Ages for Chalcopyrite at Esperanza Mine [new] (Esperanza Pit; Esperanza Open Pit Mines; West Esperanza Mine), Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 57Ma - 53Ma at this locality

• Specified 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
  PorphCu-00037	57	53		Bornite, Brochantite, Chalcocite, Chalcopyrite, Chrysocolla, Copper, Covellite, Enargite, Epidote, Ferrimolybdite, Fluorite, Galena, Jarosite, Kaolinite, Magnetite, Marcasite, Molybdenite, Montmorillonite, Pyrite, Pyrrhotite, Rutile, Sphalerite	Cu	11013	Esperanza Mine [new] (Esperanza Pit; Esperanza Open Pit Mines; West Esperanza Mine), Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA	Singer et al. (2008)	USGSOFR2008_1155

• 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
  Mo-00122	63.1	56.9		Ferrimolybdite, Lindgrenite, Molybdenite	Mo	11013	Esperanza Mine [new] (Esperanza Pit; Esperanza Open Pit Mines; West Esperanza Mine), Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA	Titley et al. (1986); Livingston et al. (1968); Barra et al. (2005)

• 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
  EG94_211-00050	67	67				22945	Sierrita Mine (Duval-Sierrita Mine; Duval Esperanza Mine; Sierrita Open Pit Mine), Batamote Hills, Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA	Bouse et al. (1999)	EG94_211
  EG94_211-00051	67	67				22945	Sierrita Mine (Duval-Sierrita Mine; Duval Esperanza Mine; Sierrita Open Pit Mine), Batamote Hills, Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA	Bouse et al. (1999)	EG94_211
  EG94_211-00052	63	63				22945	Sierrita Mine (Duval-Sierrita Mine; Duval Esperanza Mine; Sierrita Open Pit Mine), Batamote Hills, Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA	Bouse et al. (1999)	EG94_211
  EG94_211-00053	58	58				22945	Sierrita Mine (Duval-Sierrita Mine; Duval Esperanza Mine; Sierrita Open Pit Mine), Batamote Hills, Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA	Bouse et al. (1999)	EG94_211
  EG94_211-00054	58	58				22945	Sierrita Mine (Duval-Sierrita Mine; Duval Esperanza Mine; Sierrita Open Pit Mine), Batamote Hills, Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA	Bouse et al. (1999)	EG94_211