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 Chrysocolla at Blue Bird Mine, Contact District, Elko Co., Nevada, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 171.6Ma - 140.4Ma 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-118071	171.6	140.4				40943	Blue Bird Mine, Contact District, Elko Co., Nevada, USA	NAVDAT	NAVDAT
NAVDAT-118072	171.6	140.4				40943	Blue Bird Mine, Contact District, Elko Co., Nevada, USA	NAVDAT	NAVDAT
NAVDAT-118073	171.6	140.4				40943	Blue Bird Mine, Contact District, Elko Co., Nevada, USA	NAVDAT	NAVDAT
NAVDAT-118074	171.6	140.4				40943	Blue Bird Mine, Contact District, Elko Co., Nevada, USA	NAVDAT	NAVDAT
NAVDAT-118075	171.6	140.4				40943	Blue Bird Mine, Contact District, Elko Co., Nevada, USA	NAVDAT	NAVDAT
NAVDAT-118076	171.6	140.4				40943	Blue Bird Mine, Contact District, Elko Co., Nevada, USA	NAVDAT	NAVDAT
NAVDAT-118077	171.6	140.4				40943	Blue Bird Mine, Contact District, Elko Co., Nevada, USA	NAVDAT	NAVDAT
NAVDAT-118078	171.6	140.4				40943	Blue Bird Mine, Contact District, Elko Co., Nevada, USA	NAVDAT	NAVDAT
NAVDAT-118079	171.6	140.4				40943	Blue Bird Mine, Contact District, Elko Co., Nevada, USA	NAVDAT	NAVDAT
NAVDAT-118080	171.6	140.4				40943	Blue Bird Mine, Contact District, Elko Co., Nevada, USA	NAVDAT	NAVDAT
NAVDAT-118082	171.6	140.4				40943	Blue Bird Mine, Contact District, Elko Co., Nevada, USA	NAVDAT	NAVDAT
NAVDAT-118083	171.6	140.4				40943	Blue Bird Mine, Contact District, Elko Co., Nevada, USA	NAVDAT	NAVDAT
NAVDAT-118084	171.6	140.4				40943	Blue Bird Mine, Contact District, Elko Co., Nevada, USA	NAVDAT	NAVDAT
NAVDAT-118096	171.6	140.4				40943	Blue Bird Mine, Contact District, Elko Co., Nevada, USA	NAVDAT	NAVDAT
NAVDAT-118097	171.6	140.4				40943	Blue Bird Mine, Contact District, Elko Co., Nevada, USA	NAVDAT	NAVDAT

Specified 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
PorphCu-00684	150	150		Actinolite, Bornite, Chalcocite, Chalcopyrite, Chrysocolla, Cuprite, Hematite, Pyrite	Cu	36659	Contact District, Elko Co., Nevada, USA	Singer et al. (2008)	USGSOFR2008_1155