Commodities
PrimaryCopper
SecondaryMolybdenum
Commodity typeM
Deposit
Deposit sizeN
Orebody formARCUATE IN HORIZONTAL SECTION
Ore controlMineralization Probably Associated With Intrusion Ofandean Batholith
Materials
Ore mineralsChalcanthite, Chalcocite, Chrysocolla, Malachite, Pyrite
GangueChlorite, Epidote, Hematite, Jarosite, Limonite, Sericite, Tourmaline
Geology
Host rockAndesite
Associated rockDiorite · Quartz Porphyry, Uppermost Part Of Andean Batholith;Diorite Of Andean Batholith;Andesite
StructureNorth-Trending Broad, Open Folds, Faults Of Varying Lengths And Displacements, And Plutonic Masses
Tectonic settingAndean Cordillera And Batholith
AlterationThree Zones Of Hydrothermal Alteration Recognized In Andesite: Peripheral Chlorite-Epidote-Tourmaline-Pyrite Stage Is Earliest. Intermediate Is A 200 X 1200 M Serictte-Clay-Quartz Zone Grading Inward To Chlorite-Sericite And Sericite-Argillite Zones. Central Silicified Zone Is 1200 X 600 M And Related To Sulfides. Phyllic, Argillic, Propylitic, Potassic
Economic & production
Development statusProspect
Identification
Deposit ID10068737
MRDS IDW001978
Alternate namesMocha
RegionSA
Data scoreB
Coordinates-19.81927, -69.2812
References
RUIZ, F., CARLOS, 1965, GEOLOGIA Y YACIMIENTOS METALIFEROS DE CHILE: INST. INV. GEOL. CHILE, 305 P. (SPANISH)UNITED NATIONS DEVELOPMENT PROGRAMME, 1967, MINERAL SURVEY OF NORTHERN CHILE: NEW YORK, UNITED NATIONS, P. 37-38FRUTOS, 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.PEREZ, G., 1970, MEMORIA DE TITULO: UNIVERSIDAD DE CHILE, SANTIAGO.SILLITOE, R.H., 1988, EPOCHS OF INTRUSION-RELATED COPPER MINERALIZATION IN THE ANDES: JOUR. S. AM. EARTH SCI. , 1, P. 89-108.PACCI, D. Y CACERES, R., 1980 INVENTARIO DE YACIMIENTOS METALICOS Y NO-METALICOS, PRIMERA REGION, TARAPACA: IIG, SANTIAGO.PEREZ, GABRIEL, 1962, INFORME PRELIMINAR DE MOCHA: CHILE INST. INV. GEOL., UNPUBLISHED INFORMATION (SPANISH).UNITED NATIONS DEVELOPMENT PROGRAMME, 1967, MINERAL SURVEY OF NORTHERN CHILE: NEW YORK, UNITED NATIONS, P. 37-38.1962 COMPILE INSTITUTO INVESTIGACIONES GEOLOGICAS CHILE1963 GEOCHEM UNITED NATIONS1963 GEOPHSY CANADIAN AERO MINERAL SURVEYSCIMRI