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 Dolomite at Dyer Mine, Leadville District, Lake Co., Colorado, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 45.1Ma - 37.9Ma at this locality

Locality 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
sedznpb-00472	41.3	37.9				3652	Leadville, Leadville District, Lake Co., Colorado, USA	Singer et al. (2009)	USGSOFR2009-1252
sedznpb-00489	45.1	39.9				5991	Sherman Mine (Sherman Tunnel; Leadville Corporation Mine; Day Mines; Hilltop Mine), Upper Iowa Gulch, Leadville District, Lake Co., Colorado, USA	Singer et al. (2009)	USGSOFR2009-1252