Udokan copper deposit in the Chita region

USSR. Chita Region. Assistant drilling foreman of the Udokan Geological Prospecting Expedition, student of the Moscow Geological Prospecting Institute Alexander Chukalin, writing a diploma thesis on the exploration methodology of the Udokan copper deposit. The expedition conducted detailed additional exploration of the deposit and determined the optimal option for mining and ore processing technology. Grigory Kalachyan/TASS