Ages for Uranophane 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

• Mineralization age (remote)

• Excel ID	Max Age (Ma)	Min Age (Ma)	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	Dated Locality ID	Dated Locality	Ref	Ref ID
  Giersdorf_00000794	94	94	Uraninite	Autunite, Boltwoodite, Chalcocite, Chalcopyrite, Covellite, Galena, Ianthinite, Marcasite, Metazeunerite, Pyrite, Schoepite, Soddyite, Sphalerite, Uraninite, Zeunerite	U	30136	Lookout No. 22 Claim, Marshall Pass District, Saguache Co., Colorado, USA	Gross (1965)	AM50_909
  Giersdorf_00000795	99	99	Uraninite	Autunite, Boltwoodite, Chalcocite, Chalcopyrite, Covellite, Galena, Ianthinite, Marcasite, Metazeunerite, Pyrite, Schoepite, Soddyite, Sphalerite, Uraninite, Zeunerite	U	30136	Lookout No. 22 Claim, Marshall Pass District, Saguache Co., Colorado, USA	Gross (1965)	AM50_909
  Giersdorf_00000796	203	203	Uraninite	Autunite, Boltwoodite, Chalcocite, Chalcopyrite, Covellite, Galena, Ianthinite, Marcasite, Metazeunerite, Pyrite, Schoepite, Soddyite, Sphalerite, Uraninite, Zeunerite	U	30136	Lookout No. 22 Claim, Marshall Pass District, Saguache Co., Colorado, USA	Gross (1965)	AM50_909