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 Andalusite at Chiricahua Mts, Cochise Co., Arizona, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 26Ma - 0.26Ma 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
MT1984_Tsuji_001	26	25				32163	El Tigre Mine (Sampson Mine), Rustler Park, California District, Chiricahua Mts, Cochise Co., Arizona, USA	Tsuji (1984)	MT1984_Tsuji
NAVDAT-14757	3.5	0.26				188177	Unnamed Pumice Mine, Rucker Canyon District, Chiricahua Mts, Cochise Co., Arizona, USA	NAVDAT	NAVDAT

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