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Quiruvilca Mine (La Libertad Mine; ASARCO Mine), Quiruvilca District, Santiago de Chuco Province, La Libertad Department, Peru

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Latitude & Longitude (WGS84): 8° 0' 39'' South , 78° 19' 18'' West
Latitude & Longitude (decimal): -8.01111111111, -78.3219444444
Other regions containing this locality:South America


A Cu-Pb-Zn-Ag-Au mine owned by ASARCO (80%). 1984 production was 358,000 tons/ore (2,400 tons Cu; 3,500 tons Pb; 10,000 tons Zn; 55,200 kg Ag & 78 kg Au).

Known for excellent specimens of orpiment, enargite, hutchinsonite, and pyrite.

Mesothermal and epithermal Cu-Pb-Zn ore mineralisations in an area of andesitic and basaltic volcanics. Four distinct zones can be recognized. From the center, they are the enargite zone, a transition zone, the Pb-​Zn and the stibnite zone. Alteration includes chloritization, propylitization, argillization, and silicification.

Mineral List


37 valid minerals.

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References

Lewis, R.W., Jr. (1956) The geology and ore deposits of the Quiruvilca District, Peru. Economic Geology 51, 41-63.

Burkart-Baumann, I. and Ottemann, J. (1972) Low temperature sulfides from Quiruvilca, Peru. Neues Jahrbuch für Mineralogie, Monatshefte 1972, 541-551 (in German).

Mining Annual Review (1985) 323.

Bartos, P.J. (1987) Quiruvilca, Peru: Mineral zoning and timing of wall-​rock alteration relative to copper-​lead-​zinc-​silver vein-​fill deposition. Economic Geology 82, 1431-1452.

Robinson, G. W. and Harris, D. C. (1987) A baumhauerite-like mineral from Quiruvilca, Peru. Mineralogical Record 18, 199-201.

Crowley, J.A., Currier, R.H., and Szenics, T. (1997) Mines and Minerals of Peru. Mineralogical Record 28, 1-98.

Hyrsl and Rosales (2003) Mineralogical Record: 34: 241-254.

Mineral and/or Locality  
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