Copper Ore Types: Sulfides vs. Oxides | INN

Copper Ore Types: Sulfides vs. Oxides. ... oxide ores and copper sulfide ores. Both ore types can be economically mined, though they are processed in different ways. ... information can be an ...

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Ore Body an overview | ScienceDirect Topics

Sulfide ore bodies which are buried deep below the earth act as giant batteries and the constant measurement of specific conductance can help in delineating a target. This is gaining momentum in locating deeply buried sulfide deposits. Electrogeochemistry depends on …

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The Threat | Save the Boundary Waters

Sulfideore copper mining is much more toxic than Minnesota’s taconite mining. It produces giant waste piles that, when exposed to air and water, leach sulfuric acid, heavy metals and sulfates. Sulfideore copper mines pollute groundwater, rivers and lakes. In the history of sulfide mining…

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What is roasting of a sulfide ore? Quora

After the concentration or dressing of ore, chemical treatment follows, to get it to a metal or to its oxide so that we can easily reduce it to its metallic form. To convert sulphide ores to their respective oxides, the process of roasting is used( this is done because reducing sulphide directly, …

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Recovery of Gold in Pyritic Sulfide Ores Mine

Recovery of gold in sulfide ores has fallen into several categories. First is froth flotation, and second is cyanidation of the ores. Using cyanide to recover gold from sulfide ores generally results in 30 to 35% recovery, and the best I have heard of is around 50% recovery.

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Sulfide Mining, Mining Methods, Techniques, Copper, Zinc ...

Sulfide Mining. Mining is the method of tacking materials from the earth to get valuable metal ores like copper, zinc, and lead, which are known as target minerals in mining terms.

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Sulfide Ore | Article about Sulfide Ore by The Free Dictionary

Sulfide Ore any of several natural mineral formations consisting of metal sulfides. Metal selenides, tellurides, arsenides, and antimonides are also classified among the sulfide ores. Sulfide ores are an important source for the production of Ni, Co, Cu, Zn, Pb, Mo, Bi, Sb, and Hg. They contain not only sulfides but also other minerals, including ...

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Mining Industry | Copper Sulfide Ore and Flotation Process ...

Jul 09, 2019· 1 Types of copper sulfide ore (1) Single copper mineral Its ore characteristic is relatively simple, and the only useful component that can be recycled is copper. The gangue minerals are mainly quartz, carbonate and silicate. (2) Coppersulfur ore Called copperbearing pyrite. In addition to copper minerals, iron sulfide can be recovered, and the main mineral of sulfur is pyrite.

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Rebellious Ores: Sulfides, Selenides and Tellurides

In many locations where they had initially been recovering 90% of the assay values processing oxidized surface ore, with the rebellious sulfide ores they were recovering less than 50%. The rest of the precious metals in their ore simply flowed uselessly out from the mill and into the tailings pond.

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Copper Mining and Processing: Processing of Copper Ores ...

Copper processing is a complicated process that begins with mining of the ore (less than 1% copper) and ends with sheets of % pure copper called cathodes, which will ultimately be made into products for everyday most common types of ore, copper oxide and copper sulfide, undergo two different processes, hydrometallurgy and pyrometallurgy, respectively, due to the different ...

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Zinc processing Ores |

Mining and concentrating. Zinc ores are recovered by many mining techniques, ranging from openpit mining (mainly in the case of oxidized ore bodies, which are located closer to Earth’s surface) to the normal underground methods (used for the more deeply located sulfide ores). The most common underground method of ore extraction is cutand ...

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Volcanogenic Massive Sulphide (VMS) Base Metal Deposits ...

The main ore minerals in VMS deposits are, unsurprisingly, sulphides, including pyrite (iron sulphide), sphalerite (zinc sulphide), chalcopyrite (copperiron sulphide) and galena (lead sulphide).VMS deposits contain minor amounts of silver and gold plus a large variety of other elements including cobalt, tin, selenium, manganese, arsenic, tellurium, antimony, and mercury among others.

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Sulfide Mining Overview

Mining. Sulfide mining operations can take several forms depending on the ore body and quality. Mines are either open pit mines or underground operations. Open pit mines are most commonly used, 83 percent of copper mines in the US are open This method is used because a greater

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How is copper obtained from its sulphide ore? What is the ...

Hari om, you are asking a question as to : “ How is copper obtained from its sulphide ore? What is the equation of this reaction?”. Hari om. Hari om. ANSWER :[ Excerpts] COPPER MINING AND EXTRACTION: SULFIDE ORES : It’s hard to imagine a world wit...

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forming sulfide compounds. Thus, copper, and lead mining is often to as sulfide mining, and the re Chapter One lease of various forms Of sultilr is an inevi table byproduct of the metals' extraction. Basic Geology and Exploration Copper, zinc, and lead are widespread in the rocks Of the eart I's crust, but ordinarily in minute quantities.

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Mining and Extraction: Oxide Ores processes for ...

Most of the copper ores mined today are oxide or sulfide ores. Extraction of sulfide ores is covered in more detail in Copper Mining and Extraction: Sulfide Ores (11–14), but is introduced here because an important byproduct of this process is used for the extraction of oxide ores.

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The world’s top 10 highestgrade copper mines

Commencing with an initial twoyear open pit mining operation which was completed in April 2013, the DeGrussa operation is based on a longterm underground mine delivering sulphide ore to an on ...

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The Threat of Sulfide Mining — Friends of the Boundary ...

Sulfide mining, which is sometimes referred to as hardrock mining, is the process of extracting trace amounts of copper, nickel and other metals from sulfide ores. When sulfide ore comes into contact with water or oxygen, a chemical reaction occurs and produces sulfuric acid, …

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Sulfide mining record WaterLegacy

There is ample reason to be skeptical about mining companies' and promoting agencies' promises that sulfide mining can be done without polluting the water. One can merely search the internet for "Acid Mine Drainage", and find numerous examples all over the …

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Copper Mining and Extraction Sulfide Ores

Mining Metals. Metals are often found as compounds in ores. An ore is a rock or mineral that has enough metal in it to make it worth extracting. Mining copper About 200 years ago the UK was an important world source of copper and tin and there were mines in Cornwall and Devon.

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Sulfide Ores an overview | ScienceDirect Topics

Sulfide Ores. Sulphide ores were mostly created by (i) the intrusion of molten magma from the mantle into the crust of the earth and (ii) the formation of localized metalrich sulphide ore bodies by sequential solidification and/or hydrothermal leaching and precipitation.

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SulfideOre Copper Mining in Minnesota's Boundary Waters ...

SulfideOre Copper mines, which are what Twin Metals intends to propose, are notoriously destructive to environments. As the mining activities progress and material is extracted, the likelihood of Acid Mine Drainage (AMD) increases. AMD is produced when mine tailings (mine waste) are exposed to water and oxygen, becoming very environmentally toxic.

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Sulphide Gold | Gekko

Sulphide Gold Recovery. Preconcentration of coarse 350 – 500 micron sulphideassociated gold ore, using the InLine Pressure Jig, is required to reject gangue from the high value IPJ, a classic preconcentration device, is effective in gangue rejection prior to further processing of valuable goldbearing material.. Other turnkey modular systems for preconcentrating coarse ...

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Differences Between Sulfides And Oxides | Difference Between

Mining has always been a popular business sector in industry. Because of mining, we get to enjoy different jewelries that are made to be durable even over a long period of time. Research has shown that in 2011 mining earned approximately 805 million dollars for the government, which an increase of ...

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The top three nickel sulphidebearing deposits in Canada

Business The top three nickel sulphidebearing deposits in Canada. Nickel is poised for growth this year as the Indonesian ore ban continues to prevent local miners from exporting raw minerals.

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VMS Volcanogenic Massive Sulphide Ore Deposits ...

If we start with VMS Volcanogenic Massive Sulphide Ore Deposits and their Mineralization we see from this image shows some of the sulphide chimneys associated with the model black smoker VMS deposit. VMS will emit black plume of hot water venting from one of the chimneys. You’ll remember this cross section from reads on both porphyry deposits and epithermal, in the case of VMS deposit, we ...

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Nickel processing |

Mining. With nickel found in two radically different types of ore, it is not surprising that the mining methods differ. Sulfide deposits are usually mined by underground techniques in a manner similar to copper, although some deposits have been mined using open pits in the early stages.

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Sulphide Gold Ore Treatment by Leaching and Flotation Process

Problem with gold recovery from sulphide ore: How may a mill get the maximum recovery of gold from a sulphide ore, at the least capital cost and at the same time obtain the highest net return. This latter point is most important. In many cases a gold mill using an allcyanide flowsheet with fine grinding of all the ore will report very low gold content in the tailings particularly on an ...

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Acid mine drainage Wikipedia

I disagree with your opinion that sulfide mining is only environmentalist terminology. The state of Wisconsin has actually passed a moratorium on sulfide mining, and they used the terms "sulfide ore mining" and "sulfide mine" in their legislation.

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What is Sulfide Mining? | Mining Action Group

Why Is Sulfide Mining Dangerous? If sulfide ore or sulfide tailings are exposed to water and air during mining, a chemical reaction creates sulfuric acid – basically battery acid. There has never been a sulfide mine that has not polluted nearby water resources. Pollution from sulfide mining is very expensive to fix, and a burden for taxpayers.

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Sulphide Ores Clariant Ltd.

Sulphide Ores Optimize your recovery and reagent consumption for sulfide ores with customized technical solutions. At Clariant Mining Solutions, we are proactive solutionseekers committed to optimizing your mineral processing operations through creative problemsolving.

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Science Desk: How SulfideOre Copper Mines Pollute | Save ...

Have you ever wondered just how sulfideore copper mines pollute their surrounding environments? It’s a good question, because in order to understand the environmental impacts to the Boundary Waters Canoe Area Wilderness and Voyageurs National Park, we must first understand all of the ways sulfideore copper mining can cause harm to the surrounding lakes, streams, wetlands and forests.

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