Ages for Chalcocite at Chimborazo Prospect, Escondida, El Loa Province, Antofagasta, Chile

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 38.7Ma - 34.9Ma 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-00292	38.7	34.9		Alunite, Anhydrite, Atacamite, Bornite, Brochantite, Chalcocite, Chalcopyrite, Covellite, Enargite, Pyrite	Cu	205852	Chimborazo Prospect, Escondida, El Loa Province, Antofagasta, Chile	Singer et al. (2008)	USGSOFR2008_1155

• Specified 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
  PorphCu-00097	1880	1880		Alunite, Anilite, Antlerite, Atacamite, Bornite, Brochantite, Chalcocite, Chalcopyrite, Chrysocolla, Copper, Covellite, Cuprite, Diaspore, Digenite, Djurleite, Enargite, Epidote, Galena, Goethite, Hematite, Idaite, Jarosite, Kaolinite, Magnetite, Marcasite, Molybdenite, Pyrite, Pyrophyllite, Sphalerite, Svanbergite, Turquoise	Cu	39272	La Escondida Mine, Escondida, El Loa Province, Antofagasta, Chile	Singer et al. (2008)	USGSOFR2008_1155