Commodities
PrimaryCopper
SecondaryMolybdenum
Commodity typeM
Deposit
Deposit sizeM
WorkingsUnderground
Orebody formCIRCULAR
Ore controlAndean Diorite Complex And Aplite Intrusives, Mineralization Present In Numerous Nw-Trending Fractures As & Disseminations In Host Rocks
Materials
Ore mineralsAntlerite, Atacamite, Chalcocite, Chalcopyrite, Covellite, Malachite, Molybdenite
GangueHematite, Magnetite, Pyrite, Tourmaline
Geology
Host rockTonalite,Dacite · Conglomerate & Felsic Extrusive Rocks, Altos De Pica Formation;Marine & Continental Sedimentary Unit, Sandstone, Shale, Conglomerate
Associated rockDiorite · Andean Diorite Complex, Includes Aplite Intrusive;Extrusive & Hypabyssal Mafic Volcanic Rocks, May Include Chert Unit Of Unknown Age
StructureNorth-Trending Broad Open Folds, Faults Of Varying Lenghts And Displacements And Plutonic Masses, Regional Inclination Of Strata 12 Deg. W. Some Nw-Trending Normal Faults
Tectonic settingAndean Cordillera And Batholith
AlterationIntense Alteration In Host Rocks As A Result Of The Aplite Intrusive. Phyllic, Argillic, Propylitic, Silicic
Economic & production
Development statusPast Producer
Identification
Deposit ID10068730
MRDS IDW001971
RegionSA
Data scoreB
Coordinates-20.0426, -69.2762
References
RUIZ, F., CARLOS, 1965, GEOLOGIA Y YACIMIENTOS METALIFEROS DE CHILE: INST. INV. GEOL. CHILE, 305 P. (SPANISH)KNOWLES, P. H., AND OTHERS, 1964, EXPLORACION DE MINERALES RADIACTIVOS EN CHILE, PROV. TARAPACA AND ANTOFAGASTA: CHILE INST. INV. GEOL. ROL. 18, PT. I, P. 22-32 (SPANISH)FRUTOS, J. AND PINCHEIRA, M., 1986, FICHAS 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.NEUMANN, H., 1973, MEMORIA DE TITULO, UNIVERSIDAD DE CHILE, SANTIAGO.PACCI, D. Y CACERES, R., 1980 INVENTARIO DE YACIMIENTOS METALICOS Y NO-METALICOS, PRIMERA REGION, TARAPACA: IIG, SANTIAGO.THOMAS, A., 1967, CUADRANGULO MAMINA.THOMAS, ARTURO, 1962, GEOLGICA DEL YACIMIENTO CUPRIFERO DE CERRO COLORADO-MAMINA: CHILE INST. INV. GEOL., UNPUB. INF. (SPANISH).1958 RECON U.S. ATOMIC ENERGY COMM. & IIG1962 COMPILE INSTITUTO INVESTIGIONES GEOLOGICA CHILE (IIG)CIMRI