Crushing & Grinding Machines

Zaldívar Sulphide copper mine project Report Wood Mackenzie

The Zaldívar deposit is located at an average elevation of 3300m above sea level and forms part of a large Tertiary porphyry copper system that also includes the Escondida mine As of 2012 Zaldívar was primarily an open-pit heap leach copper mine An analysis of this...

Zaldívar mine Zaldívar deposit La Escondida Mine

Zaldívar mine Zaldívar deposit La Escondida Mine Escondida El Loa Province Antofagasta Chile Porphyry copper deposit No specimens are allowed out of this mine - all will be confiscated and destroyed Located N of Escondida and approx 175 km SE of Antofagasta city...

Overheated Cu

The Zaldivar porphyry copper deposit Northern Chile consists of two major intrusions the 290 Ma Zaldivar and the more recent Miocene 387 Ma Llamo porphyry Five types of inclusions have been identified in quartz phenocrysts from Llamo porphyry including melt inclusions M and four types of fluid inclusions called MS multi solids B...

Overheated Cu

Overheated Cu-bearing magmas in Zaldivar Porphyry Copper Deposit Northern Chile Geodinamic evidence By E drs Campos JLR Touret I Nikogosian J Delgado and P Morales No static citation data No static citation data Cite...

The tops and bottoms of porphyry copper deposits

Porphyry copper deposits are normally located in the basement beneath a comagmatic volcanic pile which is transected by a column of hydrothermal alteration representing the upper parts of the porphyry copper system This alteration consists of propylitic and argillic types with localized patches of silicification and advanced argillic alteration...

New thermochronologic constraints on the evolution of the

Dec 23 2008 0183 32 Life spans and thermal evolution of hydrothermal systems are of fundamental metallogenic importance We were able to establish the chronology and cooling history of the Zaldívar porphyry copper deposit Northern Chile by applying a combination of different isotopic dating methods in minerals with different closure temperatures including 40Ar/39Ar geochronology and...

Overheated Cu

Feb 01 2002 0183 32 The Zaldívar porphyry copper deposit Northern Chile consists of two major intrusions the 290 Ma Zaldívar and the more recent Miocene 387 Ma Llamo porphyry Five types of inclusions have been identified in quartz phenocrysts from Llamo porphyry including melt inclusions M and four types of fluid inclusions called MS multi solids B brines G vapor-rich and W aqueous...

Hydrothermal Processes Related to Movement of Fluid From

At the Zaldívar porphyry Cu mine zircon and biotite have been analyzed from a similar synmineralization feldspar-biotite-quartz porphyry the Llamo porphyry the zircon U-Pb age is 387 177 13 Ma whereas the weighted mean 40 Ar/ 39 Ar plateau age of igneous biotite is slightly younger at 3740 177 018 Ma U-Pb dating of two other rhyolitic...

PDF Mineralogical mass balancing by dissolution

In both cases mineralogy has played a major role in process selection and development 71 Copper Zaldivar porphyry copper ore The Zaldivar porphyry copper ore is located in northern Chile about 1 400 km north of Santiago and 175 km east of Antofagasta at an altitude of 3100 m above sea level Lamberg et al 1996...

Minerals Free Full

Copper extraction from primary copper sulfide ore from a typical porphyry copper deposit from Antofagasta Chile was investigated after leaching with a chloride-ferrous media at two temperatur The study focused on whether this chemical leaching system could be applied at an industrial scale Leaching tests were conducted in columns loaded with approximately 50 kg of agglomerated ore the...

Types of Ore Deposits

LIST OF ORE DEPOSIT TYPES PORPHYRY BASE METAL-MOLYBDENUM-GOLD SYSTEMS A Porphyry-Hosted 1 Porphyry Molybdenum Systems a Low Fluorine Type - Examples Boss Mountain Endako Hall Kitsault Thompson Creek...

Society of Economic Geologists Foundation Inc Student

copper oxide/porphyry system is closely associated with the Chuquicamata system Spence which we will visit on Wednesday is one of the newest deposits to come into production El Tesoro represents an exotic copper system and is near the Sierra Gorda tourmaline breccia Cu-Mo systems We will wrap up on Friday with a visit to Zaldivar...

Zaldívar Copper Mine

Mar 26 2020 0183 32 The Zaldívar porphyry copper deposit is situated on the western margin of the Atacama Plateau in northern Chile The deposit is part of a large Tertiary porphyry copper system which includes the scondida porphyry copper deposit This porphyry complex occurs within the large West Fissure structural system which controls most of the large...

New thermochronologic constraints on the evolution of the

Life spans and thermal evolution of hydrothermal systems are of fundamental metallogenic importance We were able to establish the chronology and cooling history of the Zaldívar porphyry copper deposit Northern Chile by applying a combination of different isotopic dating methods in minerals with different closure temperatures including 40...

Actualización de la Geología del Yacimiento Zaldívar

Gabgeo Ltda Tres tomos Informe inédito Compañía Minera Zaldivar 4 Sillitoe R 2008 Comments on hypogene mineralization at the Zaldívar Porphyry Copper Deposit Northern Chile Informe inédito Compañía Minera Zaldivar 17pp 5 Morales P 2009 en prep Edad y Geología de la Zona Hipógena del Yacimiento Zaldívar II Región Chile...

Minera Escondida

Minera Escondida which means hidden in Spanish is a mining company that operates two open pit copper mines in the Atacama Desert 170 km southeast of Antofagasta in northern ChileIt is currently the highest producing copper mine in the world Its 2007 production of 1483 million tons of the metal was worth US 1012 billion mainly as metal in concentrate but some as cathode and was 95...

Chile January 3

Jan 03 2014 0183 32 Alteration types at Zaldivar are typical of copper porphyry systems The Atacama plateau which rises above the Atacama desert has a mean elevation of about 4000 meters 13000 feet The Atacama region has been called the driest desert in the world It receives fewer than 15 cm 6 inches of rain per year...

Significance of high temperature fluids and melts in the

Mar 20 2019 0183 32 Campos et al 2006 reported multiphase inclusions with total salinities between 63 and 74 wt NaCl equiv and homogenisation temperatures up to 900 176 C in magmatic quartz phenocrysts from the Zaldívar porphyry copper deposit of northern Chile...

USGS Mineral Resources On

Escondida Escondida Norte Zaldivar La Escondida Chile CILE-24265-690716666666667 37 3872 177 017 to 349 177 041 11158 0769 00062 025 5 20c 0 39a exotic copper cu-au and cu-ag veins 297-24-15-54-69-4-18 breccia granodiorite porphyry quartz monzonite porphyry rhyolite porphyry skarn andesite conglomerate diorite granodiorite limestone sandstone 1981 1990 45 16 57 11 9...

Super Porphyry 2003

The Cuajone porphyry copper-molybdenum deposit is one of a trio of major porphyry centres the others being Toquepala and Quellaveco spread over a north-west trending interval of 30 km some 100 km south-east of Arequipa and 42 km north-east of Moquegua in southern Pe...

Geologic Controls on Hypogene Mineralization at the

The porphyry copper mineralization at the Zaldívar deposit is confined to a NE-striking corridor of early- and late-intermineral granodioritic and dacitic porphyry intrusions and associated magmatic-hydrothermal breccia bodi...

rge 150 91100 Molybdenite Mineralization and Re

porphyry deposit was discovered 5 km north of the Escondida pit as the result of an extensive exploration campaign Williams 2003 The overall Cu resources contained in this porphyry copper cluster including the Escondida Escondida Norte and Zaldívar deposits Fig 1 is then estimated to exceed 3000 Mt Molyb-...

Metals Minerals and Society

at the Zaldívar Porphyry Copper-Gold-Molybdenum Deposit Escondida District Northern Chile 13 Cerro Verde-Santa Rosa Copper-Molybdenum Deposits Peru Magmatic Hydrothermal and Supergene Characteristics of Two Adjacent Porphyry Systems 14 Discovery Geologic Setting and Controls on Iron Mineralization South Flank Western Australia 15...

PDF New thermochronologic constraints on the evolution

New thermochronologic constraints on the evolution of the Zaldívar porphyry copper deposit Northern Chile...

PDF Exhumation history and timing of supergene copper

Supergene copper mineralization processes occur during the unroofing of porphyry copper deposits However the geomorphological stage during which the main mineralization occurs is still under debate...

PorterGeo Database

Escondida is a giant supergene enriched open pit porphyry copper deposit located in northern Chile some 160 km to the east-south-east of Antofagasta Location 24 176 16 17 S 69 176 4 13 W Escondida is currently the largest copper producing mine complex in the world with an annual output of more than 800 000 tonnes of fine copper and capacity of 12 Mt pa...