts to repeat this date for the Navysh volcanics were not successful: the collected zircons were either more ancient (> 2500 Ma), or more young (< 500 Ma). From the beginning, the zircons with such ages were regarded as xenogenic or secondary metasomatic, or belonging to paleozoic dykes intruding the Riphean volcanics. However, the clearly expressed mineralogical properties of the Paleozoic zircons and their frequent presence in volcanics, not dykes, led to a conclusion that the zircons and Navysh volcanics, containing them, and exposed within the area of development of the Ai Formation, are polychronous. To support this conclusion, the authors studied in more detail the zircons of the Navysh trachybasalts, developed in the Ai Formation. The main conclusion, obtained from this new data, was that the volcanics attributed to the Navysh complex, form a polychronous system, including both the Lower Riphean (1750 Ma) and Paleozoic (450 Ma) rocks. The zircons of these age groups differ in their mineralogical and geochemical properties supporting the idea that they belong to different primary sources which may be due to repeating plume processes, which partly reanimated – heated and melted-rocks of the previous cycle and/or created new sources of melts.