Ages for Thorite at Twenty Grand Claim, McKinley Mountain Area, Wet Mountains Area, Custer Co., Colorado, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 1693.8Ma - 1668.9Ma at this locality

• Locality age

• 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
  USGS-U-Th-Pb-01615_206_238	1685.2	1685.2	Zircon			112293	Twenty Grand Claim, McKinley Mountain Area, Wet Mountains Area, Custer Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  USGS-U-Th-Pb-01615_207_206	1693	1693	Zircon			112293	Twenty Grand Claim, McKinley Mountain Area, Wet Mountains Area, Custer Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  USGS-U-Th-Pb-01615_207_235	1688.7	1688.7	Zircon			112293	Twenty Grand Claim, McKinley Mountain Area, Wet Mountains Area, Custer Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  USGS-U-Th-Pb-01616_206_238	1680.8	1680.8	Zircon			112293	Twenty Grand Claim, McKinley Mountain Area, Wet Mountains Area, Custer Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  USGS-U-Th-Pb-01616_207_206	1693.8	1693.8	Zircon			112293	Twenty Grand Claim, McKinley Mountain Area, Wet Mountains Area, Custer Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  USGS-U-Th-Pb-01616_207_235	1686.5	1686.5	Zircon			112293	Twenty Grand Claim, McKinley Mountain Area, Wet Mountains Area, Custer Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  USGS-U-Th-Pb-01617_206_238	1675.4	1675.4	Zircon			112293	Twenty Grand Claim, McKinley Mountain Area, Wet Mountains Area, Custer Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  USGS-U-Th-Pb-01617_207_206	1693	1693	Zircon			112293	Twenty Grand Claim, McKinley Mountain Area, Wet Mountains Area, Custer Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  USGS-U-Th-Pb-01617_207_235	1683.2	1683.2	Zircon			112293	Twenty Grand Claim, McKinley Mountain Area, Wet Mountains Area, Custer Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  USGS-U-Th-Pb-01618_206_238	1668.9	1668.9	Zircon			112293	Twenty Grand Claim, McKinley Mountain Area, Wet Mountains Area, Custer Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  USGS-U-Th-Pb-01618_207_206	1687.5	1687.5	Zircon			112293	Twenty Grand Claim, McKinley Mountain Area, Wet Mountains Area, Custer Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  USGS-U-Th-Pb-01618_207_235	1677.1	1677.1	Zircon			112293	Twenty Grand Claim, McKinley Mountain Area, Wet Mountains Area, Custer Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb