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 Quartz at Toughnut Mine (Tough Nut Mine; Northwest Mine; Hoodoo Stopes; Tombstone Group), Tombstone, Tombstone District, Tombstone Hills, Cochise Co., Arizona, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 145Ma - 0Ma at this locality

Locality age (remote)

Excel ID	Max Age (Ma)	Min Age (Ma)	Minerals explicitely stated as having this age	Age applies to these Elements	Dated Locality ID	Dated Locality	Ref	Ref ID
EG94_211-00055	76	76			19445	Tombstone District, Tombstone Hills, Cochise Co., Arizona, USA	Bouse et al. (1999)	EG94_211
EG94_211-00056	76	76			19445	Tombstone District, Tombstone Hills, Cochise Co., Arizona, USA	Bouse et al. (1999)	EG94_211
EG94_211-00057	72	72			19445	Tombstone District, Tombstone Hills, Cochise Co., Arizona, USA	Bouse et al. (1999)	EG94_211
EG94_211-00058	66	66			19445	Tombstone District, Tombstone Hills, Cochise Co., Arizona, USA	Bouse et al. (1999)	EG94_211
Michelle_554	0	0	Whewellite		15570	Cochise Co., Arizona, USA	Hofmann and Bernasconi (1998)	CG149_127
Mo-00180	76	66	Molybdofornacite, Wulfenite	Mo	19445	Tombstone District, Tombstone Hills, Cochise Co., Arizona, USA	Bouse et al. (1999)	EG94_211
sedznpb-00497	145	2.6			19445	Tombstone District, Tombstone Hills, Cochise Co., Arizona, USA	Singer et al. (2009)	USGSOFR2009-1252