Ages for Chalcocite at Eisenhower Mine (Eisenhower Property/group; Mission Extension; Palo Verde Mine; Palo Verde Copper Deposit), Mission Complex, San Xavier, 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 67Ma - 58Ma 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
  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