geologists and members of the scientific editorial board of DUK “Regiolnalgeologiya” for the preparation of the base legend and geological map of the area during the project report on the scale of 1:25 000 (GQO’-25) and 1:50 000 (ChGH-50) in the Sultonuvais mountains, together with the chief and scientific editors, a scientific meeting was held at the “Institute of Mineral Resources” in order to clarify the composition, boundary and age of controversial, intrusive complexes and suites on the basis of primary geological data.