The bornite dominated linear copper deposit explored by the Geological Survey of India during the last two decades in the southeast of Khetri Copper Belt is known as Nim Ka Thana Copper Belt. Bornite is the major primary ore of copper along with chalcopyrite and chalcocite (Mukhopadhyay 2014; Sharma et al. 2015).
DetailsThe complete reaction of chalcopyrite at ≥220 °C under pressure oxidation conditions (10 or 20% w/w pulp density, PO2 700 kPa) is a clean process producing a residue consisting of hematite and ...
DetailsBornite is typically found as a secondary mineral in chalcopyrite and chalcocite deposits in copper-molybdenum and copper-gold ores. Chalcocite, although scarce, is still found as a primary mineral and has proved to be one of the most profitable copper ores to mine as it produces copper concentrates ranging from 37% to 40% compared, for example ...
DetailsCopper minerals can be broadly classified into sulfide minerals, oxide minerals, and native copper. The most common copper mineral is chalcopyrite, a sulfide mineral that contains about 34% copper by weight. Other important copper minerals include bornite, chalcocite, and malachite. These minerals can occur in a wide range …
DetailsThis chapter describes the important copper ore chalcopyrite (abbrv. ccp), as seen with optical, reflected light microscopy. Compositional data, main properties and optical parameters are first summarized (introductory table and preliminary remarks). The microscopic description of the ore is then presented, following a systematic scheme.
Detailsprimary chalcocite can be replaced by chalcopyrite and bornite at all stages. Secondary chalcocite is replaced by acanthite, native silver and some other silver minerals, cuprite, native copper, covellite and oxidized copper ores such as malachite and others. Replacement structures can be found in all copper deposits, at any level
DetailsChalcocite is an important copper mineral ore. It has been mined for centuries and is one of the most profitable copper ores. ... copper, cuprite, tetrahedrite, bornite, tennantite, chalcopyrite, covellite, pyrite and other sulfides. Notable Occurrences include Bristol, Connecticut, Butte, Montana, Morenci and Bisbee, Arizona and ...
DetailsExtraction of copper from sufidic ores, either by pyrometallurgy or hydrometallurgy, has various limitations. In this study, a solvometallurgical process for the extraction of copper from sulfidic ore minerals (chalcopyrite, bornite, chalcocite and digenite) was developed by using an organic lixiviant (FeCl 3 as oxidizing agent and ethylene glycol (EG) as …
DetailsHere, we draw on microscopic observations and SEM-BSE-EDS results, secondary hypogene genesis for some of bornite and chalcopyrite as a hypogene enrichment …
DetailsThe most common copper mineral is chalcopyrite, a sulfide mineral that contains about 34% copper by weight. Other important copper minerals include bornite, chalcocite, …
DetailsIt is found in various minerals, including chalcopyrite (CuFeS2), bornite (Cu5FeS4), chalcocite (Cu2S), cuprite (Cu2O), malachite (Cu2CO3(OH)2), and azurite …
DetailsIn this study, a solvometallurgical process for the extraction of copper from sulfidic ore minerals (chalcopyrite, bornite, chalcocite and digenite) was developed by using an organic lixiviant ...
DetailsChalcopyrite is a mineral and ore of copper. Its chemical composition is CuFeS2, meaning it contains copper (Cu), iron (Fe), and sulfur (S). Chalcopyrite is one of the most important copper ores and is widely distributed in various geological environments. ... Bornite: Mineral information, data and localities.. [online] Available at: …
Detailsglobal copper resources are sulfide ores, where most of the copper is in the form of covellite (CuS), chalcocite (Cu 2S), chalcopyrite (CuFeS 2) and bornite (Cu 5FeS 4). Covellite and chalcocite are surface deposits and can be treated economically, but these resources are largely exhausted.
DetailsIn the mining of porphyry copper ores, the deposit is usually divided into metallurgical units that have three different destinations: ... A comparative study of electrochemical behavior of chalcopyrite, chalcocite and bornite in sulfuric acid solution. Int. J. Miner. Process., 67 (2002), pp. 17-28, 10.1016/S0301-7516(02)00003-0.
DetailsIt was found generally as sooty to coarsely crystalline granular masses in the supergene zone, where it formed one of the mine's primary ore materials. It was associated with …
DetailsChalcopyrite is an important ore of copper found in a wide range of hydrothermal environments. It is often associated with sphalerite and galena. It oxidizes to form …
DetailsAbstract. Extraction of copper from sufidic ores, either by pyrometallurgy or hydrometallurgy, has various limitations. In this study, a solvometallurgical process for the extraction of copper from sulfidic ore minerals (chalcopyrite, bornite, chalcocite and digenite) was developed by using an organic lixiviant (FeCl 3 as oxidizing agent and …
DetailsA thermodynamic and kinetic model is proposed to explain the formation of bornite, chalcopyrite, and magnetite during partial roasting of enargite-containing copper concentrates. The proposed mechanism involves solid–solid–gas and solid–gas reactions between chalcocite, pyrrhotite, gaseous sulfur, and oxygen. Bornite formation could be …
DetailsCopper processing - Ores, Refining, Smelting: Principal forms in which copper ores are found include native copper, porphyry copper, massive deposits, and mixed ores. Native copper is simply the metal found unadulterated in nature. Occasionally copper is still found in its native form, but more frequently it is mixed with other minerals, some of which may …
DetailsExtraction of copper from sufidic ores, either by pyrometallurgy or hydrometallurgy, has various limitations. In this study, a solvometallurgical process for the extraction of copper from sulfidic ore …
DetailsThe most significant chalcopyrite deposits to be mined are hydrothermal in origin. In these, some chalcopyrite occurs in veins and some replaces country rock. Associated ore minerals include pyrite, sphalerite, bornite, galena, and chalcocite. Chalcopyrite serves as the copper source for many secondary mineral deposits.
DetailsRecoverable economic copper sulphide minerals such as chalcopyrite, bornite, chalcocite and covellite often occur together in varying proportions in the major copper-bearing ores, and have individual flotation requirements and characteristics. Pyrite also occurs in these ores to varying extents as the sulphide gangue, and is problematic …
DetailsCopper ore is a mineral deposit that contains copper in concentrations high enough to be economically extracted and processed. Copper ore minerals include chalcopyrite, …
DetailsChalcopyrite has been the primary ore of copper since smelting began over five thousand years ago. Some chalcopyrite ores contain significant amounts of zinc substituting for …
DetailsChalcocite is an important copper ore. It has a high copper content and the process of extracting the copper from the sulfur in Chalcocite is relatively easily. Chalcocite is also …
DetailsThe primary commercial use of bornite is as an ore for copper. It has been a major ore of copper across the world. However, most bornite today is collected by mineral enthusiasts. The stunning iridescent colors make it a highly desirable mineral specimen. Quality bornite has become popular and fast-selling at mineral and gem shows.
DetailsTypical occurrences are found in Mount Lyell, Tasmania; Chile; Peru; and Butte, Mont., U.S. Bornite, one of the common copper minerals, forms isometric crystals but is seldom …
DetailsThe primary copper-bearing sulfide minerals found in porphyry copper deposits include chalcopyrite (CuFeS 2), chalcocite (Cu 2 S), bornite (Cu 5 FeS 4), enargite (Cu 3 AsS 4), tennantite (Cu 12 As 4 S 13) and Luzonite (Cu 3 AsS 4) (Filippou et al., 2007; Table 2).
DetailsChalcopyrite, bornite, pyrite and chalcocite Dormant mine Total resources3 6.1 Mt @1.33% Cu, 12 g/t Ag Kamzwas Cu Sediment-hosted strataboun d Cu-Ag Nosib and Hakos Groups () Malachite, bornite, chrysocolla, chalcopyrite, chalcocite, Active mining license Resources4: Orebody 1: 17 Mt @ 1.35% Cu Orebody 2: 42 Mt @ 2.40% Cu …
DetailsA comparative study of the electrochemical behavior of different copper sulfide minerals (chalcopyrite, bornite and chalcocite) in sulfuric acid solutions was performed.
DetailsChalcocite is formed either as a primary vein mineral or, more typically, in supergene deposits where it forms as a result of the redeposition of copper from the breakdown of minerals such as chalcopyrite or bornite. Chalcocite is distinguished with difficulty from digenite (Cu9S5) and djurleite (Cu31S16), both of which may form by the leaching of …
DetailsThe wettability and floatability of oxidized chalcocite, bornite, and chalcopyrite with the conditions of sodium hydrosulfide (NaHS) dosages and pHs were studied by contact angle measurements, and ...
DetailsThe mineral system characteristics of the Sudbury Ni-Cu-Co-PGE sulfide ore deposits. Peter C. Lightfoot, in Nickel Sulfide Ores and Impact Melts, 2017 The principal Cu-Fe-S minerals. The principal Cu-Fe-S minerals are chalcopyrite, cubanite, and bornite (Table 4.2).Chalcopyrite accounts for by far the major part of the Cu in the Sudbury deposits.
DetailsChalcocite, Bornite, Chalcopyrite, Covellite, Pyrite, Galena, and Sphalerite: Dolomitic shales: Syngenetic sedimentary (Sawlowicz, 2013) Cu-Ag deposit: ... Bornite, as a copper sulfide ore with low rest potential, is usually leached preferentially. Then, due to its preferential dissolution, it provides a relatively lower redox potential for ...
DetailsThus, the paragenetic sequence of minerals deposited, as shown in this photomicrograph, is: pyrite (earliest) - chalcopyrite - bornite - chalcocite (latest). Butte, Montana copper ores. Ore microscopy, reflected light, high magnification. Local open space filling texture in lead-zinc ores from the peripheral zone at Butte.
DetailsChalcocite forms from the alteration of other minerals, especially other copper sulfides such as Bornite, Covellite, and Chalcopyrite, and may also form pseudomorphs after these minerals. It often forms in association with Chrysocolla, with the Chrysocolla forming as an alteration around the Chalcocite.Chalcocite is named after the Greek word …
DetailsUpon surface exposure, bornite will weather to chalcocite or other copper minerals. Bornite is a popular and fast-selling mineral specimen at museums, mineral shows, and tourist shops. However, some material sold as "peacock ore" has a tarnish with spectacular colors - greatly exceeding what is expected on bornite.
DetailsCopper can be extracted from various types of ores, most of which belong to the sulfidic ores such as chalcopyrite, bornite, covellite, digenite and chalcocite. Chalcopyrite is the most common copper-bearing mineral and accounts for approxi-mately 70% of the copper deposits in the world.1 At present,
DetailsThis chapter describes the important copper ore Chalcocite (abbrv. cc), as seen with optical, reflected light microscopy. Compositional data, main properties and optical parameters are first summarized (introductory table and preliminary remarks). ... Typical companions in hypogene formations are chalcopyrite, bornite, sphalerite, …
DetailsPE series jaw crusher is usually used as primary crusher in quarry production lines, mineral ore crushing plants and powder making plants.
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