Mine detail: El Pachon

Previously called 'Los Pelambres Deposit In ChileBrecha Sur.'

Location:	San Juan, Argentina, South America
Lat / long:	-31.49746, -70.49952
dep_id:	10068830
mrds_id:	W002088
Commodity type:	metallic
Major mineral:	Silver, Copper, Molybdenum, Gold
Operation type:	Unknown
Production size:	No production occurred
Development status:	Prospect
ore:	Barite, Chalcocite, Chalcopyrite, Covellite, Molybdenite, Pyrite
gangue:	Quartz
alteration:	Potassic Alteration (Biotite & Orthoclase), Sericitization, Silicification, Propylitization (Epidote & Chlorite), Tourmalinization & Argillization
conc_proc:	Leached Capping 15-70 M Deep, Enrichment Zone 170m Thick In N., Thin To S.
Reporter:	Davidson, Claire B., Bolm, Karen S., Page, Norman J.
hrock_unit:	Pachon Formation;;Choiyoi Formation
hrock_type:	Granite
arock_type:	Diorite,Dacite
Structure:	North-Trending Folds, Faults Of Varying Lengths And Displacements, And Plutonic Masses
tectonic:	Andean Cordillera And Batholith
disc_yr:	1964
discr:	United Nations, Go* Of Argentina
References:	Deposit:: EL TIEMPO NEWPAPER, MARCH 1973, BOGOTA, COLOMBIA Deposit:: UNITED NATIONS DEVELOPMENT PROGRAMME, 1970, INVESTIGATION OF PORPHYRY COPPER TYPE MINERALIZATION IN THE PROVINCES OF MENDOZA, NEUQUEN AND SAN JUAN, ARGENTINA: NEW YORK, UNITED NATIONS, P. 297 Deposit:: ENGINEERING AND MINING JOURNAL, 1973, EXPLORATION ROUND-UP: ENG. MINING JOUR, V. 174, NO. 5, P. 17 Deposit:: HOLLISTER, V. F., 1973, REGIONAL CHARACTERISTICS OF PORPHYRY COPPER DEPOSITS OF SOUTH AMERICA: MIN. ENG. V. 25, NO. 8, P. 52-58. Deposit:: ANGELELLI, V., 1984, YACIMIENTOS METALIFEROS DE LA REPUBLICA ARGENTINA: LA PLATA, PROVINCIA DE BUENOS AIRES, COMISION DE INVESTIGACIONES CIENTIFICAS, VOL. I, P. 188-189. Deposit:: LITTLE, M.L., 1994, EXPLORATION REVIEW: SOUTH AMERICA: SEG NEWSLETTER, NO. 16, JANUARY4, P. 18. Deposit:: ANON., 1994, ARGENTINA: POISED FOR A NEW METAL MINING ERA? MINING JOURNAL LONDON, V. 323, NO. 8294, P. 224. Deposit:: CAMBIOR, 1994, 3RD QUARTER REPORT TO SHAREHOLDERS, SEPT 30, 1994, P.4. Deposit:: UNITED NATIONS DEVELOPMENT PROGRAMME, 1970, INVESTIGATION OF PORPHYRY COPPER TYPE MINERALIZATION IN THE PROVINCE OF MENDOZA, NEUQUEN, AND SAN JUAN, ARGENTINA: NEW YORK, UNITED NATIONS, P. 297. Deposit:: 1967 UNITED NATIONS, GO OF ARGENTIN Reserve-Resource:: ANGELELLI, 1984, P. 189.