Porphyry copper deposits result from the complex interactions and feedbacks of many process Owing to the complexity, a succinct definition that includes the essential attributes of this deposit class is elusive Consequently, this descriptive model uses a working definition of a porphyry copper deposit
Aug 20, 2015· Amid turmoil on commodity markets and a relentless drive by mining companies to increase efficiencies, heap leaching has emerged as a breakthrough technology experiencing stunning growth over the .
These processes created the Andes mountain chain that you can see behind the picture of El Teniente (below) , Porphyry copper – Nazca subduction – Global volcanism smithsonian , This is scrubbed from the flue gases to make sulfuric acid for leaching copper from oxide or Scrubbing sulfur dioxide also protects the environment
Jan 10, 2018· January 10, 2018 Preparation commences for comprehensive prefeasibility study following M3 Engineering review VANCOUVER, BC — Quaterra Resources Inc (“Quaterra”, the “Company”) today announced that it has initiated preparation of a comprehensive prefeasibility study on its MacArthur open-pit, oxide-leach copper project MacArthur is located in the northern part of the ,
Porphyry copper deposits are copper orebodies that are formed from hydrothermal fluids that originate from a voluminous magma chamber several kilometers below the deposit itself Predating or associated with those fluids are vertical dikes of porphyritic intrusive rocks from which this deposit type derives its ,
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supergene leaching and enrichment of copper in these depos- , Idealized hypogene alteration pattern and supergene profile for a typical porphyry copper deposit in northern Chile Enrichment is believed to have been promoted by the high pyrite content and low neutralizing capacity characteristic
Porphyry Copper Targeting Under Gra vel Cover in Northern Chile Conference Paper October 2017 CITATIONS 0 READS 181 2 authors: David Wood Colorado School of Mines 5 PUBLICATIONS51 CITA SEE PROFILE Mclean Trott First Quant um Minerals Ltd 3 0 CITATIONS SEE PROFILE All content following this page was uploaded b y David Wood on 26 October 2017
The deposit is a porphyry copper-molybdenum dating from the Archean age The Haib Cu-Mo deposit is arguably the oldest porphyry deposit in the world, which hosts easily identifiable porphyry veins and alteration The principal mineralised hosts at Haib are a quartz feldspar porphyry and a feldspar porphyry ,
Supergene Enrichment - How Natural Processes have Transformed Low-Grade Copper Mineralization into Economic Ores by David F Briggs In “What is a Porphyry Copper Deposit?”, I discussed the general relationships of the primary
Copper porphyry is a form of copper deposit that is often characterized as low-grade, typically with 04% and 10% concentration of copper, and containing other minerals such as gold, molybdenum, and other trace elements in the ore body Copper porphyry deposits are almost always mined in industrial-scale open pit operations
Infrastructure upgrades have opened up new exploration opportunities for copper porphyry deposits in British Columbia Copper is the best electrical conductor of all metals and is used as a key .
copper porphyry processing plant for sale The processing plant will be a conventional copper/gold porphyry processing unit with a throughput, Leaching Porphyry Copper Profile Picture where do we get the leaching machinery for copper mining Chat With Sal agitation leaching tank for copper ore beneficiation line agitation tank for pyrite
Heap leaching is an industrial mining process used to extract precious metals, copper, uranium, and other compounds from ore using a series of chemical reactions that absorb specific minerals and re-separate them after their division from other earth materials Similar to in situ mining, heap leach mining differs in that it places ore on a liner, then adds the chemicals via drip systems to the .
HPGR comminution for optimization of copper leaching W Baum and K Ausburn , fective impact of HPGR for copper leaching (Phelps Dodge, , fractions of porphyry copper ,
Supergene leaching, oxidation, and chalcocite enrichment in porphyry and related Cu deposits take place in the weathering environment to depths of se , Supergene Oxidized and Enriched Porphyry Copper and Related Deposits Author(s) , "Supergene Oxidized and Enriched Porphyry Copper and Related Deposits", One Hundredth Anniversary Volume .
Leaching can result in elevated levels of metals, organic contaminants, or asbestos in water consumed at the tap Health effects and mitigation techniques related to leaching of lead and copper from lead service lines or plumbing materials are addressed in the Lead and Copper Rule (USEPA, 1991) Health effects associated leaching of
Short course manual: Southwest Pacific rim gold-copper systems: Structure, alteration and mineralization, G Corbett & T Leach, 5/97 Edn c) Flexures 47 d) Hanging wall splits 47 e) Ore shoots 47 vii) Structures in time and space 48 viii) Shear sense indicators 49 ix) Porphyry and intrusion -related fracture patterns 50
HEAP AND DUMP LEACH PROCESS AT THE BUCHIM COPPER PROJECT- METALLURGICAL TESTWORK G Savov1, , of Buchim ore deposit is porphyry , To ensure the success of copper leaching project, the .
Copper Major deposit classes Porphyry deposits Porphyry copper deposits are currently the world’s main source of copper (50–60% of world production), molybdenum (99% of world production) and rhenium15 They are also significant sources of gold, silver and tin and a range of by-product metals Porphyry deposits are
An Assessment of Soil Geochemical Methods for Detecting Copper-Gold Porphyry Mineralization through Quaternary Glaciofluvial Sediments at the WBX-MBX and 66 Zones, Mt Milligan, North-Central British Columbia by David R Heberlein1 1 Heberlein Geoconsulting, Suite 325-210 West 2nd St North Vancouver, BC
Extraction of copper from a porphyry ore by simulated in situ leaching techniques was investigated by the Bureau of Mines as a means of recovering copper from deeply buried sulfide deposits , Simulated in Situ Leaching of Copper from a Porphyry Ore , Addition of 1 weight-percent-sodium chloride or 025 percent nitric acid increased copper .
This Technical Resource Document consists of four sections The first is EPA's Profile of the copper industry; the remaining sections are Reports from several site visits conducted by EPA The Profile Section was distributed for review to the US Department of the Interior's (DOI's) Bureau of Mines and Bureau of Land Management; the States of .
Recommended Citation: Briggs, DF, 2015, Recovery of Copper by Solution Mining Methods Arizona Geological Survey Contributed Report CR-115-A, 10 p Recovery of Copper by Solution Mining Methods 1 , at many of the world’s porphyry copper systems that , leaching of copper ,
Copper processing is a complicated process that begins with mining of the ore (less than 1% copper) and ends with sheets of 9999% pure copper called cathodes, which will ultimately be made into products for everyday useThe most common types of ore, copper oxide and copper sulfide, undergo two different processes, hydrometallurgy and pyrometallurgy, respectively, due to the different .
Lindero has been designed as an 18,750 tonnes per day owner operated open pit mine with a pit life of 13 years based on existing mineral reserv Crushed ore will be placed on a leach pad with the pregnant solution pumped to SART 1 and ADR 2 plants prior to electrowining and refining where gold will be poured to doré bars
Jan 10, 2017· Economic geology - Supergene ore deposits , Prominent examples are several Chilean copper porphyry deposits that have important “exotic oxide” Schematic profile of a deeply weathered copper sulphide ore deposit, displaying the supergene “secondary” zonation resulting from redistribution of elements , for example by first leaching .
Supergene oxidation-leaching and secondary sulfide enrichment in the SarCheshmeh porphyry Cu-Mo deposit generated a supergene profile to depths of 20 to 80 meters with oxide ore reserve about 22 Mt @108% Cu and sulfides ore [email protected]% Cu Geochemical distribution and behavior of trace metals associated with
Leaching offers an alternative to copper mining First, the ore is treated with dilute sulphuric ac This trickles slowly down through the ore, over a period of months, dissolving copper to form a weak solution of copper sulphate The copper is then recovered by electrolysis This process is known as SX-EW (solvent extraction/electrowinning)
It demonstrated that MacArthur has the potential for development as a large-scale copper oxide heap leach operation that would provide long-term cash flows for a relatively modest capital outlay , there is no certainty that the production profile concluded in the PEA will be realized , a National Instrument (NI) 43-101 compliant .