Ages for Quartz at Hawkins Group Of Claims (Hawkins Group; Bunker Hill Claim; Bunker Hill Nos. 1 & 2 Claims; Altamont Claim; Twin Tunnel Claim; L.G.M. Claim), Rich Gulch, Rich Gulch District, East Belt, Calaveras Co., California, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 100Ma - 100Ma at this locality