Ages for Acanthite at Blue Bird Mine (Bluebird Mine; Zilla Mine; Twin-S Mine; Cumberland Mine; Thornewood Mine; Blue Bird Silver Mining Co. Property), Bunker Hill District (Copper Creek District), Galiuro Mts, Pinal Co., Arizona, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 62Ma - 52Ma at this locality