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 Cryptomelane at Delaware District, Carson City, Nevada, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 189.2Ma - 154.8Ma 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-127312	189.2	154.8				61053	Dixon Deposit, Delaware District, Carson City, 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-127312	189.2	154.8				61053	Dixon Deposit, Delaware District, Carson City, Nevada, USA	NAVDAT	NAVDAT
NAVDAT-54471	25	17.35				61054	Bessemer Mine (Brunswick Canyon Prospect; Iron King Prospect), Delaware District, Carson City, Nevada, USA	NAVDAT	NAVDAT