Mine detail: Mocha Cu Deposit

Previously called 'Mocha'

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Location

Lat / long:

-19.81927, -69.2812

Resource(M)

Primary:	Copper
Secondary:	Molybdenum
Ore:	Chalcanthite, Chalcocite, Chrysocolla, Malachite, Pyrite
Gangue:	Chlorite, Epidote, Hematite, Jarosite, Limonite, Sericite, Tourmaline
Orebody form:	ARCUATE IN HORIZONTAL SECTION

Production

Operation type:	Unknown
Production size:	None
Development status:	Prospect

Geology

Host type:	Andesite
Associated rock:	Quartz Porphyry, Uppermost Part Of Andean Batholith;Diorite Of Andean Batholith;Andesite
Associated type:	Diorite
Structure:	North-Trending Broad, Open Folds, Faults Of Varying Lengths And Displacements, And Plutonic Masses
Tectonic:	Andean Cordillera And Batholith
Alteration processes:	Three 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

References

MRDS	W001978
DEP	10068737
Reference	{Deposit:: RUIZ, F., CARLOS, 1965, GEOLOGIA Y YACIMIENTOS METALIFEROS DE CHILE: INST. INV. GEOL. CHILE, 305 P. (SPANISH)}{Deposit:: UNITED NATIONS DEVELOPMENT PROGRAMME, 1967, MINERAL SURVEY OF NORTHERN CHILE: NEW YORK, UNITED NATIONS, P. 37-38}{Deposit:: 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.}{Deposit:: RUIZ, C. AND PEEBLES, F., 1988, YACIMIENTOS METALIFEROS DE CHILE: SANTIAGO, 334 P.}{Deposit:: PEREZ, G., 1970, MEMORIA DE TITULO: UNIVERSIDAD DE CHILE, SANTIAGO.}{Deposit:: SILLITOE, R.H., 1988, EPOCHS OF INTRUSION-RELATED COPPER MINERALIZATION IN THE ANDES: JOUR. S. AM. EARTH SCI. , 1, P. 89-108.}{Deposit:: PACCI, D. Y CACERES, R., 1980 INVENTARIO DE YACIMIENTOS METALICOS Y NO-METALICOS, PRIMERA REGION, TARAPACA: IIG, SANTIAGO.}{Deposit:: PEREZ, GABRIEL, 1962, INFORME PRELIMINAR DE MOCHA: CHILE INST. INV. GEOL., UNPUBLISHED INFORMATION (SPANISH).}{Deposit:: UNITED NATIONS DEVELOPMENT PROGRAMME, 1967, MINERAL SURVEY OF NORTHERN CHILE: NEW YORK, UNITED NATIONS, P. 37-38.}{Deposit:: 1962 COMPILE INSTITUTO INVESTIGACIONES GEOLOGICAS CHILE}{Deposit:: 1963 GEOCHEM UNITED NATIONS}{Deposit:: 1963 GEOPHSY CANADIAN AERO MINERAL SURVEYS}{Other Database:: CIMRI}
Reporter	Davidson, Claire B., Williams, William C.