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 Coyote Mts, Pima Co., Arizona, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 51.9Ma - 49.7Ma 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
Giersdorf_00000374	51.9	49.7				35638	Roadside Mine (St. Francis Mine; Coyote Claim), Pan Tak, Coyote District, Coyote Mts, Tohono O'odom (Papago) Indian Reservation, Pima Co., Arizona, USA	Shafiqullah et al. (1980)	AGSD12_201

Locality age (prioritized)

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
Jen_0000004	60	56	Zircon			277574	Coyote Mountains Wilderness Area, Coyote District, Coyote Mts, Pima Co., Arizona, USA	Černý (1991)	PR51_429

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_00000374	51.9	49.7				35638	Roadside Mine (St. Francis Mine; Coyote Claim), Pan Tak, Coyote District, Coyote Mts, Tohono O'odom (Papago) Indian Reservation, Pima Co., Arizona, USA	Shafiqullah et al. (1980)	AGSD12_201