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 Rockingham Co., North Carolina, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 331.23Ma - 297.23Ma 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
USGS-Rb-Sr-02303	331.23	297.23	Muscovite			102059	Short Tom Smith Mine (Ben Smith Mine), Rockingham Co., North Carolina, USA	USGS-Rb-Sr	USGS-Rb-Sr