Mineral Evolution Database

Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.

Mineral locality data provided by mindat.org

The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.

Locality Name:
Chimborazo Prospect, Escondida, El Loa Province, Antofagasta, Chile

Oldest recorded age at locality: 1880
Youngest recorded age at locality: 34.9

mindat Locality ID: 205852
mindat URL: http://www.mindat.org/loc-205852.html

Tectonic Settings:

Total number of sublocalities beneath "Chimborazo Prospect, Escondida, El Loa Province, Antofagasta, Chile": 0
Total number of bottom-level sublocalities: 0

Latitude: 24°8'"S
Longitude: 69°5'"W
Decimal Degree (lat, lon): -24.133333333333,-69.083333333333

A	This mineral is Anthropogenic.
G	This mineral is directly dated.
B	This mineral is reported as having this age.
Y	This mineral is using an age reported as an element mineralization period.
O	This mineral is using an age calculated from all data at the locality.
R	The age displayed for this mineral originates from a different, non-child locality.
P	The age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
	This mineral's age has not yet been recorded.

Atacamite	Brochantite	Chalcopyrite	Clay	Covellite	Enargite	Mica	None	Not in a structural group	Pyrite
Tetrahedrite	Wurtzite

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Al As Ca Cl Cu Fe H K O S Si

Elements from minerals reported directly at this locality: Al As Ca Cl Cu Fe H K O S Si

Structural Groups for minerals in this locality:
Atacamite Brochantite Chalcopyrite Clay Covellite Enargite Mica None Not in a structural group Pyrite
Tetrahedrite Wurtzite

12 IMA Minerals at location:

Alunite ()*	Anhydrite ()*	Atacamite ()*	Bornite ()*	Brochantite ()*
Chalcocite ()*	Chalcopyrite ()*	Covellite ()*	Enargite ()*	Muscovite ()*
Pyrite ()*	Tennantite-(Fe) ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Alunite ()*	None	KAl₃(SO₄)₂(OH)₆	38.7	34.9	966
Anhydrite ()*	Not in a structural group	Ca(SO₄)	38.7	34.9	1588
Atacamite ()*	Atacamite	Cu₂Cl(OH)₃	38.7	34.9	544
Bornite ()*	None	Cu₅FeS₄	38.7	34.9	5516
Brochantite ()*	Brochantite	Cu₄(SO₄)(OH)₆	38.7	34.9	1633
Chalcocite ()*	None	Cu₂S	38.7	34.9	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	38.7	34.9	27198
Covellite ()*	Covellite	CuS	38.7	34.9	4165
Enargite ()*	Enargite Wurtzite	Cu₃AsS₄	38.7	34.9	910
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	38.7	34.9	17380
Pyrite ()*	Pyrite	FeS₂	38.7	34.9	39462
Tennantite-(Fe) ()*	Tetrahedrite	Cu₆(Cu₄Fe₂)As₄S₁₃	38.7	34.9	1803

2 Ages assigned to this locality:

	Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
	PorphCu-00292	38.7	34.9	38.72±0.17 to 34.9±0.41									Alunite, Anhydrite, Atacamite, Bornite, Brochantite, Chalcocite, Chalcopyrite, Covellite, Enargite, Pyrite	Cu	205852	Chimborazo Prospect, Escondida, El Loa Province, Antofagasta, Chile	Chimborazo	Singer et al. (2008)		USGSOFR2008_1155
	PorphCu-00097	1880	1880	1880							Yes		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	Escondida	Singer et al. (2008)		USGSOFR2008_1155

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...