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 Crown Mine (Nichols Prospect; Hammer; Upper Hammon No. 38?), Illinois River District, Josephine Co., Oregon, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 163Ma - 163Ma 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-00349	163	163			Cr	148337	Crown Mine (Nichols Prospect; Hammer; Upper Hammon No. 38?), Illinois River District, Josephine Co., Oregon, USA	Moiser et al. (2012)	USGSSIR2012_5157