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 Calaverite at Keystone Mine, Magnolia District, Boulder Co., Colorado, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 65.5Ma - 0Ma 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
Hg-00080	65.5	0		Calomel, Coloradoite, Magnolite, Mercury	Hg	24262	Magnolia District, Boulder Co., Colorado, USA	Kelly and Goddard (1969)	GSAM109_237
Mo-00187	65.5	0		Molybdenite	Mo	24262	Magnolia District, Boulder Co., Colorado, USA	Kelly and Goddard (1969)	GSAM109_237