Commodities
PrimaryCopper, Lead, Silver, Zinc
TertiaryGold
Commodity typeM
Deposit
Deposit sizeY
Orebody formIRREGULAR
Ore controlThickest Ore Bodies Occur Where Competent Chert And Incompetent Shale Are Interlayered
Materials
Ore mineralsArgentite, Bornite, Cerargyrite, Chalcocite, Chalcopyrite, Covellite, Enargite, Galena, Marcasite, Pyrite, Silver, Sphalerite, Stromeyerite, Tennantite
GangueBarite, Chert, Fluorite, Hematite, Kaolinite, Opal, Quartz, Siderite, Uraninite
Geology
Host rockLimestone · Paria Formation
Associated rockShale,Sandstone,Limestone · Marcapunta Porphyry Stock;Excelsior Formation, Mitu Group;Pucara Group;Pocobamba Formation, Clara Member;Unish Tuff
StructureN-S Striking Anticline Whose Flanks Are Cut By Nw Striking Reverse Faults That Dip N. E., Beds Of The Clara Member Are Folded Into A Major Syncline To The W. And Minor Syncline And Tight Anticline
Tectonic settingAndean Cordillera
AlterationEach Individual Bed Is Flanked Outward Successively By Kaolinized, Pyritized, Or Slightly Mineralized Shale With Or Without Chert; Argillaceous Material With Hematite Nodules And Finally Shaly And Carbonate Rocks. Silicification (Black Cherty Silica) Is Associated With Ore.
Economic & production
Development statusProducer
First production1912
Discovery year1677
Identification
Deposit ID10068759
MRDS IDW002004
RegionSA
Data scoreA
Coordinates-10.74792, -76.24972
References
F. S. SIMONS 1960 (USGS) UNPUBLISHED REPORT P.1377-1388MINISTERIO DE ENERGIA Y MINAS, 1969, ASPECTOS GENERALES DE LA METALOGENICA DEL PERU. P. 68; MINISTERIO DE ENERGIA Y MINAS. SERVICIO DE GEOLOGIA Y MINERIA, LIMA, PERUPERU-MAPA METALOGENETICO, 1969, AND, GUIA PARA EL MAPA METALOGENETICO DEL PERU, SOCIEDAD NACIONAL DE MINERIA Y PETROLEO, LIMA, PERU. NOV. 1969BRISKEY, JOE, 1989, UNPUBLISHED DATA.MCKINSTRY, H.E., 1936, GEOLOGY OF THE SILVER DEPOSIT AT COLQUIJIRCA, PERU: ECONOMIC GEOLOGY, V. 31, NO. 6, P. 618-635.LINDGREN, W., 1935, THE SILVER MINE AT COLQUIJIRCA, PERU: ECONOMIC GEOLOGY, V. 30, NO. 4, P. 331-346.NOBLE, D.C., AND VIDAL, C.E., 1994, GOLD IN PERU: SEG NEWSLETTER, APRIL 1994, NO. 17, P. 1,6-13.1960 COMPILE F. S. SIMONS - UNPUB. REPORF. S. SIMONS (USGS) UNPUB. REPORT P. 1377A; BRISKEY (1989); LINDGREN (1935).