Ages for Thenardite at Alberta, Canada

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 1400Ma - 1000Ma 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
  MD9_223_0001	1350	1280	Zircon			4371	Yarrow Creek, Yarrow Creek-Spionkop Creek Deposit, Alberta, Canada	Morton (1974)	MD9_223
  MD9_223_0002	1100	1100	Zircon			4371	Yarrow Creek, Yarrow Creek-Spionkop Creek Deposit, Alberta, Canada	Morton (1974)	MD9_223
  sedcu-00163	1000	1000			Cu	19046	Spionkop Creek, Yarrow Creek-Spionkop Creek Deposit, Alberta, Canada	Cox et al. (2003)	USGSOFR03_107
  sedcu-00164	1000	1000			Cu	19046	Spionkop Creek, Yarrow Creek-Spionkop Creek Deposit, Alberta, Canada	Cox et al. (2003)	USGSOFR03_107
  sedcu-00169	1400	1400			Cu	4371	Yarrow Creek, Yarrow Creek-Spionkop Creek Deposit, Alberta, Canada	Cox et al. (2003)	USGSOFR03_107
  sedcu-00170	1400	1400			Cu	4371	Yarrow Creek, Yarrow Creek-Spionkop Creek Deposit, Alberta, Canada	Cox et al. (2003)	USGSOFR03_107