Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org

Ages for Dawsonite at Piceance Creek Basin Saline Deposits (Piceance Creek Basin Nahcolite And Dawsonite Deposits), Piceance Creek Basin, Rio Blanco Co., Colorado, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 56Ma - 33.9Ma 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
Michelle_0016	56	33.9		Abelsonite		118255	Piceance Creek Basin Saline Deposits (Piceance Creek Basin Nahcolite And Dawsonite Deposits), Piceance Creek Basin, Rio Blanco Co., Colorado, USA	Mason et al. (1989)	OG14_585