TY JOUR TI Evolution of gold sources in the process of formation of gold deposits (evidence from Eastern Yakutia) KW Eastern Yakutia KW evolution of gold sources KW regional clarkes of rocks and gold-concentrating minerals JO Vestnik of geosciences AU Kokin, A.V. AU Kravcov, R.V. PY 2022 IS 0 PB FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"