Mine detail: Atacocha

Previously called 'Ore Bodies: 1, 2, 3, 4, 5And Many Other Unnamed Veins.Veins: A,B,C,D, Veta Prima, Adela No. 1,'

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Location

Lat / long:

-10.53236, -76.19555

Resource(M)

Primary:	Lead, Zinc, Silver
Secondary:	Gold, Copper
Ore:	Alabandite, Chalcopyrite, Galena, Jamesonite, Malachite, Marcasite, Orpiment, Pyrite, Realgar, Sphalerite, Tennantite
Gangue:	Calcite, Fluorite, Gypsum, Limonite, Phlogopite, Quartz, Rhodochrosite, Sericite
Orebody form:	IRREGULAR
Discovery year:	1677

Production

Operation type:	Unknown
Production size:	Yes
Development status:	Producer
First production started:	1936

Geology

Host rock:	Pucara Formation;Goyllarisquisga Formation;Mitu Group;
Host type:	Shale,Sandstone,Limestone
Associated rock:	Nitu Group;Nitu Group;Mitu Group;
Associated type:	Diorite,Sandstone,Limestone,Chert,Dacite
Structure:	Strongly Folded Rocks Cut By Normal And Reverse Faults And A Cross Fold In Limestone Above Atacocha Mine. East Limb Of Anticline East Of Mine And South Plunging Syncline West Of Mine Separated By Thrust (Reverse Fault)., The Atacocha Fault And An Assymetrical South Plunging Syncline
Tectonic:	Andean Cordillera
Alteration processes:	Silicification Most Common; Argillization

References

MRDS	W001993
DEP	10068751
Reference	{Deposit:: JOHNSON, R. F. 1955, GEOLOGY OF THE ATACOCHA MINE, DEPARTMENT OF PASCO, PERU. ECON. GEOL. VOL. 50, NO. 3, P. 249-270}{Deposit:: PERU-MAPA METALOGENETICO, 1969, AND, GUIA PARA EL MAPA METALOGENETICO DEL PERU, SOCIEDAD NACIONAL DE MINERIA Y PETROLEO, LIMA, PERU, NOV. 1969}{Deposit:: PETERSON, U., 1962, GENESIS OF ORE DEPOSITS IN THE ANDES OF CENTRAL PERU, CERRO DE PASCO CORP., EXPLORATION DIVISION, P. 147-151.}{Deposit:: COMMINIQUE, AMERICAN EMBASSY, PERU.}{Deposit:: CAVANAGH, J., AND GLOVER, M., 1991, THE PERU REPOR * GUIDE TO MINES AND MINERS IN PERU: LIMA, PERU, PERU REPORTING SERVICIOS EDITORIALES S.R.L., P. 84-87.}{Deposit:: JOHNSON, R.F., LEWIS, R.W., JR., AND ABELE C., G., 1955, GEOLOGY AND ORE DEPOSITS OF ATACOCHA DISTRICT, DEPARTAMENTO DE PASCO, PERU: U.S. GEOLOGICAL SURVEY BULLETIN NO. 975 E, P. 337-384.}{Deposit:: JOHNSON R.F., LEWIS R.W., AND GUILLERMO, A.C., 1955, GEOLOGY AND ORE DEPOSITS OF THE ATACOCHA DISTRICT, DEPARTMENTO DE PASCO, PERU: U.S. GEOLOGICAL SURVEY BULLETIN.}{Deposit:: 1928 GEOLMAP CERRO DE PASCO}{Deposit:: 1960 COMPILE SIMONS F. S. UNPUBLISHED REPORT}{Deposit:: 1929 GEOLMAP CERRO DE PASCO}{Deposit:: 1948 GEOLMAP CERRO DE PASCO}{Deposit:: 1952 GEOLMAP JOHNSON R. F. AND LEWIS R. W. - USGS BULL. 975E}{Other Database:: CIMRI}{Production:: 1-7) LA MINERIA EN EL PERU, ANUARIO MINERO COMERCIAL 1977; 8 AND 9) AMERICAN EMBASSY, PERU; 1985-1990 IS CAVANAUGH AND GLO(1991). JOHNSON (1955). JOHNSON AND OTHERS (1955).}
Reporter	Goudarzi, Gus H. (Theune, C. T.), Bolm, Karen S., Page, Norman J.