Tacna
Producer

Toquepala Mine

Tacna, Peru
CopperMolybdenumSilverGoldZinc
⌖ Show on mapUSGS source ↗
Description

O.C. Schmedeman (Cerro De Pasco Copper Corp.)

Commodities
PrimaryCopper, Molybdenum, Silver
SecondaryGold
TertiaryZinc
Commodity typeM
Deposit
Deposit typeStockwork
Model53: Porphyry Cu79: Porphyry Cu-Mo
Deposit sizeL
WorkingsSurface
Orebody formMUSHROOM SHAPED
Ore controlBreccias Comprise A Large Part Of The Altered Rock And The Orebody. N50-55e 500m Wide Shear Zone
Materials
Ore mineralsBornite, Chalcocite, Chalcopyrite, Molybdenite, Sphalerite
GanguePyrite, Quartz, Tourmaline
Geology
Host rockRhyolite · Toquepala
Associated rockDiorite,Volcanic Breccia (Agglomerate),Dacite · Toquepala Pluton (Dacite);Yarabamba Subunit (Diorite);Cret-Etert
StructureIncapuquio (Micalaco) Fault N50w With A Possible Sinistral Component Of Shear
Tectonic settingMagmatic Arc
AlterationHydrothermal Alteration - The Zone Of Alteration Is Slightly Larger Than The Ore Body, In Contrast To Most Porphyry Copper Deposits. Alteration Fades Out Gradually Around The Periphery Of The Ore Body. Alteration Is Characterized By Nearly Complete Conversion Of All Rock Types. To Quartz And Mixed Sericite And Clay With Concomitant Destruction Of Original Textures. Areas Of Strongest Alteration Generally Have The Highest Sulfide Content Particularly Of Chalcopyrite
Economic & production
Development statusProducer
First production1959
Discovery year1937
Identification
Deposit ID10068788
MRDS IDW002039
Alternate namesPampa Negra, Toquepala Copper Mine
RegionSA
Data scoreB
Coordinates-17.26435, -70.6079
References
MCMAHON, A. D., 1965, COPPER, A MATERIALS SURVEY, USBM I.C. 8225, P. 63MINISTERIO DE ENERGIA Y MINAS, 1969, ASPECTOS GENERALES DE LA METALOGENICA DEL PERU. MINISTERIA DE ENERGIA Y MINAS, LIMA, PERU, 95 P.PERU-MAPA METALOGENETICO, 1969, AND, GUIA PARA EL MAPA METALOGENETICO DEL PERU, SOCIEDAD NACIONAL DE MINERIA Y PETROLEO, LIMA, PERU, NOV. 1969LAUGHLIN, A.W., DAMON, P.E., AND WATSON, B.N., 1968, POTASSIUM-ARGON DATES FROM TOQUEPALA AND MICHIQUILLAY, PERU: ECONOMIC GEOLOGY, V.63, P. 166-168.CLARK, A.H., ET AL, 1990, GEOMORPHOLOGIC ENVIRONMENT AND AGE OF SUPERGENE ENRICHMENT OF THE CUAJONE, QUELLAVECO, AND TOQUEPALA PORPHYRY COPPER DEPOSITS: ECON GEOL 85: 1604-1628.CLARK, A.G., ET AL, 1990, GEOLOGIC AND GEOCHRONOLOGIC CONSTRAINTS ON THE METALLOGENIC EVOLUTION OF THE ANDES OF SOUTHEASTERN PERU: ECON GEOL 85: 1520-1583.BOGGIO, M.S. 1986, PERU: A MINING COUNTRY, INGEMMET, P. 174-188.CAVANAGH, J., AND GLOVER, M., EDS., 1991, THE PERU REPORT'S GUIDE TO MINES AND MINERS IN PERU: LIMA, PERU REPORTING SERVICIOS EDITORIALES S.R.L., P. 291-292.MINING MAGAZINE, 1993, PERUVIAN COPPER: MINING MAGAZINE, APRIL 1993, P. 181-182.ANON., 1994, PERU SPCC PRODUCIRA POR LIXIVIACION 35.000 TON/ANO DE CATODOS: LATINOMINERIA, AUGUAT 1994, P.12.1936 DIREXPL CERRO DE PASCO1945 DIREXPL NORTHERN PERU MINING AND SMELTING CO.1955 DIREXPL NORTHERN PERU MINING CORPORATION1960 COMPILE FRANK SIMONS - UNPUBLISHED REPORT P. 916-925.CIMRI1-5) WORLD MINING, P. 95, SEPT. 1976 ENG. MNG. J., NOV. 1984, P. 62; CAVANAGH AND GLOVER (1991)ESTIMATED BY REPORTER 2/73