Ages for Bastnasite-(Y) at Verkhnee Espe Massif (Verkhnee Espe Deposit), Akzhaylyautas Mts (Akzhailyautas Mts; Akjaylautas Mts; Akzhalautas Mts), Tarbagatai Range, East Kazakhstan, Kazakhstan

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 272Ma - 247Ma at this locality