disadvantages open pit copper mining

Open-pit mining - Wikipedia

Open-pit mining - Wikipedia

Open-pit mining is to be considered one of the most dangerous sectors in the industrial world It causes significant effects to miners health, as well as damage to the ecological land Open-pit mining causes changes to vegetation, soil, and bedrock, which ultimately contributes to changes in surface hydrology, groundwater levels, and flow paths

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advantages and disadvantages on open pit mining? ? | Yahoo ,

advantages and disadvantages on open pit mining? ? | Yahoo ,

Jan 19, 2009· Not to do with coal open pit mining , Advantages and disadvantages on open pit mining? ? Not to do with coal open pit mining Follow 3 answers 3 , Source(s): Uncle owns a Flagstone, Copper operation in the USA and South Africa Dragon Blade 1 ,

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The world’s top 10 highest-grade copper mines – MININGCOM

The world’s top 10 highest-grade copper mines – MININGCOM

The KOV mine is part of Glencore’s Katanga operation located in the Democratic Republic of the Congo (DRC) KOV is believed to contain the largest high-grade open-pit copper reserve/resource in .

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11 PHASES OF A MINING PROJECT - Home | ELAW

11 PHASES OF A MINING PROJECT - Home | ELAW

1131 Open-pit mining Open-pit mining is a type of strip mining in which the ore deposit extends very deep in the ground, necessitating the removal of layer upon layer of overburden and ore In many cases, logging of trees and clear-cutting or burning of vegetation above the ore deposit may precede removal of the overburden The

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Bingham Canyon Mine - Wikipedia

Bingham Canyon Mine - Wikipedia

The Bingham Canyon Mine, more commonly known as Kennecott Copper Mine among locals, is an open-pit mining operation extracting a large porphyry copper deposit southwest of Salt Lake City, Utah, in the Oquirrh MountainsThe mine is the largest man-made excavation in the world and is considered to have produced more copper than any other mine in history – more than 19 million tons

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Open pit mining | Epiroc

Open pit mining | Epiroc

Full marks for Pit Viper 311 January 15, 2015 ’s new Pit Viper 311 has successfully completed rigorous field testing at a copper mine in the USA, confirming the value of the rotary drill rig key design featur

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The Pros And Cons To Copper Mountain Mining Corp - Copper ,

The Pros And Cons To Copper Mountain Mining Corp - Copper ,

Dec 05, 2017· Based on an evaluation on January 1st, 2017, the open-pit mine has a useful life of 16 years, which is expected to last until 2031 There are three main pits on Copper Mountain

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The many advantages of underground mining - born2invest

The many advantages of underground mining - born2invest

Apr 27, 2015· Enhancing its opencast operations with an underground mining could potentially increase the Kun-Manie mine site by at least 19 percent Choosing between open-pit mining and underground mining is a decision that every mining company makes, ,

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what are disadvantages to open pit mining

what are disadvantages to open pit mining

disadvantages of open pit mining - africar-hirecoza Open-pit mining - Wikipedia Open-pit, open-cast or open cut mining is a surface mining technique of extracting rock or (eroded rocks), and the type of rock, and also how many structural weaknesses occur within the rocks, such as a ,

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I III'I,M - Minnesota Legislature

I III'I,M - Minnesota Legislature

This open pit mine model is a hypothetical example of one type of mining operation producing 11333 x 10 6 metric tons per year of crude ore averaging 045 percent copper and 015 percent nickel

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What are the advantages and disadvantages of underground ,

What are the advantages and disadvantages of underground ,

Feb 13, 2016· Shallow mineral or coal deposits can be economically mined by open-pit or strip min However, with deeper mineral or coal deposits it becomes very costly to remove a great deal of overburden in these kinds of settings So, in these cases underground mining is more cost effective The downside is that human health and safety are at greater .

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What Are the Advantages of Open-Pit Mining? | Reference

What Are the Advantages of Open-Pit Mining? | Reference

Advantages of open-pit mining include a lower cost compared with other methods and a higher safety level Open-pit mining is also better suited to quarries containing smaller amounts of ,

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Advantages and disadvantages of open pit mining - LORECENTRAL

Advantages and disadvantages of open pit mining - LORECENTRAL

Apr 02, 2018· Disadvantages of open pit mining One of the main disadvantages of this type of mining operation is the environmental impact it caus Since cyanide, mercury and sulfuric acid are used to remove the wastewater, groundwater and air are contaminated as toxic dust This is absorbed by animals and plants

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Open pit mining pros & cons - ehowcouk

Open pit mining pros & cons - ehowcouk

Open-pit mining is a type of mineral or rock extraction that does not necessitate tunnelling into the earth When a desired mineral or rock is near the surface, companies typically opt for open-pit mining due to its lower costs and increased efficiency Open-pits are typically dug in tiers and with .

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Advantages Of Open-pit Mining - volvosuperdealscoza

Advantages Of Open-pit Mining - volvosuperdealscoza

The Advantages of Open Pit Mining eHow Open pit mining is quite different from underground Advantages & Disadvantages of Land Mine Detecting The United introopen pit strip mining advantages and disadvantag introopen pit strip mining advantages and disadvantages,pew series crusher is born with innovative significance

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What is a disadvantage for open pit mining - answers

What is a disadvantage for open pit mining - answers

Open pit mining may be used when very large quantities of material are mined, such as gold mining, copper ore, etc It permits removal of a much greater amount of material (underground coal mines .

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Kennecott Copper Mine | Utah

Kennecott Copper Mine | Utah

Information on Kennecott Copper Mine, the world's largest excavation and open-pit copper mine, located west of Salt Lake City, Utah

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Innovations: Introduction to Copper: Mining & Extraction

Innovations: Introduction to Copper: Mining & Extraction

Underground mining is, however, relatively expensive and is generally limited to rich or El Teniente, in Chile, is the world's largest underground copper mine Open pit mining is employed when the orebodies are extensive, low in grade, and relatively near the surface, where they can be quarried after removal of overburden

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Open Pit Mining Pros & Cons | Sciencing

Open Pit Mining Pros & Cons | Sciencing

Open-pit mining is much safer than shaft mining In underground mining, the threat of a cave-in or release of toxic gas is a constant concern When shaft mining was the most common method of ore extraction, thousands died in cave-ins, gas events and accidents involving equipment In 1907 alone, more than 3,200 deaths related to mining occurred

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open pit mining disadvantages - YouTube

open pit mining disadvantages - YouTube

Aug 29, 2016· As the name suggests, open, pit mining creates a big pit disadvantages open pit copper mining 24 Open, pit Mining This is the traditional cone, shaped excavation (although it ,

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Surface Mining Methods and Equipment - eolss

Surface Mining Methods and Equipment - eolss

UNESCO – EOLSS SAMPLE CHAPTERS CIVIL ENGINEERING – Vol II - Surface Mining Methods and Equipment - J Yamatomi and S Okubo ©Encyclopedia of Life Support Systems (EOLSS) Figure 2 Change in production and productivity of US coal mines The higher productivity for open pit mining equipment also lowers costs

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What are some of the most important disadvantages and ,

What are some of the most important disadvantages and ,

Sep 05, 2016· Underground Mining is a method of Mining, where the mineral is extracted without removing the top soil and rocks In this way we do not disturb the surface feature such as forest, agriculture land, rivers and residential areas The major disadvant.

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Environmental Risks of Mining

Environmental Risks of Mining

Open pit mining Open pit mining, where material is excavated from an open pit, is one of the most common forms of mining for strategic minerals This type of mining is particularly damaging to the environment because strategic minerals are often only available in small concentrations, which increases the amount of ore needed to be mined

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The Advantages of Open Pit Mining | Sciencing

The Advantages of Open Pit Mining | Sciencing

Mar 13, 2018· Open pit mining does offer some advantages over traditional deep shaft mining Pit mining is more cost effective than shaft mining because more ore can be extracted and more quickly The working conditions are safer for the miners because there is no risk of cave in or toxic gas Open pit mining is the preferred .

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