Mine detail: Colqui, Peru

Previously called 'San JuanLourdesYau-YauMaria TeresaVeinsColquiIvonne CobreGabyVermouthFinlandia VeinQuinarcan'

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Location

Lat / long:

-11.54871, -76.46306

Resource(M)

Primary:	Lead, Zinc
Secondary:	Copper, Silver, Gold, Cadmium
Tertiary:	Mercury
Ore:	Argentite, Chalcopyrite, Cinnabar, Electrum, Galena, Gold, Marcasite, Polybasite, Proustite, Realgar, Sphalerite, Stibnite, Tennantite, Tetrahedrite, Wolframite
Gangue:	Barite, Fluorite, Kaolinite, Quartz, Rhodochrosite, Rhodonite, Sericite, Siderite
Other material:	Pyrite

Production

Operation type:	Unknown
Production size:	Yes
Development status:	Producer
First production started:	1956

Geology

Host rock:	Finlandia Formation;Lower Colqui Formation;Middle Colqui Formation;Upper Colqui Formation;Lourdes Formation
Host type:	Limestone
Associated rock:	Ustro Formation;Llicpe, Grande, Sasca, Piti Stocks
Associated type:	Andesite
Alteration processes:	District Wide Propylitic Alteration, Near Finlandia Vein Changes To Argillic And Closer To Quartz-Sericite Alteration.

References

MRDS	W029829
DEP	10079728
Reference	{Deposit:: BELLIDO BRAVO, E. AND DE MONTREUIL D., L.,1972, ASPECTOS GENERALES DE LA METALOGENIA DEL PERU, P.74, MINISTERIO DE ENERGIA Y MINAS, SERVICIO DE GEOLOGIA Y MINERIA}{Deposit:: ENGINEERING & MINING JOURNAL INTERNATIONAL DIRECTORY OF MINES 1979, P. 321.}{Deposit:: ENGINEERING & MINING JOURNAL INTERNATIONAL DIRECTORY OF MINES 1985, P. 291.}{Deposit:: HEALD, P., FOLEY, N. K, AND HAYBA, D.O., 1987, COMPARATIVE ANATOMY OF VOLCANIC HOSTED EPITHERMAL DEPOSITS: ACID-SULFATE AND ADULARIA-SERICITE TYPES: ECONOMIC GEOLOGY, V. 82, P. 1-26.}{Deposit:: KAMILLI, R.J., AND OHMOTO, H., 1977, PARAGENESIS, ZONING, FLUID INCLUSION, AND ISOTOPIC STUDIES OF THE FINLANDIA VEIN, COLQUI DISTRICT, CENTRAL PERU: ECONOMIC GEOLOGY, V. 72, NO. 6, P. 950-982.}{Production:: E&MJ (1979), WORLD DIRECTORY (1984); CUMULATIVE DATA FROM KAMILLI AND OHMOTO (1977).}
Reporter	Theune, C.T., Page, Norman J.