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Chile Magnetite Gold Ore Deposits

Abstract Magnetite is the most important iron ore in iron oxideapatite IOA deposits which represent the Cupoor endmember of the iron oxidecoppergold IOCG clan Magnetite chemistry has been used as a petrogenetic indicator to identify the geological environment of ore formation and as a fingerprint of the source reservoir of iron In this study we present new textural and

  • A review of magnetite geochemistry of Chilean iron oxide

    A Review Of Magnetite Geochemistry Of Chilean Iron Oxide

    Abstract Magnetite is the most important iron ore in iron oxideapatite IOA deposits which represent the Cupoor endmember of the iron oxidecoppergold IOCG clan Magnetite chemistry has been used as a petrogenetic indicator to identify the geological environment of ore formation and as a fingerprint of the source reservoir of iron In this study we present new textural and

  • A review of magnetite geochemistry of Chilean iron oxide

    A Review Of Magnetite Geochemistry Of Chilean Iron Oxide

    Magnetite is the most important iron ore in iron oxideapatite IOA deposits which represent the Cupoor endmember of the iron oxidecoppergold IOCG clan Magnetite chemistry has been used as a petrogenetic indicator to identify the geological environment of ore formation and as a fingerprint of the source reservoir of iron

  • Nikita La Cruz Dissertation Defense UM LSA Earth and

    Nikita La Cruz Dissertation Defense Um Lsa Earth And

    Sep 06 2019 In Chapter 3 I investigated the chemistry of magnetite and apatite from outcrop and drill core samples from five of the seven ore bodies at the El Laco iron oxide apatite deposit in Chile Magnetite grains in the deepest samples have chemistries and textures consistent with growth of magnetite from a silicate melt whereas the chemistries

  • Trace Elements in Magnetite from Universidad de Chile

    Trace Elements In Magnetite From Universidad De Chile

    of the other IOA deposits in the CIB eg El Romeral El Algarrobo and Cerro Negro Norte 3 SAMPLES FROM THE LOS COLORADOS IRON ORE DEPOSIT Samples from dierent depths of three drill cores were analyzed in this study LC04 LC05 and LC14 LC04 and LC05 are drill cores taken from the western magnetite

  • Porphyry Gold Deposits of the Refugio District

    Porphyry Gold Deposits Of The Refugio District

    003 of any porphyrytype deposit The gold deposits are associated with subvolcanic andesitic to dacitic intrusions emplaced into coeval volcanic rocks Both the Verde and Pancho deposits are zoned in space from a deeper zone of banded quartz veinlets associated with chloritemagnetite

  • Freehill Mining nails down El Dorado in Chile as bolton

    Freehill Mining Nails Down El Dorado In Chile As Bolton

    Oct 21 2020 Freehill Mining ASX FHS has completed the acquisition of the El Dorado project in Chile which directly adjoins its existing flagship 67milliontonne Yerbas Buenas magnetite operation In August Freehill reported extensive rock chip sampling and mapping at El Dorado had led to the discovery of three new mineralised targets Highgrade iron copper and gold were present in the rock chip

  • Freehill Mining produces highgrade iron concentrate at

    Freehill Mining Produces Highgrade Iron Concentrate At

    Oct 15 2020 Freehill Mining ASX FHS says metallurgical testing results confirm that high quality of ore at its Yerbas Buenas magnetite project in Chile The successful testing of the diamond core from the 20192020 drilling has been completed as part of a feasibility

  • home Magnetite Mines

    Home Magnetite Mines

    Magnetite Mines Limited is a developmentstage company advancing the Razorback High Grade Iron Ore Concentrate Project located in the Braemar Australias emerging iron ore mining region

  • Mineralogy of the Panulcillo skarn copper deposit

    Mineralogy Of The Panulcillo Skarn Copper Deposit

    The Panulcillo skarn copper deposit belongs to the LambertPanulcillo belt located in the Coquimbo region of Chile and is famous for producing a high grade chalcopyrite ore the mine has produced more than 500000 tons of ore with an average grade of 275 to 35 Cu and 1 to 05 gt Au A Cruzat 1 Camus 1986 Ardila 1993

  • ENVIRONMENTALLY SAFE AND EFFECTIVE OFFSHORE

    Environmentally Safe And Effective Offshore

    Copper Gold and the like from the mountains where these minerals are hugely extracted using heavy earth moving equipments Hence mining of Magnetite Iron Sand and other minerals offshore that are not originally part of the ocean but are just deposited by gushing down of rivers coming from the mineralized mountains

  • Gold in porphyry copper deposits its abundance and fate

    Gold In Porphyry Copper Deposits Its Abundance And Fate

    Oct 01 2002 Whether gold remains in porphyry copper deposits is important both to their economic attractiveness and to the distribution of gold in the upper crust CuAu atomic ratios of porphyry copper ore deposits form a continuous range from about 5000 to 5000000 with a median near 40000 which separates goldrich and goldpoor deposits

  • PorterGeo Database Ore Deposit Description

    Portergeo Database Ore Deposit Description

    Descriptions of major ore deposits world wide Marte amp Lobo are undeveloped porphyry gold deposits at 4200 m asl in the Maricunga district of Chile Location 27 10 19 S 69 1 12 W Both are related to small multiphase 14 to 13 Ma diorite porphyry stocks intruded into

  • Global FeO isotope correlation reveals magmatic origin of

    Global Feo Isotope Correlation Reveals Magmatic Origin Of

    Apr 12 2019 The El Laco apatiteironoxide ore deposit at the Pico Laco volcanic complex in northern Chile consists of seven individual ore bodies which together comprise 500 Mt of mainly magnetite

  • IRON OXIDE COPPERGOLD 177AG 177NB 177P 177REE 177U

    Iron Oxide Coppergold 177ag 177nb 177p 177ree 177u

    Iron oxide coppergold IOCG deposits encompass a wide spectrum of sulphidedeficient lowTi magnetite andor hematite ore bodies of hydrothermal origin where breccias veins disseminations and massive lenses with polymetallic enrichments Cu Au Ag U REE Bi Co Nb P are genetically associated with but either proximal or distal to large

  • Fernando Barra Universidad de Chile

    Fernando Barra Universidad De Chile

    The Geochemistry of Magnetite and Apatite from the El Laco Iron OxideApatite Deposit Chile Implications for Ore Genesis Nikita L La Cruz J Tom s Ovalle Adam C Simon Brian A Konecke Fernando Barra Martin Reich Mathieu Leisen Tristan M Childress September 2020 Congratulations to Tristan on our paper published in Economic Geology

  • From digging to electric fields new

    From Digging To Electric Fields New

    May 16 2021 Many Cu deposits currently deemed Tier 1 such as the Pebble East giant coppergold deposit in Alaska USA and the deeper ore zones at the Escondida porphyry Cu deposit in Chile are

  • A fundamental role of carbonatesulfate melts in the

    A Fundamental Role Of Carbonatesulfate Melts In The

    Sep 21 2020 The magmatichydrothermal evolution of the El Laco deposit Chile and its implications for the genesis of magnetiteapatite deposits Econ Geol 112 15951628 2017

  • 24 Iron oxide coppergold mineral system Geoscience

    24 Iron Oxide Coppergold Mineral System Geoscience

    Iron oxide coppergold IOCG deposits Hitzman et al 1992 are a diverse family of mineral deposits characterised by the following features 1 Cu with or without Au as economic metals 2 hydrothermal ore styles and strong structural controls 3 abundant magnetite andor hematite 4 Fe oxides with FeTi greater than those in most igneous rocks and 5 no clear spatial associations

  • tennant Creek iron oxide copper gold deposits baro

    Tennant Creek Iron Oxide Copper Gold Deposits Baro

    The Nobles Nob deposit was almost entirely within haematite host rocks rather than magnetite but was a very significant gold producing mine It is proof that in this field magnetite alone is not a guide to the ore deposits and that hydrothermal systems are the real target Because the pit was inaccesible all of these analyses are of non

  • Escondida Copper Gold and Silver Mine Atacama Desert

    Escondida Copper Gold And Silver Mine Atacama Desert

    The Escondida coppergoldsilver mine is located in the arid northern Atacama Desert of Chile about 160km southeast of the port of Antofagasta at an elevation of 3050m above sea level The mine is a joint venture between BHPBilliton 575 Rio Tinto 30 a Japanese consortium 10 and the International Finance Corporation 25

  • Technical Report for the Candelaria Copper Mining

    Technical Report For The Candelaria Copper Mining

    Candelaria Copper Mining Complex is indirectly owned by Lundin Mining Corporation Lundin 80 percent and Sumitomo Metal Mining Co Ltd and Sumitomo Corporation collectively Sumitomo 20 percent Lundin is a diversified base metals mining company with operations Chile the USA Portugal and Sweden producing copper nickel zinc and lead

  • Magnetite South Australias potential

    Magnetite South Australias Potential

    The iron oxide mineral magnetite as Fe 3 O 4 has a mass percent of 7236 Fe and 2764 O and typically occurs as a natural ore containing 1540 Fe Historically hematite direct shipping ore DSO has been the preferred source of iron ore globally with significant resources located on several continents including Australia in the Hamersley Range Western Australia

  • Preliminary Model of Porphyry Copper Deposits

    Preliminary Model Of Porphyry Copper Deposits

    Molybdenum gold and silver are the economically most important byproducts Trace Constituents Rhenium and platinumgroup metals are recovered from some deposits Aug and others 2005 reported the occurrence of platinumgroupmetalbearing tellurides and arsenides in an assemblage of magnetite chalcopyrite and bornite in the porphyry

  • Iron Oxide CopperGold Deposits Geology SpaceTime

    Iron Oxide Coppergold Deposits Geology Spacetime

    Jan 01 2005 Many diverse ore systems are classified together as iron oxide coppergold IOCG deposits based on an empirical definition arising primarily from geochemical features that do not specify tectonic setting geologic environment or sources of oreforming fluid metals or other ore components Such deposits have 1 Cu with or without Au as

  • Trace element geochemistry of magnetite from the Cerro

    Trace Element Geochemistry Of Magnetite From The Cerro

    May 27 2019 It follows that the magnetite ore in each Chilean IOA deposit eg Los Colorados El Romeral El Laco and Cerro Negro Norte is the result of different events and that the trace elements incorporated into or remobilized from the magnetite grains reflect a strong temperature control however other factors such as the composition of the

  • Minerals Free FullText Silician Magnetite from the

    Minerals Free Fulltext Silician Magnetite From The

    Silicabearing magnetite was recognized in the Copiap Nordeste prospect as the first documented occurrence in Chilean iron oxidecoppergold IOCG deposits The SiO2rich magnetite termed silician magnetite occurs in early calcic to potassic alteration zones as orderly oscillatory layers in polyhedral magnetite and as isolated discrete grains displaying perceptible optical differences

  • Using the Geochemistry of Magnetite and Apatite to Gain

    Using The Geochemistry Of Magnetite And Apatite To Gain

    In Chapter 3 I investigated the chemistry of magnetite and apatite from outcrop and drill core samples from five of the seven ore bodies at the El Laco iron oxide apatite deposit in Chile Magnetite grains in the deepest samples have chemistries and textures consistent with growth of magnetite from a silicate melt whereas the chemistries

  • Revision 1 Magnetite spherules in pyroclastic iron ore

    Revision 1 Magnetite Spherules In Pyroclastic Iron Ore

    1 1 Revision 1 2 Magnetite spherules in pyroclastic iron ore at El Laco Chile 3 4 JAN OLOV NYSTR M1 FERNANDO HENR QUEZ2 JOS ANARANJO3 AND H 5 RICHARD NASLUND4 6 7 1Department of Geosciences Swedish Museum of Natural History SE10405 Stockholm 8 Sweden 9 2Departamento de Ingenier a en Minas Universidad de Santiago de Chile 9170019 Santiago

  • Magnetite Iron Ore Nickel Minerals Zinc amp Lead Minerals

    Magnetite Iron Ore Nickel Minerals Zinc Amp Lead Minerals

    Jan 25 2013 Admiraltys flagship projects are the iron ore districts in Chile Harper South 2498 Ha Pampa Tololo 3455 Ha and El Cojin 600 Ha The districts are located in prime locations with close and easy access to the PanAmerican Highway a major route a

  • The geochemistry of apatite from the Los Colorados iron

    The Geochemistry Of Apatite From The Los Colorados Iron

    Feb 15 2019 Sillitoe RH 2003 Iron oxidecoppergold deposits an Andean view Mineral Deposita 38787812 Article Google Scholar Sillitoe RH Burrows DR 2002 New field evidence bearing on the origin of the El Laco magnetite deposit northern Chile Econ Geol 97511011109 Google Scholar

  • IOCG Deposits A Cordilleran Perspective

    Iocg Deposits A Cordilleran Perspective

    oxides magnetite andor hematite with anomalousbut not necessarily economiccontents of copper and gold and mineralogy similar to the diversity seen globally Williams et al 2005 Most are closely related in broadly coeval intrusive centers likely exceptions being the detachment CuAuhematite deposits

  • The Association of Gold and Magnetite Gold Mining and

    The Association Of Gold And Magnetite Gold Mining And

    Feb 21 2011 One common type of gold deposit is one where the gold is associated with the mineral magnetite where the gold is formed in skarns of granular magnetite The mineral has a chemical formula Fe 3 O 4 that is often found in contact metamorphosed areas associated with intrusions of magma into carbonate or silicocarbonate rocks the intrusion itself is usually granite or monzonite

  • Photos of gold ores quartz telluride gold ore and gold

    Photos Of Gold Ores Quartz Telluride Gold Ore And Gold

    This piece of gold ore does not look very spectacular but millions of tons of this material have revolutionized gold mining across the world It is a sediment hosted bulk gold deposit This gold ore is typical of a great series of deposits extending north and south from near Carlin Nevada have yielded millions of ounces of gold Over the last

  • Texture and composition of magnetite in the Duotoushan

    Texture And Composition Of Magnetite In The Duotoushan

    The Duotoushan deposit is an important FeCu deposit in the AqishanYamansu metallogenic belt of eastern Tianshan NW China Magnetite occurs in two main habits which are common in many FeCu deposits ie platy T D1 Mag and granular magnetite T D2 Mag have been identified at Duotoushan Platy magnetite shows two different zones bright and dark based on the observations by

  • Magmatic Ore Deposits in Layered

    Magmatic Ore Deposits In Layered

    ore deposits containing most of the worlds economic concentrations of platinumgroup elements PGE figs 1 and 2 These deposits are mined primarily for their platinum palladium and rhodium contents table 1 Magmatic ore deposits are derived from accumulations of crystals of metallic oxides or