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 Chalcopyrite at Sierra City, Sierra City District, Sierra Co., California, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of Ma - Ma 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
podchrome-00190	400	400			Cr	93430	Milton Claim (Redmayne And McGonigal Prospect), Sierra City, Sierra City District, Sierra Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157