Underground highly concentrated brines which are unique by bromine, iodine, magnesium, lithium and many other components concentration are widely spread in the territory of Evenkia forming gigantic deposits of the complex hydromineral raw materials together with the deposits of oil and gas (Sobinsk, Kuiumbinsk, Yurubchinsk).

They are important as a new, non-traditional and complex source of mineral raw materials of high quality.

On the principle of hydro-geochemical zone distribution of hydro-geochemical parameters of the brines localized in Riphean-Ordovician reservoirs the zones of distribution and concentration of the elements in brines available for a highly effective obtaining lithium, strontium, boron, bromine, salt construction composition materials are fixed.

The most considerable exploited reserves of the industrial brines are concentrated in superficial bedded Low-Media-Cambrian and Ordovician reservoirs (table 2). In Riphean and Vendian reservoirs industrial brines are fixed in the zones of oil deposits localization, that is why they can be the most suitable basis for the production of the complex hydromineral raw materials because the process of the brines, oil output and wastes burial comprise an indivisible part of the technology of the deposits exploitation. The exploitation of the brines can be done both in indivisible technological scheme with oil output and independently.

With the help of the use of the new technologies mastered by and worked out for the new complex and first of all to rare-metal raw material sources, e.g. sorbtion technology, it is possible to create a large industrial base for obtaining the complex production, first of all of lithium salts for the use in aluminium, glass, ceramic industry.