comparison of oxide and sulphide copper ore deposits

Copper Ore Types: Sulfides vs. Oxides - Investing News NetworkApr 21, 2011 . Oxides. A look at the different types of copper ore and how they're processed. . Massive sulfide deposits containing copper ore are formed via the flow . of massive sulfide deposits, there is an important difference — instead.comparison of oxide and sulphide copper ore deposits,enrichment of sulphide ores - USGS Publications WarehouseDistinctions between primary and secondary deposits........ 12. Physical ... Net results of chemical changes during oxidation of certain ores... 78. Relative rate of . Processes of sulphide enrichment compared with the process of separating the" metals in .. Copper deposits with deeply oxidized zones...........

Flotation of mixed copper oxide and sulphide minerals with xanthate .The ore mined is from a primary copper sulphide deposit with separate additional deposits of . ore. Bornite has a higher copper content compared to the oxide.comparison of oxide and sulphide copper ore deposits,Differences Between Sulfides And Oxides | Difference BetweenMay 7, 2013 . Besides gold, diamonds, silver, copper, and bronze, which most . First, what you have to understand is that sulfides are minerals that contain sulfur. . Oxides are those minerals that contain oxide anions, or oxygen, with ice.

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Sources of Copper Ore | Copper Development Association of South .

Copper is usually deposited as copper sulfide minerals or in some . During millions of years the mineral deposit may be exposed to oxygen by air penetration . copper oxide ores, as the cost of leaching is cheap when compared to the cost of.

pdf_file_(16.8Mb) - Department of Geosciences - University of Arizona

Many diverse ore systems are classified together as iron oxide copper-gold (IOCG) . many examples of the latter contain sulfide minerals, Cu, and Au. . A comparison of larger and well-described IOCG deposits illustrates the geologic.

Mining and Extraction Oxide Ores - Copper Development .

Copper is refined from ores in the ground, either through underground or open-pit mines. Most of the copper ores mined today are oxide or sulfide ores.

comparison of oxide and sulphide copper ore deposits,

Copper extraction techniques - Wikipedia, the free encyclopedia

These ores are a mixture of copper carbonate, sulfate, . them relatively cheap to smelt compared to chalcopyrite concentrates. Some supergene sulfide deposits can be leached using a bacterial oxidation heap leach.

Copper Ore Types: Sulfides vs. Oxides - Investing News Network

Apr 21, 2011 . Oxides. A look at the different types of copper ore and how they're processed. . Massive sulfide deposits containing copper ore are formed via the flow . of massive sulfide deposits, there is an important difference — instead.

World Copper Resources

Commercial copper ore deposits today contain from 0.5 to 6 . are also termed oxide ores. Copper is more . trusive rocks with copper sulfide minerals dissem- inated in them. .. be like adding or comparing apples and oranges. 7Raymond F.

Sources of Copper Ore | Copper Development Association of South .

Copper is usually deposited as copper sulfide minerals or in some . During millions of years the mineral deposit may be exposed to oxygen by air penetration . copper oxide ores, as the cost of leaching is cheap when compared to the cost of.

Mining and Extraction Oxide Ores - Copper Development .

Copper is refined from ores in the ground, either through underground or open-pit mines. Most of the copper ores mined today are oxide or sulfide ores.

Copper extraction techniques - Wikipedia, the free encyclopedia

These ores are a mixture of copper carbonate, sulfate, . them relatively cheap to smelt compared to chalcopyrite concentrates. Some supergene sulfide deposits can be leached using a bacterial oxidation heap leach.

Copper mining. From ore to copper. - School Science

Part of an interactive on-line booklet about copper mining explaining the early, . This trickles slowly through the ore dissolving copper to form copper sulphate. . Compare this with the pie chart of production. . Picture 4 shows the distribution of these deposits. . Copper minerals are grouped as either sulphide or oxide.

comparison of oxide and sulphide copper ore deposits,

Direct Measurement of Sulfide Mineral Oxidation Rates and Acid .

mines can thus depend strongly on the sulfide oxidation rate in pit wall rock. . $US0.02/m3 in the stratified Island Copper Mine (Poling et. al., 2003); and some . An audit comparing predicted versus actual water quality at US mines identified.

Gold - Mine Engineer.Com

This is a complex gold ore with oxide gold in a quartz vein with sulfide gold. . Gold occurs in association with ores of copper and lead, in quartz veins, in the . If you are looking for gold and can not tell the difference between the second . t he shiny Iron Sulfate, and staked claims on their "gold " deposit, which turned out to.

comparison of oxide and sulphide copper ore deposits,

Porphyry copper deposit - Wikipedia, the free encyclopedia

Porphyry copper deposits are copper orebodies that are formed from hydrothermal fluids that . Porphyry copper deposits are currently the largest source of copper ore. .. sulfide minerals releasing ore minerals (copper, gold, molybdenum), which .. and supergene oxidation and enrichment of porphyry copper deposits. in.

Patent US5914441 - Biocatalyzed anaerobic oxidation of metal .

Anaerobic oxidation of elemental sulfur that is produced by metal sulfide oxidation is . "There are more gold-copper and copper-gold ore deposits being .. Italy: Associazione Mineraria Sarda), compared aerobic and anaerobic batch leaching.

CHALCOPYRITE (Copper Iron Sulfide) - Mineral Gallery

It is only 25%, compared to other copper minerals such as chalcocite, Cu2S . Chalcopyrite is a common mineral and is found in almost all sulfide deposits.

Spence Briefing - BHP Billiton

The Spence copper deposit was first discovered in 1996 . future Spence Copper Project will consist of an open-cut . campaigns for oxide and sulphide ores. .. All tonnes and grade information has been rounded; hence small differences.

evaluating process options for treating some refractory ores abstract

the Albion Process can be potentially comparable or lower cost compared with . ore B comprise predominantly of pyrite and small copper sulphide minerals as .. Figure 4: Relationship of gold recovery to sulfide oxidation required for Ore A.

Unlocking Disseminated Nickel Sulphides Using the CESL . - Teck

May 26, 2010 . the development and role of disseminated sulphide deposits will . Compared to massive sulphide ores, laterite ores exhibit a greater mineralogical and chemical . Disseminated nickel and nickel-copper ores are widely distributed .. The oxidation reaction for pentlandite [(Ni,Fe)9S8] is given below.

19 - Flotation of Oxide Copper and Copper Cobalt Ores - MyCourses

contain mixtures of sulphide and oxide copper minerals. . Most of the oxide copper deposits are located in the former Republic of Zaire (Katanga) ... Comparison of results using xanthate and TY3 collector using dolomitic oxide Cu/Co ores.

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