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Los Bronces Mine (Rio Blanco-Los Bronces deposit), Santiago Province, Santiago Metropolitan Region, Chile

Latitude: 33°8'20"S
Longitude: 70°16'40"W
Mina los Bronces, Provincia de Santiago, RegiĆ³n Metropolitana de Santiago, Chile

A copper and molybdenum mine, started in 1970. The open pit is 5,000 meters long, 300 meters wide & 100 meters deep. Produces 10,000 tons ore/day.
Owned by Exxon.

Mineral List

Actinolite
Alunite
Anhydrite
Arsenopyrite
Baryte
'Biotite'
Bornite
Calcite
Chalcocite
Chalcopyrite
'Chlorite Group'
Copper
Covellite
Cuprite
Digenite
Dravite
Enargite
Epidote
Ferrimolybdite
Galena
Goethite
Gypsum
Hematite
var: Specularite
Jarosite
'Leucoxene'
'Limonite'
Luzonite
Magnetite
Molybdenite
Muscovite
var: Sericite

Pyrite
Pyrophyllite
Quartz
Rutile
Sphalerite
Tennantite
Tenorite
Titanite
'Tourmaline'
Valleriite


41 entries listed. 34 valid minerals.

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References

- Mining Annual Review( 1985):225.
- Econ Geol (1985) 80:1544-1565.
- Frikken, P and Cooke, DR and Walshe, JL and Archibald, DA and Skarmeta, J and Serrano, L and Vargas, R (2005): Mineralogical and Isotopic Zonation in the Sur-Sur Tourmaline Breccia, Rio Blanco-Los Bronces Cu-Mo Deposit, Chile: Implications for Ore Genesis. Economic Geology, 100, 935-961.
- Singer, D.A., Berger, V.I., and Moring, B.C. (2008): Porphyry copper deposits of the world: Database and grade and tonnage models, 2008. US Geological Survey Open-File Report 2008-1155.

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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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Updated Mineral Entry: AmesiteFrom Uwe Kolitsch, 1st Sep 2014 18:19:05