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 Aragonite at Northumberland District, Toquima Range, Nye Co., Nevada, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 173.8Ma - 139.5Ma at this locality

Age range from children

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-117935	173.8	142.2				29784	Northumberland Mine, Northumberland District, Toquima Range, Nye Co., Nevada, USA	NAVDAT	NAVDAT
NAVDAT-117339	170.5	139.5				29784	Northumberland Mine, Northumberland District, Toquima Range, Nye Co., Nevada, USA	NAVDAT	NAVDAT

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-117339	170.5	139.5				29784	Northumberland Mine, Northumberland District, Toquima Range, Nye Co., Nevada, USA	NAVDAT	NAVDAT
NAVDAT-117340	170.5	139.5				29784	Northumberland Mine, Northumberland District, Toquima Range, Nye Co., Nevada, USA	NAVDAT	NAVDAT
NAVDAT-117935	173.8	142.2				29784	Northumberland Mine, Northumberland District, Toquima Range, Nye Co., Nevada, USA	NAVDAT	NAVDAT
NAVDAT-9759	170.5	139.5				29784	Northumberland Mine, Northumberland District, Toquima Range, Nye Co., Nevada, USA	NAVDAT	NAVDAT
NAVDAT-9760	170.5	139.5				29784	Northumberland Mine, Northumberland District, Toquima Range, Nye Co., Nevada, USA	NAVDAT	NAVDAT

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
Kristen000222	27	24.8	Zircon			261556	Toquima Range, Nye Co., Nevada, USA	Shawe et al. (1986)	EG81_388
Kristen000240	23.4	21.4	Zircon			261556	Toquima Range, Nye Co., Nevada, USA	Shawe et al. (1986)	EG81_388
Kristen000241	24.6	19.8				261556	Toquima Range, Nye Co., Nevada, USA	Shawe et al. (1986)	EG81_388