Ages for Chalcopyrite at Silberhoffnung Adit (Cunzel Singer Adit; Cunzel Stenger Adit; Graue Halde; Silberkammer), Sehma, Sehmatal, Erzgebirge District, Saxony, Germany

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 343Ma - 100Ma at this locality