Ages for Cassiterite at Preiselberg Area (Preißelsberg; Preisselberg), Krupka (Graupen), Krušné Hory Mts (Erzgebirge), Ústí Nad Labem Region, Czech Republic

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 310Ma - 260Ma at this locality