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 Tremolite at Segerstrom-Heizer Mine, Mineral Basin District, Pershing Co., Nevada, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 174.9Ma - 143.1Ma 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
NAVDAT-116920	174.9	143.1				58331	Segerstrom-Heizer Mine, Mineral Basin District, Pershing Co., Nevada, USA	NAVDAT	NAVDAT
NAVDAT-116922	174.9	143.1				58331	Segerstrom-Heizer Mine, Mineral Basin District, Pershing Co., Nevada, USA	NAVDAT	NAVDAT