%0 Journal Article %T Ultrabasic rocks of ore fields of the Middle Timan: petrogeochemical and geochronological data %A Udoratina, O.V. %A Shmakova, A.M. %A Travin, A.V. %A Shuyskiy, A.S. %K ultrabasic rocks, alkaline picrites, chromespinelides, Ar-Ar method, Middle Timan %J Proceedings of the Komi Science Centre of the Ural Division of the Russian Academy of Sciences %D 2023 %N 0 %P 16 %I FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"