Ages for Malachite at Mineral Hill Mines (Azurite Group; Old Azurite Mine; Copper Glance Mine), Mineral Hill, Mission Complex, San Xavier, Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 67Ma - 58Ma at this locality