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 Andradite at 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 202Ma - 200.6Ma 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
UBCMDRUSP2_1_Copper_Belle01	202	200.6				3316	Turquoise District (Courtland-Gleeson District), Dragoon Mts, Cochise Co., Arizona, USA	Lang (2001)	UBCMDRUSP2_1

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
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
UBCMDRUSP2_1_Copper_Belle01	202	200.6				3316	Turquoise District (Courtland-Gleeson District), Dragoon Mts, Cochise Co., Arizona, USA	Lang (2001)	UBCMDRUSP2_1

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
Michelle_554	0	0		Whewellite		15570	Cochise Co., Arizona, USA	Hofmann and Bernasconi (1998)	CG149_127