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 Sphalerite at Robinson Bar District, Custer Co., Idaho, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 82.5Ma - 74.5Ma 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
USGS-Rb-Sr-02470	82.5	74.5				136107	Bluebird Group, Robinson Bar District, Custer Co., Idaho, USA	USGS-Rb-Sr	USGS-Rb-Sr

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
NAVDAT-42270	96.8	79.2				135592	American Creek Prospect, Robinson Bar District, Custer Co., Idaho, USA	NAVDAT	NAVDAT
USGS-Rb-Sr-02470	82.5	74.5				136107	Bluebird Group, Robinson Bar District, Custer Co., Idaho, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-02471	82.5	74.5				136107	Bluebird Group, Robinson Bar District, Custer Co., Idaho, USA	USGS-Rb-Sr	USGS-Rb-Sr