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 Irene Mine (Irene Group/vein; Dunkirk & Kentucky Claims; Comstock Prop.; American Manganese Mine; Liberty Dep.; New Doughboy; Old Doughboy), Irene Gulch, Midland City, Globe Hills, Globe Hills District, Globe-Miami District, Gila Co., Arizona, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 57.2Ma - 54.4Ma at this locality

Locality age (remote)

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
Giersdorf_00000367	57.2	54.4				24945	Globe-Miami District, Gila Co., Arizona, USA	Shafiqullah et al. (1980)	AGSD12_201