Ages for Tetrahedrite-(Zn) at Lincoln Mine (Rough Rider Patented Claim 1599a; Patented Claims 1599a & 1599b), Crown King, Pine Grove District, Bradshaw Mts (Bradshaw Range), Yavapai Co., Arizona, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 64Ma - 64Ma at this locality