Producer

La Escondida

Chile
CopperMolybdenumZincSilverGoldLead
⌖ Show on mapUSGS source ↗
Description

Minera Utah De Chile Inc. And Getty Mining Inc.

Commodities
PrimaryCopper
SecondaryMolybdenum, Zinc, Silver, Gold, Lead
Commodity typeM
Deposit
Deposit sizeS
Ore controlAlong Falla Oeste
Materials
Ore mineralsBornite, Chalcocite, Chalcopyrite, Covellite, Galena, Molybdenite, Sphalerite
GangueBiotite, Chlorite, Feldspar, Goethite, Hematite, Jarosite
Geology
Host rockDiorite,Andesite
Associated rockDiorite,Andesite
Tectonic settingAndes
AlterationSilicic, Phyllic, And Argillic Zones 5km X 9km; Propylitic Halo Is 2km X 3km. Also Potassic Alteration. A Correlation Is Displayed Between Hypogene Alteration Mineralogy And Mobility Of Copper In The Supergene Environment.
Economic & production
Development statusProducer
Discovery year1981
Identification
Deposit ID10058041
MRDS IDTC03767
Alternate namesEcondida
RegionSA
Data scoreB
Coordinates-24.25084, -69.08284
References
RUIZ, C. Y PEEBLES, F., 1988, YACIMIENTOS METALIFEROS DE CHILE: SANTIAGO, 334 P.MINING JOURNAL, 1990 (24 AUGUST), P. 142.ORTIZ, F. Y OTROS, 1985, RESENA TECNICA DEL DESCUBRIMIENTO DEL YACIMIENTO DE PORFIDO CUPRIFERO LA ESCONDIDA: IV CONGRESO GEOLOGICO CHILENO.SILLITOE, R.H., 1988, EPOCHS OF INTRUSION-RELATED COPPER MINERALIZATION IN THE ANDES: S. AM. JOUR. EARTH SCI., 1, P. 89-108.OJEDA, F.J.M., 1986, ESCONDIDA PORPHYRY COPPER DEPOSIT, II REGION, CHILE: EXPLORATION DRILLING AND CURRENT GEOLOGICAL INTERPRETATION, IN: MINING LATIN AMERICA, IMM, LONDON, P. 299-318.MINERIA CHILENA, 1989, P. 73.PUIG, A., 1988, GEOLOGIC AND METALLOGENIC SIGNIFICANCE OF THE ISOTOPIC COMPOSITION OF LEAD IN GALENAS OF THE CHILEAN ANDES: EG, 83, P. 843-858.BORIC, R., DIAZ, F., AND MAKSAEV, V., 1984, COMPLEMENTO MAPA METALOGENICO, II REGION: GERENCIA DE DESAROLLO, SANTIAGO, (12VOLS.).ANON., 1994, ESCONDIDA JULY OUTPUT: MINING JOURNAL LONDON, OCTOBER 7, 1994, V. 323, NO. 8296, P. 255.SHILLINGS, D.N., JR., 1988, MINERA ESCONDIDA LTDA. TO PROCEED WITH WORLD'S LARGEST COPPER DEVELOPMENT: SKILLING'S MINING REVIEW, MAY 14, P. 4-7.ALPERS, C.N., AND BRIMHALL, G.H., 1989, PALEOHYDROLOGIC EVOLUTION AND GEOCHEMICAL DYNAMICS OF CUMULATIVE SUPERGENE METAL ENRICHMENT AT LA ESCONDIDA, ATACAMA DESERT, NORTHERN CHILE: ECONOMIC GEOLOGY, V. 84, P. 229-255.ALPHERS, C.N., AND BRIMHALL, G.H., 1988, MIDDLE MIOCENE CLIMATIC CHANGE IN THE ATACAMA DESERT, NORTHERN CHILE: EVIDENCE FROM SUPERGENE MINERALIZATION AT LA ESCONDIDA: GEOLOGICAL SOCIETY OF AMERICA BULLETIN, V. 100, P. 1640-1656.CIMRIMINING JOURNAL, (1990); ANON. (1994).MINERIA CHILENA, 1989.