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 Sepiolite at Chisana 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 Ma - Ma 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
PorphCu-00239	105	105		Anhydrite, Bornite, Chalcopyrite, Epidote, Kaolinite, Magnetite, Molybdenite, Pyrite	Cu	199265	Orange Hill Prospect, Chisana District, Valdez-Cordova Census Area, Alaska, USA	Singer et al. (2008)	USGSOFR2008_1155