Past Producer

El Abra

Chile
MolybdenumCopper
⌖ Show on mapUSGS source ↗
Commodities
PrimaryMolybdenum, Copper
Commodity typeM
Deposit
Model53: Porphyry Cu
Deposit sizeL
Materials
Ore mineralsAntlerite, Atacamite, Bornite, Brochantite, Chalcocite, Chalcopyrite, Chrysocolla, Copper, Cuprite, Digenite, Enargite, Galena, Molybdenite, Pyrite, Sphalerite, Tennantite, Tenorite
GangueLimonite, Magnetite, Quartz, Tourmaline
Geology
Host rockDacite · Southern Granodiorite, El Abra Pluton;El Abra Diorite;El Abra Quartz Monzonite;El Abra Pluton;
Associated rockDiorite · Mesa Granite;East Side Granite;Pajonal Diorite
StructureFalla Oeste (Ns-Trending).
AlterationPotassic, K-Spar And Biotite; Phyllic, Sericite And Quartz Widespread, Sericite And Kaolinite And Pyrophyllite And Quartz; Propylitic, Poorly Outside Developed Ring; Tourmalinization, Small Irregular Breccias Are Erratically Distributed In The El Abra Diorite And Outside Immediate Area; Supergene Alteration To Depths Of 30 Dm, Kaolinite, Montmorillonite, Zeolites.
Economic & production
Development statusPast Producer
Discovery year1540
Identification
Deposit ID10099525
MRDS IDTC40328
Alternate namesOjo De Gallo, Conchi, Viejo Mine Are Mines In Same Area. Oja Del Gallo Mine., Maria Vein
RegionSA
Data scoreA
Coordinates-21.91422, -68.82618
References
AMBRUS, J., 1977, GEOLOGY OF THE EL ABRA PORPHYRY COPPER DEPOSIT, CHILE: ECONOMIC GEOLOGY, V. 72, NO. 6, P. 1062-1085.RUIZ FULLER, CARLOS, 1965, GEOLOGIA Y YACIMIENTOS METALIFEROS DE CHILE, ED. INSTITUTO DES INVESTIGACIONES GEOLOGICAS DE CHILE, EDITORIAL UNIVERSITARIA S.A.SUTULOV, ET. AL., 1965, EL COBRE CHILENO, ED. CORPORACION DEL COBRE EDITORIAL UNIVERSITARIA 1975.FRUTOS, J. AND PINCHEIRA, M., 1986, FINCHAS METALOGENICAS DE YACIMIENTOS MINERALES METALICOS CHILENOS, IN FRUTOS, J., OYARZUN, J., AND PINCHEIRA, M., EDS., GEOLOGIA Y RECURSOS MINERALES CHILENOS: UNIVERSIDAD DE CONCEPCION, CONCEPCION, P. 841-888.RUIZ, C. AND PEEBLES, F., 1988, YACIMIENTOS METALIFEROS DE CHILE: SANTIAGO, 334 P.BORIC, R., DIAZ, F., AND MAKSAEV, V., 1984, COMPLEMENTO MAPA METALOGENICO, II REGION: GERENCIA DE DESARROLLO, SANTIAGO (12 VOLS).IIG, 1974, INDEITO #406 & 1890.ALVAREZ, O., Y ARACENA, I., 1982, EL ABRA, UNO DE LOS GRANDES YACIMIENTOS DE COBRE AUN NO EXPLOTADAS: REVISTA MINERALES, 37, P. 25-35.LITTLE, M.L., 1993, EXPLORATION REVIEW: SOUTH AMERICA: SEG NEWSLETTER, V. 15, OCTOBER 1993, P. 14.SILLITOE, R.H., 1988, EPOCHS OF INTRUSION-RELATED COPPER MINERALIZATION IN THE ANDES: JOUR. S. AM. EARTH SCI., 1, P. 89-108.LASOTA, P.S., 1992, OPEN-PIT MINING IN CHILE: MINING ENGINEERING, APRIL 1992, P. 307-310.LITTLE, M.L., 1994, EXPLORATION REVIEW: SOUTH AMERICA: SEG NEWSLETTER, NO. 16, JANUARY '94, P. 17.CIMRIAMBRUS (1977).AMBRUS, 1979; ALVAREZ & ARACENA (1982). LITTLE (1993).