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 Marcasite at Copper River 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 66Ma - 33.9Ma 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
vms-01005	66	33.9				187990	Threeman Mine (Standard Copper Mine), Copper River District, Valdez-Cordova Census Area, Alaska, USA	Moiser et al. (2009)	USGSOFR2009-1034

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
vms-00998	66	33.9				200660	Unnamed Occurrence (ARDF - CV033; Tributary To Port Fidalgo), Copper River District, Valdez-Cordova Census Area, Alaska, USA	Moiser et al. (2009)	USGSOFR2009-1034
vms-01005	66	33.9				187990	Threeman Mine (Standard Copper Mine), Copper River District, Valdez-Cordova Census Area, Alaska, USA	Moiser et al. (2009)	USGSOFR2009-1034