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 Gypsum at Hack Canyon Mine (Hack's Mine; Hack Canyon Copper Mine; Hack Canyon Uranium Mine), Hack Canyon, Hack Canyon District, Mohave Co., Arizona, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 220Ma - 180Ma 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
EG87_1747_004	220	180			U	39688	Pipe No. 1, Hack Canyon Mine (Hack's Mine; Hack Canyon Copper Mine; Hack Canyon Uranium Mine), Hack Canyon, Hack Canyon District, Mohave Co., Arizona, USA	Ludwig and Simmons (1992)	EG87_1747