iron oxide copper gold ore processing

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Copper Industry Feature–Iron Oxide Copper Gold IOCG

Iron oxide copper gold IOCG deposits are a recently recognised class of deposit blessed with valuable by products but faced with product quality challenges These deposits which account for 5 of global mined copper possess diverse mineralogy with by products including gold uranium silver and iron ore.

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Some Experiments in Prehistoric Copper Smelting

Only after the iron has been removed by selective oxidation and slagging does the copper sulfide begin to oxidize When the copper rich and iron free matte begins to oxidize above the melting point of the matte a new reaction takes place The copper oxide reacts with copper sulfide to yield copper metal and a sulfur dioxide effluent.

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CNA

The invention discloses a method for extracting gold from copper oxide oxidized gold ores The method comprises the following steps 1 carrying out ammonia cyanide leaching on the copper oxide oxidized gold ores to obtain an ore pulp 2 adding hypochlorite into the ore pulp and stirring to remove copper in order to obtain a copper removed ore pulp 3 carrying out

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Seismic Reflection Surveys in Search for Iron Oxide Copper Gold

Seismic Reflection Surveys in Search for Iron Oxide Copper Gold IOCG Deposits DOI 10.9790/0990 iosrjournals 41 Page Figure 4 5 by 2 km Geological Model of Vulcan Deposit used for forward modelling 2.2 Modelling and Processing of Synthetic Data

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Modeling the Role of Sodic Alteration in the Genesis of Iron Oxide Copper

Liberation of iron and potassium by widespread postmetamorphic albitization of country rocks was one of the likely contributing processes in the formation of both barren and mineralized magnetite ± chalcopyrite biotite gold hematite clinopyroxene actinolite apatite ironstones in the Cloncurry district of the Proterozoic Mount Isa block.

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BHP might have made the biggest copper discovery in recent history

28 11 2018  Iron oxide copper gold ore deposits IOCG like Olympic Dam can be tremendously large high grade and simple to process concentrations of copper gold and uranium ores Olympic Dam which is aiming to produce 215 000 tonnes of copper for FY19 is the third largest copper equivalent deposit the largest uranium deposit and third largest gold

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Heap Leaching Is it something that could be an alternative to conventional gold

29 11 2019  Ultimate recovery of the target mineral can range from 30 of contained run of mine dump leaching sulfide copper ores to over 90 for the ores that are easiest to leach some oxide gold ores The significant advantage of the heap leaching method over conventional leaching and recovery techniques is that heap leaching consumes less than 0.3 ton of water for one ton of ore.

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Overview

IOCG Iron Oxide Copper Gold Mine Type Conventional Open Pit Process Conventional Crush Grind Flotation Expected Mine life 1 15 years Expected Average Annual Production 1 Approx 106 Mlbs of copper equivalent Approx 100 Mlbs of copper and approx 14 koz of gold Copper Recovery 1 87 Copper Feed Grade 1 0.46 After tax NPV

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Geometallurgical Characterization of South Georgian Complex Copper Gold Ores

This type of mineralogy led approach has already been used for other complex ores such as iron oxide copper gold ores Hunt Berry and Bradshaw 2011 for iron ores Lund Lamberg and Lindberg 2013 and for Kupferschiefer ore deposits Rahfeld et al 2018 .The project started with process audits and mineralogical and chemical characterization of process samples

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MINERAL PRODUCT PRICING STUDY

Iron oxide ores usually follow a processing path where the copper is leached from the surrounding rock The ore is first heaped into piles in special leaching areas and a sulphuric acid solution is sprayed over the heap to gradually dissolve the copper separating it from the surrounding gangue.

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Extraction of Metals Methods Processes Involved Minerals and Ores

07 05 2021  For example gold silver platinum and copper are found in the free state Copper and silver are also found in the combined state as their sulphide or oxide ores The metals at the top of the activity series K Na Ca Mg and Al are so reactive that they are never found in nature as free elements.

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SOME IMPORTANT ORES OF METALS

Their sulphide ores are partially roasted to give some oxide This oxide is now reduced to the metal by the remaining sulphide ore at elevated temperatures in the absence of air The process is known as self reduction or auto reduction Self reduction for Pb This process is mainly used for the extraction of highly electropositive metals.

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A Poor Man s Method of Smelting Gold

22 05 2018  You can remove the most common metals found in gold ore copper zinc and lead using elements that bond with oxygen at lower temperatures than gold This oxidation process will make copper oxide zinc oxide and lead oxide all of which are less dense than pure gold and will float to the top of your crucible allowing the slag to be sloughed off.

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Drilling Program Commences on Iron Oxide Copper Gold Targets

Drilling Program Commences on Iron Oxide Copper Gold Targets A 6 955 metre RC drilling commenced at the highly prospective Prospector Area on 1 June 2008 Drilling is to target Iron Oxide Copper Gold Mineralisation Drilling will test targets within a large prospective area approximately 12km by 2km

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Primary Metal Production

When the ore is melted the molten copper dissolves the arsenic As a result gold and platinum and their oxides are unstable and easily reduced As we move down toward the bottom of the diagram An iron ore blast furnace is a typical example of a shaft furnace.

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BHP might have made the biggest copper discovery

28 11 2018  Iron oxide copper gold ore deposits IOCG like Olympic Dam can be tremendously large high grade and simple to process concentrations of copper gold and uranium ores Olympic Dam which is aiming to produce 215 000 tonnes of copper for FY19 is the third largest copper equivalent deposit the largest uranium deposit and third largest gold

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ORE DEPOSIT TYPES AND THEIR PRIMARY EXPRESSIONS K.G

Iron oxide copper gold deposits Olympic Dam Ernest Henry Tennant Creek Cu U Au Ag REE S F Cu Au Bi Syn deformational hydrothermal and replacement deposits Metamorphic copper deposits Mount Isa Nifty Metasediment hosted polymetallic deposits Elura CSA Peak New Cobar Hera Tritton Replacement deposits possibly magmatically related

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Recovering Gold from Copper Concentrate via the HydroCopper Process

Recovering Gold from Copper Concentrate via the HydroCopperTM Process Olli Hyvärinen Matti Hämäläinen resources of oxidized copper ores the long leaching time of chalcopyrite bThe main components of the leach residue are iron oxides and elemental sulfur It also contains silicates of the concentrate and some gypsum.

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Using trace element chemistry of magnetite as an indicator mineral at the Starra iron oxide

12 02 2021  Iron Oxide Copper Gold IOCG deposits are hydrothermal ore deposits that occur worldwide and globally account for significant amounts of copper gold and uranium They are defined by large scale potassic sodic and iron alteration that often extend several kilometres from the mineralised centre making it difficult to differentiate between fertile and barren alteration

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Santo Domingo Iron Copper Gold Mine Region III

24 09 2021  Copper mineralisation occurs in the form of brochantite chrysocolla pitch limonite cuprite and chalcocite Open pit mining and processing at the Chilean Santo Domingo deposit Santo Domingo is part of the Iron Oxide Copper Gold IOCG belt in northern Chile.

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HEAP LEACHING TECHNIQUE in MINING

metal ores <1 copper <1g/ton gold < 0.5 nickel previously considered uneconomical became feasible with introduction of heap leaching technologies Marsden 2009 In consideration of ore types a generalized diagram showing the applicable ore beneficiation technologies for oxide and sulphide ores versus ore grade is given in Figure 2.

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Extracting iron and copper

09 10 2021  Extracting iron and copper Ores Unreactive metals such as gold are found in the Earth s crust as the uncombined elements Iron III oxide is reduced to molten iron when it reacts with carbon.

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A Research Review of Iron Oxide Copper‐Gold Deposits

26 08 2016  Iron oxide copper‐gold IOCG deposits are a research focus of the current ore deposit geology and have attracted much attention among the worldwide geologists and exploration experts due to their shallow depth a wide variety of mineral species and large scale.

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Hematite Breccia Hosted Iron Oxide Copper Gold Deposits

The Prominent Hill deposit is a large iron oxide copper gold IOCG resource located in the Olympic IOCG province of South Australia The deposit is hosted by brecciated sedimentary rocks and structurally underlying lavas of the ca 1.6 Ga Gawler Range Volcanics Both rock units are altered and mineralized forming characteristic hematite breccias.

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iron oxide gold ores leaching « BINQ Mining

15 06 2013  gold ore recovery by electrostatic method YouTube 23 Jul 2012 Figure 13 shows the beneficiation process for iron ores and Figure 14 and low grade ores may go to leach dumps or gold bearing oxide More detailed

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Formation of giant iron oxide copper gold deposits by

15 09 2021  Iron oxide copper gold IOCG systems are among the world s richest mineral deposits making for highly profitable mining operations 1 2 3.By product strategic elements including Co U and REE

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Iron oxide copper gold IOCG mineral potential assessment for

Iron oxide copper gold IOCG mineral systems are a desirable undercover exploration target due to their large alteration footprint and potentially high metal content To assist in understanding the potential for IOCG mineral systems beneath cover in the Tennant Creek to Mount Isa region as part of Exploring for the Future a predictive mineral potential assessment has been

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North Australian Craton iron oxide copper gold IOCG mineral

Following the successful outcomes of the Tennant Creek Mt Isa TISA mineral potential assessment Murr et al 2019 Skirrow et al 2019 the methodology has been expanded to encompass the entire North Australian Craton NAC Like its predecessor this assessment uses a knowledge based data rich mineral systems approach to predict the potential for iron oxide copper gold

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Gediktepe Project Balikesir province Western Turkey

The contained metal within the sulphide ore includes 509 000oz of gold 19.008Moz of silver 170 000t of copper and 368 000t of zinc Mining and ore processing at Gediktepe The conventional open pit mining method involving excavators and trucks will be applied to extract oxide and sulphide ore from the Gediktepe polymetallic mine.

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Major Mines Projects

The major challenges to the copper gold fl otation process are a wide size distribution of chalcopyrite mineralisation and poor primary grind liberation a high pyrite content in skarn ore requiring aggressive pyrite depression conditions clay rich gangue and nonsulfi de copper mineralisation in weathered zones and a signifi cant association of gold with pyrite.

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Australia s largest Vanadium in magnetite deposit

leach processing into high purity vanadium pentoxide titanium dioxide and iron oxide products Corporate Overview 2 Board of Directors Vanadium Fluorite Gold Copper Mt Remarkable Gold WA NT Speewah Project Mt Remarkable Project WA Tenements Trudi Vein drill pad 16.

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Minerals

The chemistry of hydrothermal monazite from the Carrapateena and Prominent Hill iron oxide copper gold IOCG deposits in the IOCG rich Gawler Craton South Australia is used here to define geochemical criteria for IOCG exploration in the Gawler Craton as follows Monazite associated with IOCG mineralisation La Ce > 63 wt where La > 22.5 wt and Ce gt 37

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LEACHING OF LOW GRADE COPPER ORES A CASE STUDY FOR

copper which are also found in ore deposits of copper can be converted into a soluble form by leaching where the chemistry of the process is simple Copper carbonates and oxides are present mainly in the oxidation zone oxide hats above the sulphide deposits Sulphide copper minerals chalcocite

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tennant Creek iron oxide copper gold deposits baro acoustic

Here the copper and gold occurred as close but distinctly separate pods within the magnetite chlorite quartz host rock Magnetite comprises more than 50 of the host rock Samples of magnetite show intense and very variable decrepitation patterns indicating a complex hydrothermal history during ore deposition.

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Notes OCCURRENCE AND EXTRACTION OF METALS

Native Metals Gold Au silver Ag Oxide ores Iron Haematite Fe 2 O 3 Aluminium Bauxite Al 2 O 3 2H 2 Copper India does not have rich copper ore deposits In this process finely powdered ore is mixed with either pine oil or eucalyptus oil.

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The leaching and adsorption behaviour of gold ores

4.3.1 The effect of copper 101 4.3.2 The role of iron 106 4.3.3 The role or nickel 107 4.3 .4 The role of silver 109 4.3.5 Theroleofzinc 109 4.4 THE EFFECT OF COPPER CYANIDE ON GOLD LEACHING FROM OXIDE AND SULPHIDE ORES 110 4.5 SUMMARY 114 CHAPTERS PREG ROBBING PHENOMENA IN THE CYANIDATION OF GOLD ORES 116

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