Minatom organizations and enterprises
Institutes of the Russian Academy of Sciences
Other organizations and enterprises
including socioeconomic and demographic data, indicated that an appropriate geologic formation should be sought within the bounds of the crystalline base of the Siberian platform among the magmatic and metamorphic rock of the southern part of the Yenisei ridge, a boundary structure for the Siberian platform that reveals its crystalline base (see Figure 1).
The concept for the site search was based on the idea that the segment of Earth’s crust being sought must be distinguished by a sufficient degree of homogeneity and by minimal fracturability and permeability of adjoining rock formations. Initially about 20 potentially suitable sites were identified in the southern