Ages for Baryte at Mt. Jackson Mine (Spar Mine; Spar Fluorite Group; Rhodes Spar Mine; Mount Jackson No. 1 And 2 Claims MS 4673; Mount Jackson Mine), Jackson Mountain, Santa Teresa Mts, Aravaipa District, Graham Co., Arizona, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 56Ma - 33.9Ma at this locality