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 Posnjakite at El Loa Province, Antofagasta, Chile

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 35Ma - 31Ma at this locality

Age range from children

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-00002	35	31		Alunite, Antlerite, Atacamite, Bornite, Brochantite, Chalcopyrite, Chrysocolla, Conichalcite, Covellite, Djurleite, Epidote, Galena, Jarosite, Kaolinite, Libethenite, Molybdenite, Montmorillonite, Pyrite, Pyrophyllite, Sampleite, Sphalerite	Cu	641	Chuquicamata Mine, Chuquicamata District, Calama, El Loa Province, Antofagasta, Chile	Singer et al. (2008)	USGSOFR2008_1155

Mineralization 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-00002	35	31		Alunite, Antlerite, Atacamite, Bornite, Brochantite, Chalcopyrite, Chrysocolla, Conichalcite, Covellite, Djurleite, Epidote, Galena, Jarosite, Kaolinite, Libethenite, Molybdenite, Montmorillonite, Pyrite, Pyrophyllite, Sampleite, Sphalerite	Cu	641	Chuquicamata Mine, Chuquicamata District, Calama, El Loa Province, Antofagasta, Chile	Singer et al. (2008)	USGSOFR2008_1155
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
PorphCu-00098	38.89	34.49			Cu	39272	La Escondida Mine, Escondida, El Loa Province, Antofagasta, Chile	Singer et al. (2005)	USGSOFR2005_1060
PorphCu-00099	38	34		Antlerite, Bornite, Brochantite, Chalcopyrite, Chrysocolla, Copper, Enargite, Epidote, Galena, Ilmenite, Kaolinite, Magnetite, Molybdenite, Montmorillonite, Pyrite, Pyrophyllite, Rutile, Sphalerite, Turquoise	Cu	39275	El Abra Mine, El Loa Province, Antofagasta, Chile	Singer et al. (2008)	USGSOFR2008_1155
PorphCu-00212	57.69	55.98		Atacamite, Bornite, Brochantite, Chalcocite, Chalcopyrite, Chrysocolla, Covellite, Cuprite, Epidote, Jarosite, Molybdenite, Pyrite	Cu	191199	Spence Cu Deposit, El Loa Province, Antofagasta, Chile	Singer et al. (2008)	USGSOFR2008_1155
PorphCu-00213	43	41		Atacamite, Bornite, Chalcocite, Chalcopyrite, Chrysocolla, Epidote, Hematite, Jarosite, Pyrite, Neotocite	Cu	191200	Gaby Sur Mine, El Loa Province, Antofagasta, Chile	Singer et al. (2008)	USGSOFR2008_1155
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
PorphCu-00298	35.1	31.3		Atacamite, Brochantite, Chalcocite, Chalcopyrite, Pyrite	Cu	205861	Conchi Cu Deposit, Calama, El Loa Province, Antofagasta, Chile	Singer et al. (2008)	USGSOFR2008_1155
PorphCu-00316	37	34		Bornite, Chalcocite, Chalcopyrite, Covellite, Epidote, Hematite, Jarosite, Kaolinite, Molybdenite, Montmorillonite, Pyrite, Neotocite	Cu	205942	Opache Cu Deposit, Calama, El Loa Province, Antofagasta, Chile	Singer et al. (2008)	USGSOFR2008_1155
PorphCu-00318	35	32		Alunite, Atacamite, Bornite, Chalcocite, Chalcopyrite, Chenevixite, Chrysocolla, Covellite, Digenite, Enargite, Epidote, Jarosite, Molybdenite, Pyrite, Pyrophyllite, Sphalerite	Cu	205944	Ministro Hales Mine (Mina Ministro Hales; MMH; Mansa Mina Cu-Au Deposit), Chuquicamata District, Calama, El Loa Province, Antofagasta, Chile	Singer et al. (2008)	USGSOFR2008_1155
PorphCu-00320	38.2	37.6		Atacamite, Bornite, Chalcocite, Chalcopyrite, Chrysocolla, Covellite, Epidote, Galena, Goethite, Hematite, Jarosite, Malachite, Pyrite, Sphalerite, Tenorite	Cu	205947	Toki Cu Deposit (Toki Cluster), Chuquicamata District, Calama, El Loa Province, Antofagasta, Chile	Singer et al. (2008)	USGSOFR2008_1155
PorphCu-00648	290	260			Cu	227982	Lilian Prospect, Calama, El Loa Province, Antofagasta, Chile	Singer et al. (2008)	USGSOFR2008_1155
PorphCu-00650	64	64		Alunite, Jarosite, Pyrite	Cu	227989	Maní Prospect, Calama, El Loa Province, Antofagasta, Chile	Singer et al. (2008)	USGSOFR2008_1155
sedcu-00332	24	24			Cu	195853	San Bartolo Mine, San Bartolo District, El Loa Province, Antofagasta, Chile	Cox et al. (2003)	USGSOFR03_107

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
Michelle_0022	0	0		Biphosphammite, Guanine, Gypsum, Halite		250080	Cueva Lechuza De Campanario, Cordillera De La Sal, San Pedro De Atacama, El Loa Province, Antofagasta, Chile	De Waele et al. (2009)	G2_113
Mo-00007	35.07	34.73		Betpakdalite-CaCa, Ferrimolybdite, Lindgrenite, Molybdenite, Powellite, Wulfenite, Mendozavilite-KCa	Mo	641	Chuquicamata Mine, Chuquicamata District, Calama, El Loa Province, Antofagasta, Chile	Ballard et al. (2001); Ossandón et al. (2001)