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:
Sierra Gorda District, Tocopilla Province, Antofagasta, Chile

Oldest recorded age at locality: 41.8
Youngest recorded age at locality: 41.3

mindat Locality ID: 233226
mindat URL: http://www.mindat.org/loc-233226.html

Tectonic Settings:

Total number of sublocalities beneath "Sierra Gorda District, Tocopilla Province, Antofagasta, Chile": 4
Total number of bottom-level sublocalities: 3

Number of Child Localities: 2
Child Localities:
Caracoles
Esperanza Mine

Latitude: 22°57'59"S
Longitude: 69°3'30"W
Decimal Degree (lat, lon): -22.966388888889,-69.058333333333

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.

Acanthite	Allophane	Alunite	Aragonite	Arsenopyrite	Atacamite	Brochantite	Chalcopyrite	Clay	Clinozoisite
Copper	Epidote	Garnet	Gypsum	Iranite	Mica	Molybdenite	None	Not in a structural group	Polybasite
Pyrite	Pyroxene	Rocksalt	Scheelite	Spinel

Acanthite ()*	Alunite ()*	Andradite ()*	Anhydrite ()*	Arsenopyrite ()*
Atacamite ()*	Bornite ()*	Brochantite ()*	Cerussite ()*	Chalcocite ()*
Chalcopyrite ()*	Chrysocolla ()*	Diopside ()*	Epidote ()*	Galena ()*
Glauberite ()*	Gold ()*	Gypsum ()*	Hedenbergite ()*	Hemihedrite ()*
Iranite ()*	Jarosite ()*	Leightonite ()*	Magnetite ()*	Molybdenite ()*
Muscovite ()*	Paratacamite ()*	Phoenicochroite ()*	Polybasite ()*	Proustite ()*
Pyrite ()*	Wulfenite ()*

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: Ag Al As Au C Ca Cl Cr Cu Fe H K Mg Mo Na O Pb S Sb Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Acanthite Allophane Alunite Aragonite Arsenopyrite Atacamite Brochantite Chalcopyrite Clay Clinozoisite
Copper Epidote Garnet Gypsum Iranite Mica Molybdenite None Not in a structural group Polybasite
Pyrite Pyroxene Rocksalt Scheelite Spinel

32 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Acanthite ()*	Acanthite	Ag₂S			1	35925	2793
Alunite ()*	None	KAl₃(SO₄)₂(OH)₆	41.8	41.3	2	35926,35927	966
Andradite ()*	Garnet	Ca₃Fe³⁺₂(SiO₄)₃			1	35925	1534
Anhydrite ()*	Not in a structural group	Ca(SO₄)	41.8	41.3	1	35927	1588
Arsenopyrite ()*	Arsenopyrite	FeAsS			1	35925	9052
Atacamite ()*	Atacamite	Cu₂Cl(OH)₃	41.8	41.3	2	35926,35927	544
Bornite ()*	None	Cu₅FeS₄	41.8	41.3	1	35927	5516
Brochantite ()*	Brochantite	Cu₄(SO₄)(OH)₆	41.8	41.3	1	35927	1633
Cerussite ()*	Aragonite	Pb(CO₃)			1	35925	4979
Chalcocite ()*	None	Cu₂S	41.8	41.3	1	35927	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	41.8	41.3	1	35927	27198
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	41.8	41.3	1	35927	3531
Diopside ()*	Pyroxene	CaMgSi₂O₆	41.8	41.3	1	35927	4135
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	41.8	41.3	1	35927	8173
Galena ()*	Rocksalt	PbS			1	35925	24243
Glauberite ()*	None	Na₂Ca(SO₄)₂			1	35926	137
Gold ()*	Copper	Au	41.8	41.3	1	35927	30554
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	41.8	41.3	1	35927	6890
Hedenbergite ()*	Pyroxene	CaFe²⁺Si₂O₆	41.8	41.3	1	35927	741
Hemihedrite ()*	Iranite	ZnPb₁₀(CrO₄)₆(SiO₄)₂(OH)₂			1	35925	14
Iranite ()*	Iranite	CuPb₁₀(CrO₄)₆(SiO₄)₂(OH)₂			1	35925	11
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆	41.8	41.3	2	35926,35927	2228
Leightonite ()*	None	K₂Ca₂Cu(SO₄)₄·2H₂O			1	35926	9
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	41.8	41.3	1	35927	14899
Molybdenite ()*	Molybdenite	MoS₂	41.8	41.3	1	35927	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	41.8	41.3	1	35927	17380
Paratacamite ()*	Atacamite	Cu₃(Cu,Zn)Cl₂(OH)₆			1	35926	158
Phoenicochroite ()*	None	Pb₂O(CrO₄)			1	35925	35
Polybasite ()*	Polybasite	[Ag₉CuS₄][(Ag,Cu)₆(Sb,As)₂S₇]			1	35925	716
Proustite ()*	None	Ag₃AsS₃			1	35925	733
Pyrite ()*	Pyrite	FeS₂	41.8	41.3	1	35927	39462
Wulfenite ()*	Scheelite	PbMoO₄			1	35925	1655

1 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-00295	41.8	41.3	41.3±0.3; 41,8±0.13									Alunite, Atacamite, Chalcopyrite, Chrysocolla, Jarosite, Pyrite	Cu	205858	Esperanza Mine, Sierra Gorda District, Tocopilla Province, Antofagasta, Chile	Esperanza	Singer et al. (2008)		USGSOFR2008_1155

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...