Ages for Uraninite at Marshall Pass Nos. 33 Claim (Marshall Pass Nos. 34 Claim; Marshall Pass Nos. 35 Claim; Marshall Pass Nos. 58 Claim; Olympia Extension; Marshall Pass Nos. 36 Claim), Marshall Pass District, Saguache Co., Colorado, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 203Ma - 94Ma at this locality