Udokan Series  search
BTChronostratigraphic Units
 .Precambrian
 ..Proterozoic
 ...Udokan Series
RTRussian Federation
 Yakutia Russian Federation
 Amur region
 Chita Russian Federation
SNPaleoproterozoic. An aggregate of metamorphised sedimentary rocks including schists, phyllites, sandstones, and crystalline limestone. In NW Amur Oblast, N Chita Oblast, and S Yakutia NE of Lake Baikal.