Mine detail: Julcani Mining District

Previously called 'Mimosaand Carmencita Mines Formed Julcanic Complex In 1953, Tentadora Added In 1954LucreciaEstrellaSacramentoHerminiaBuenaventur
* JulcaniSanto Domingo-San Jose Mines'

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Location

Lat / long:

-12.96453, -74.80798

Resource(M)

Primary:	Silver, Lead
Secondary:	Tungsten, Gold, Bismuth, Copper
Tertiary:	Zinc, Antimony, Arsenic
Discovery year:	1586

Production

Operation type:	Unknown
Deposit type:	FISSURE VEINS, EPITHERMAL
Production size:	Yes
Development status:	Producer
First production started:	1937

Geology

Structure:	ANTICLINE (NE TO SW), INTERSECTION OF A NE TO SW FAULT WITH A NW TO SE FAULT., VOLCANIC CENTERS ALONG AXIS OF A BROAD NORTH TRENDING ANTICLINE INTRUDED BY CALC-ALKALIC MAGMAS AND ASSOCIATED VOLCANICS. AT LEAST 6 MINERALIZED CENTERS.
Alteration processes:	SERICITIC, SILICIC, ARGILLIC, PYRITIC, PROPYLITIC, ADVANCED ARGILLIC; ALTERATION ZONES HAVE VUGGY QUARTZ CENTER WITH SUCCESSIVE QUARTZ-ALUNITE AND QUARTZ KAOLINITE ENVELOPES., SILICIC; ALTERATION ZONES HAVE VUGGY QUARTZ CENTER WITH SUCCESSIVE QUARTZ-ALUNITE AND QUARTZ KAOLINITE ENVELOPES., ARGILLIC, ADVANCED ARGILLIC

References

MRDS	W002014
DEP	60001590
Reference	{Deposit:: PERU-MAPA METALOGENETICO, 1969, AND, GUIA PARA EL MAPA METALOGENETICO DEL PERU, SOCIEDAD NACIONAL DE MINERIA Y PETROLEO, LIMA, PERU, NOV. 1969}{Deposit:: ENGINEERING MINING JOURNAL:INTERNATIONAL DIRECTORY OF MINING AND MINERAL PROCESSING OPERATIONS,1972,PG.200.}{Deposit:: GOODELL, P.C., AND PETERSEN, ULRICH, 1974, JULCANI MINING DISTRICT, PERU: A STUDY OF METAL RATIOS: ECONOMIC GEOLOGY, V. 69, P. 347-361.}{Deposit:: PETERSON, ULRICH, NOBLE,D.C., ARENAS, M.J., AND GOODELL, P.C., 1977, GEOLOGY OF THE JULCANI MINING DISTRICT, PERU: ECONOMIC GEOLOGY, V. 72, P. 931-949.}{Deposit:: PETERSEN, U., 1962, GENESIS OF ORE DEPOSITS IN THE ANDES OF CENTRAL PERU, CERRO DE PASCO CORP., EXPLORATION DIVISION, P. 161-164.}{Deposit:: MOSIER AND OTHERS, 1986, GEOLOGIC AND GRADE-TONNAGE INFORMATION ON TERTIARY EPITHERMAL PRECIOUS- AND BSE-METAL VEIN DISTRICTS ASSOCIATED WITH VOLCANIC ROCKS: U.S. GEOLOGICAL SURVEY BULLETIN 1666, 39 P.}{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. 101-103.}{Deposit:: LUETH, V.W., GOODELL, P.C., AND PINGITORE, N.E., JR., 1990, ECODING THE EVOLUTION OF AN ORE SYSTEM IN BISMUTHINITE-STIBNITE COMPOSITIONS JULCANI, PERU: ECONOMIC GEOLOGY, V. 85, P. 1462-1472.}{Deposit:: NOBLE, D.C. AND VIDAL, C.E., 1994, GOLD IN PERU: SEG NEWSLETTER, APRIL 1994, NO. 17, P. 1, 6-13.}{Deposit:: DEEN, J.A., RYE, R.O., MUNOZ, J.L., AND DREXLER, J.W., 1994, THE MAGMATIC HYDROTHERMAL SYSTEM AT JULCANI, PERU: EVIDENCE FROM FLUID INCLUSIONS AND HYDROGEN AND OXYGEN ISOTOPES: ECONOMIC GEOLOGY, V. 89, NO. 8, P. 1924-1938.}