Ages for Calcite at Magma Chief Copper Mine (Magma Chief Group Of Claims; Magma Chief Mine; Patented Claims MS 3482; Patented Claim MS 3483), Superior, Pioneer District, Pinal 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 - 60Ma at this locality