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 Beatson Mine (Beatson-Bonanza Mine; Big Bonanza Copper Mine), Prince William Sound District, Valdez-Cordova Census Area, Alaska, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 20Ma - 20Ma at this locality

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
vms-00984	20	20			S	187984	Beatson Mine (Beatson-Bonanza Mine; Big Bonanza Copper Mine), Prince William Sound District, Valdez-Cordova Census Area, Alaska, USA	Moiser et al. (2009)	USGSOFR2009_1034