Ages for Arsenopyrite at Orphan Mine (Orphan Lode; Orphan N.P. 2004; Golden Crown Mining Co. Property; Western Gold And Uranium Property), Grand Canyon Village, Orphan Mining District, South Rim, Coconino Co., Arizona, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 188.1Ma - 183.5Ma at this locality