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 Buena Vista Mine (Fourr Mine; Fourr Canyon Mine), Buena Vista And Horse Fall Mines, Dragoon District (Golden Rule District), Dragoon Mts, Cochise Co., Arizona, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 76.1Ma - 0Ma 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_00000350	76.1	72.1				32719	Golden Rule Mine (Old Terrible Mine; Golden Eagle Mine; Santa Lucia Mine), Dragoon District (Golden Rule District), Dragoon Mts, Cochise Co., Arizona, USA	Shafiqullah et al. (1980)	AGSD12_201
Michelle_554	0	0		Whewellite		15570	Cochise Co., Arizona, USA	Hofmann and Bernasconi (1998)	CG149_127