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 Chalcocite at Knox Co., Texas, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 260Ma - 260Ma 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
sedcu-00734	260	260			Cu	42240	McFaddin Prospect, Knox Co., Texas, USA	Cox et al. (2003)	USGSOFR03_107

Mineralization 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
sedcu-00730	260	260			Cu	42241	Pyron Prospect (Craig Ranch Prospect; Smelter Mine; Goldberg Ranch Prospect), Knox Co., Texas, USA	Cox et al. (2003)	USGSOFR03_107
sedcu-00734	260	260			Cu	42240	McFaddin Prospect, Knox Co., Texas, USA	Cox et al. (2003)	USGSOFR03_107