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El Bronce mining district, Chilei
Regional Level Types
El Bronce mining districtDistrict
ChileCountry

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PhotosSearch
02944130015874640893281.jpg
Azurite, etc.

Dulcinea Mine, Petorca, Petorca Province, Valparaíso, Chile
02939240015874640901509.jpg
Azurite, etc.

Dulcinea Mine, Petorca, Petorca Province, Valparaíso, Chile
07159070014961354384701.jpg
Electrum, etc.

El Bronce Mine, Petorca, Petorca Province, Valparaíso, Chile
01834000015871380643608.jpg
Azurite, etc.

Dulcinea Mine, Petorca, Petorca Province, Valparaíso, Chile
02336010015871380631375.jpg
Azurite, etc.

Dulcinea Mine, Petorca, Petorca Province, Valparaíso, Chile
07159070014961354384701.jpg
Electrum, etc.

El Bronce Mine, Petorca, Petorca Province, Valparaíso, Chile
02944130015874640893281.jpg
Azurite, etc.

Dulcinea Mine, Petorca, Petorca Province, Valparaíso, Chile
02939240015874640901509.jpg
Azurite, etc.

Dulcinea Mine, Petorca, Petorca Province, Valparaíso, Chile
Latitude & Longitude (WGS84):
32° South , 70° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~33km
GRN:
S22W43
Type:
District
Köppen climate type:
Csb : Warm-summer Mediterranean climate
Mindat Locality ID:
207789
Long-form identifier:
mindat:1:2:207789:8
GUID (UUID V4):
a1da8616-7db0-441f-9cee-bb2d22e4d47d


Mesothermal to epithermal gold and copper-beraing veins, hosted by Upper Cretaceous volcanic rocks and related to Upper Cretaceous intrusives.

Most mines are in Petorca Province, Valparaíso.

The district has been mined since the end of the 18th century and its estimated production up to the present is more than 4 x 105 oz Au and 106 oz Ag, besides copper byproduct.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

27 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Alunite
Formula: KAl3(SO4)2(OH)6
ⓘ Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
ⓘ Aragonite
Formula: CaCO3
ⓘ Arsenopyrite
Formula: FeAsS
ⓘ Baryte
Formula: BaSO4
ⓘ Bornite
Formula: Cu5FeS4
ⓘ Calcite
Formula: CaCO3
ⓘ Cerussite
Formula: PbCO3
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ 'Chlorite Group'
ⓘ 'Clay minerals'
ⓘ Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
ⓘ Clinochlore var. Ripidolite
Formula: (Mg,Fe,Al)6(Si,Al)4O10(OH)8
ⓘ Dolomite
Formula: CaMg(CO3)2
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ 'Freibergite Subgroup'
Formula: (Ag6,[Ag6]4+)(Cu4 C2+2)Sb4S12S0-1
ⓘ Galena
Formula: PbS
ⓘ Gold
Formula: Au
ⓘ Gold var. Electrum
Formula: (Au,Ag)
ⓘ Hematite
Formula: Fe2O3
ⓘ Kaolinite
Formula: Al2(Si2O5)(OH)4
ⓘ 'Limonite'
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Proustite
Formula: Ag3AsS3
ⓘ Pyrargyrite
Formula: Ag3SbS3
ⓘ Pyrite
Formula: FeS2
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Quartz
Formula: SiO2
ⓘ Quartz var. Amethyst
Formula: SiO2
ⓘ Siderite
Formula: FeCO3
ⓘ Silver
Formula: Ag
ⓘ Smithsonite
Formula: ZnCO3
ⓘ Sphalerite
Formula: ZnS
ⓘ 'Tennantite Subgroup'
Formula: Cu6(Cu4C2+2)As4S12S
ⓘ 'Tennantite-Tetrahedrite Series'
ⓘ 'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S
ⓘ 'Tetrahedrite Subgroup var. Mercury-bearing Tetrahedrite'
Formula: Cu6[Cu4(Zn,Fe,Hg)2]Sb4S13

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘGold1.AA.05Au
ⓘSilver1.AA.05Ag
ⓘGold
var. Electrum		1.AA.05(Au,Ag)
Group 2 - Sulphides and Sulfosalts
ⓘBornite2.BA.15Cu5FeS4
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘGalena2.CD.10PbS
ⓘPyrite2.EB.05aFeS2
ⓘArsenopyrite2.EB.20FeAsS
ⓘProustite2.GA.05Ag3AsS3
ⓘPyrargyrite2.GA.05Ag3SbS3
ⓘ'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
ⓘ'Tennantite Subgroup'2.GB.05Cu6(Cu4C2+2)As4S12S
ⓘ'Freibergite Subgroup'2.GB.05(Ag6,[Ag6]4+)(Cu4 C2+2)Sb4S12S0-1
ⓘ'Tetrahedrite Subgroup
var. Mercury-bearing Tetrahedrite'		2.GB.05Cu6[Cu4(Zn,Fe,Hg)2]Sb4S13
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘHematite4.CB.05Fe2O3
ⓘQuartz
var. Amethyst		4.DA.05SiO2
ⓘ4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘSmithsonite5.AB.05ZnCO3
ⓘSiderite5.AB.05FeCO3
ⓘDolomite5.AB.10CaMg(CO3)2
ⓘAnkerite5.AB.10Ca(Fe2+,Mg)(CO3)2
ⓘCerussite5.AB.15PbCO3
ⓘAragonite5.AB.15CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘBaryte7.AD.35BaSO4
ⓘAlunite7.BC.10KAl3(SO4)2(OH)6
Group 9 - Silicates
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘvar. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘClinochlore
var. Ripidolite		9.EC.55(Mg,Fe,Al)6(Si,Al)4O10(OH)8
ⓘ9.EC.55Mg5Al(AlSi3O10)(OH)8
ⓘKaolinite9.ED.05Al2(Si2O5)(OH)4
Unclassified
ⓘ'Limonite'-
ⓘ'Tennantite-Tetrahedrite Series'-
ⓘ'Clay minerals'-
ⓘ'Chlorite Group'-

List of minerals for each chemical element

HHydrogen
Hⓘ AluniteKAl3(SO4)2(OH)6
Hⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ KaoliniteAl2(Si2O5)(OH)4
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ Clinochlore var. Ripidolite(Mg,Fe,Al)6(Si,Al)4O10(OH)8
Hⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CCarbon
Cⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Cⓘ AragoniteCaCO3
Cⓘ CalciteCaCO3
Cⓘ CerussitePbCO3
Cⓘ DolomiteCaMg(CO3)2
Cⓘ SideriteFeCO3
Cⓘ SmithsoniteZnCO3
OOxygen
Oⓘ AluniteKAl3(SO4)2(OH)6
Oⓘ Quartz var. AmethystSiO2
Oⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Oⓘ AragoniteCaCO3
Oⓘ BaryteBaSO4
Oⓘ CalciteCaCO3
Oⓘ CerussitePbCO3
Oⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Oⓘ DolomiteCaMg(CO3)2
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ HematiteFe2O3
Oⓘ KaoliniteAl2(Si2O5)(OH)4
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ Clinochlore var. Ripidolite(Mg,Fe,Al)6(Si,Al)4O10(OH)8
Oⓘ SideriteFeCO3
Oⓘ SmithsoniteZnCO3
Oⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
MgMagnesium
Mgⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Mgⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Mgⓘ DolomiteCaMg(CO3)2
Mgⓘ Clinochlore var. Ripidolite(Mg,Fe,Al)6(Si,Al)4O10(OH)8
AlAluminium
Alⓘ AluniteKAl3(SO4)2(OH)6
Alⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ KaoliniteAl2(Si2O5)(OH)4
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ Clinochlore var. Ripidolite(Mg,Fe,Al)6(Si,Al)4O10(OH)8
Alⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SiSilicon
Siⓘ Quartz var. AmethystSiO2
Siⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ KaoliniteAl2(Si2O5)(OH)4
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ Clinochlore var. Ripidolite(Mg,Fe,Al)6(Si,Al)4O10(OH)8
Siⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SSulfur
Sⓘ AluniteKAl3(SO4)2(OH)6
Sⓘ ArsenopyriteFeAsS
Sⓘ BaryteBaSO4
Sⓘ BorniteCu5FeS4
Sⓘ ChalcopyriteCuFeS2
Sⓘ Freibergite Subgroup(Ag6,[Ag6]4+)(Cu4 C22+)Sb4S12S0-1
Sⓘ GalenaPbS
Sⓘ ProustiteAg3AsS3
Sⓘ PyrargyriteAg3SbS3
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
Sⓘ SphaleriteZnS
Sⓘ Tennantite SubgroupCu6(Cu4C22+)As4S12S
Sⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
Sⓘ Tetrahedrite Subgroup var. Mercury-bearing TetrahedriteCu6[Cu4(Zn,Fe,Hg)2]Sb4S13
KPotassium
Kⓘ AluniteKAl3(SO4)2(OH)6
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Caⓘ AragoniteCaCO3
Caⓘ CalciteCaCO3
Caⓘ DolomiteCaMg(CO3)2
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
FeIron
Feⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Feⓘ ArsenopyriteFeAsS
Feⓘ BorniteCu5FeS4
Feⓘ ChalcopyriteCuFeS2
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ HematiteFe2O3
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
Feⓘ Clinochlore var. Ripidolite(Mg,Fe,Al)6(Si,Al)4O10(OH)8
Feⓘ SideriteFeCO3
Feⓘ Tetrahedrite Subgroup var. Mercury-bearing TetrahedriteCu6[Cu4(Zn,Fe,Hg)2]Sb4S13
CuCopper
Cuⓘ BorniteCu5FeS4
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ Freibergite Subgroup(Ag6,[Ag6]4+)(Cu4 C22+)Sb4S12S0-1
Cuⓘ Tennantite SubgroupCu6(Cu4C22+)As4S12S
Cuⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
Cuⓘ Tetrahedrite Subgroup var. Mercury-bearing TetrahedriteCu6[Cu4(Zn,Fe,Hg)2]Sb4S13
ZnZinc
Znⓘ SmithsoniteZnCO3
Znⓘ SphaleriteZnS
Znⓘ Tetrahedrite Subgroup var. Mercury-bearing TetrahedriteCu6[Cu4(Zn,Fe,Hg)2]Sb4S13
AsArsenic
Asⓘ ArsenopyriteFeAsS
Asⓘ ProustiteAg3AsS3
Asⓘ Tennantite SubgroupCu6(Cu4C22+)As4S12S
AgSilver
Agⓘ Gold var. Electrum(Au,Ag)
Agⓘ Freibergite Subgroup(Ag6,[Ag6]4+)(Cu4 C22+)Sb4S12S0-1
Agⓘ ProustiteAg3AsS3
Agⓘ PyrargyriteAg3SbS3
Agⓘ SilverAg
SbAntimony
Sbⓘ Freibergite Subgroup(Ag6,[Ag6]4+)(Cu4 C22+)Sb4S12S0-1
Sbⓘ PyrargyriteAg3SbS3
Sbⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
Sbⓘ Tetrahedrite Subgroup var. Mercury-bearing TetrahedriteCu6[Cu4(Zn,Fe,Hg)2]Sb4S13
BaBarium
Baⓘ BaryteBaSO4
AuGold
Auⓘ Gold var. Electrum(Au,Ag)
Auⓘ GoldAu
HgMercury
Hgⓘ Tetrahedrite Subgroup var. Mercury-bearing TetrahedriteCu6[Cu4(Zn,Fe,Hg)2]Sb4S13
PbLead
Pbⓘ CerussitePbCO3
Pbⓘ GalenaPbS

Localities in this Region

Chile

Other Regions, Features and Areas that Intersect

South America
South America PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Camus, F., Boric, R., Skewes, M.A. (1986) El Distrito de Oro El Bronce y Su Relacion Con la Caldera Morro Hediondo, Region De Valparaiso, Chile: Revista Geológica de Chile, No.28-29, 95-101.
Camus, F., Boric, R., Skewes, M.A., Castelli, J.C., Reichard, E., Mestre, A. (1991) Geologic, structural, and fluid inclusion studies of El Bronce epithermal vein system, Petorca, central Chile. Economic Geology, 86:6, 1317-1345.
Maksaev, V., Townley, B., Palacios, C., Camus, F. (2007) Metallic ore deposits. In: Moreno, T., and Gibbons, W. (editors) The Geology of Chile. The Geological Society (London), 414 pages, at pgs. 179-199.
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