disadvantages of open cut mining

  • Negative impacts of open-cast mining on the environment

    A major part of iron ore non-ferrous metals brown coal building materials and minerals for industry is being excavated in open-cast mines. This type of mining has a deep impact on the natural strata. Open-cast mining changes geological hydrological and geotechnical conditions. It influences the existing ecological system and landscape.

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  • What are the advantages of open-cast mining Quora

    Open-cast mining has several advantages compared to underground mining these are - Open-cast allows for high tonnages to be moved hence economies scale Safe as workers are not working under disturbed roof Open-cast trucks have higher payloa

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  • 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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  • Open Cut and Underground Mining iMINCO

    Open Cut Mining There are many differences between open cut and underground mining. When minerals and deposits are found close to the surface and spread across a large distance the best way to mine is to use the open cut mining method.

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  • What are the advantages and disadvantages of open pit mining

    The Advantages of Open Pit Mining. Open pit mining does offer some advantages over traditional deep shaft mining. Pit mining is more cost effective than shaft mining because The Advantages of Open Pit Mining. 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. Chat Online
  • Stripping ratioWikipedia

    In mining stripping ratio or strip ratio refers to the ratio of the volume of overburden (or waste material) required to be handled in order to extract some tonnage of ore.For example a 3 1 stripping ratio In mining stripping ratio or strip ratio refers to the ratio of the volume of overburden (or waste material) required to be handled in order to extract some tonnage of ore.For example a 3 1 stripping ratio means that mining one tonne of ore will require mining three tonnes of waste rock. Stripping ratios are typically reduced to show the volume of waste removal required to extract one unit Chat Online
  • Open Pit Mining TechniquesSurface MinesRock or Mineral

    Open-pit Mining Open-pit mining also known as opencast mining open-cut mining and strip mining means a process of digging out rock or minerals from the earth by their elimination from an open pit or borrow. The word is used to distinguish this type of mining from extractive methods that need tunneling into the earth.

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  • advantages and disadvantages on open pit mining Yahoo

    Jan 19 2009 · Adavantages Easier access to materials Easier to transport materials to the destination Less hazards in regards to mining in tunnels or underground. Disadvantages Alot more disel fuel burned to transport goods Blasting is also required making it highly dangerous to anyone around and the atmosphere. All of the ones i can think of..

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  • 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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  • Disadvantages From Open Cut Mining- ALUNETH Mining machine

    Disadvantages from open cut mining jamaica china stone crusher get quote fact sheet an overview of opencut mining resources fact sheet an overview of opencut mining this is a fact sheet that provides information about opencut mining. More Details 5 Chief Pros And Cons Of Strip Mining Connectus.

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  • What are the negative effects of open-cast mining Quora

    Feb 26 2017 · Depends on the nature of the orebody and mineral assemblage. 1. Huge hole left in the ground. It might be useful though for something. I.e hydro pumpstorage in Queensland 2. Acid generation and toxicity 3. Lower level access potentially for mining

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  • open cut mining advantages disadvantages

    open pitmining disadvantagesla-roulotte. open pitmining disadvantages_Openpit mining WikipediaOpenpit opencast or open cut mining is a surface mining technique of extracting rock open pitmining disadvantagesla-roulotte. open pitmining disadvantages_Openpit mining WikipediaOpenpit opencast or open cut mining is a surface mining technique of extracting rock or minerals from the earth Chat Online
  • Environmental impact assessment of open pit mining in Iran

    Aug 26 2008 · Mining is widely regarded as having adverse effects on environment of both magnitude and diversity. Some of these effects include erosion formation Mining is widely regarded as having adverse effects on environment of both magnitude and diversity. Some of these effects include erosion formation of sinkhole biodiversity loss and contamination of groundwater by chemical from the mining process in general and open-pit mining in particular. Chat Online
  • Open-pit mining Britannica

    mining Open-pit mining Deposits mined by open-pit techniques are generally divided into horizontal layers called benches. The thickness (that is the height) of the benches depends on the type of deposit the mineral being mined and the equipment being used for large mines it

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  • Open Cut or Underground MiningWhich is better

    Oct 21 2017 · Both open-cut and underground mining is used in modern mining. The approaches are different and there are advantages to each. Open-cut mining. Opencut mining gets its name because that s exactly what this type of mining looks like a big open pit. This type of mining allows for the extraction of minerals that aren t very far under the

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  • What are the advantages and disadvantages of underground

    Feb 13 2016 · Economically a better option in some geological settings but human safety a major issue. Shallow mineral or coal deposits can be economically mined by open-pit or strip mines. 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

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  • Disadvantages From Open Cut Mining

    Disadvantages From Open Cut Mining. What is the disadvantage of opencast mining. advantages and disadvantages on open cast mining szm. open advantages and disadvantages of deep cast mining. open pit open cast or open cut mining is a surface mining technique of extracting rock or for minerals that occur deep below the surface where the overburden is read more

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  • Reading Open-Pit Mining Geology

    Reading Open-Pit Mining Open-pit mining or open-cast mining is a surface mining technique of extracting rock or minerals from the earth by their removal from an open pit or borrow. This form of mining differs from extractive methods that require tunneling into the earth such as long wall mining.

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  • Open Pit Mining TechniquesSurface MinesRock or Mineral

    Open-pit mining also known as opencast mining open-cut mining and strip mining means a process of digging out rock or minerals from the earth by their elimination from an open pit or Open-pit mining also known as opencast mining open-cut mining and strip mining means a process of digging out rock or minerals from the earth by their elimination from an open pit or borrow. The word is used to distinguish this type of mining from extractive methods that need tunneling into the earth. Chat Online
  • disadvantages of copper miningAllegria

    Disadvantages Of Copper Mining ngoveroyalinstitute. disadvantages of mining copper utah jiayitw. disadvantages of mining copper utah. 150-200TPH Cobble Crushing Plant Disadvantages Of Copper Mining ngoveroyalinstitute. disadvantages of mining copper utah jiayitw. disadvantages of mining copper utah. 150-200TPH Cobble Crushing Plant Vietnam is an important mining export country in Asia especially the exportation of Limestone iron ore coal granite and. Live Chat what are the disadvantages of mining copper Chat Online
  • Disadvantages From Open Cut Mining

    Disadvantages From Open Cut Mining. What is the disadvantage of opencast mining. advantages and disadvantages on open cast mining szm. open advantages and disadvantages of deep cast mining. open pit open cast or open cut mining is a surface mining technique of extracting rock or for minerals that occur deep below the surface where

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  • Negative Effects of Gold Mining Synonym

    Jun 25 2018 · Negative Effects of Gold Mining. The price of gold has skyrocketed. People are digging into their jewelry box to find gold to sell and others are panning for gold hoping to Negative Effects of Gold Mining. The price of gold has skyrocketed. People are digging into their jewelry box to find gold to sell and others are panning for gold hoping to find that giant nugget. Extraction of substantial amounts of gold requires mining for it beneath the Earth s surface. Gold is a precious metal used around the world in Chat Online
  • Open-pit miningWikipedia

    Open-pit open-cast or open cut mining is a surface mining technique of extracting rock or minerals from the earth by their removal from an open pit or borrow.. This form of mining differs from extractive methods that require tunnelling into the earth such as long wall mining.Open-pit mines are used when deposits of commercially useful ore or rocks are found near the surface.

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  • What are the advantages of open-cast mining Quora

    Open-cast mining has several advantages compared to underground mining these are - Open-cast allows for high tonnages to be moved hence economies scale Safe as workers are not working under disturbed roof Open-cast trucks have higher payloa

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  • Benefits And Disadvantages Of Open Cut Mining

    Disadvantages of open cast mining. Open advantages and disadvantages of deep cast mining open pit open cast or open cut mining is a surface mining technique of extracting rock or for minerals that occur deep below the surface where the overburden is thick or the mineral occur. Live Chat Disadvantages of open pit mining

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  • Open Pit Mining Disadvantages Mineral Production

    4. Disadvantages of open pit mining. However disadvantages when compared to Underground Mining also exist Very large amounts of waste rock are mined. This creates costs as well as environmental issues with waste rock disposal Major disruption of surface pit footprint waste dumps. High visual impact especially strip mining.

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  • Cut and fillQueensMineDesignWiki

    Cut and fill mining is a highly selective open-stope mining method considered ideal for steeply dipping high grade deposits found in weak host rock. Many variations of the general cut and fill technique exist however this article will focus on overhand cut and fill.

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  • Stoping Mining MethodsMetallurgist Mineral Processing

    Cut-and-fill stoping is applicable to the mining of firm ore enclosed within walls one or both of which are weak and heavy. The deposits may be tabular in form dipping at angles steeper than the angle of repose of the broken ore (or flatter if scrapers are employed for moving the ore in the ore passes) or to wide thick ore bodies or masses.

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  • Open Pit Mining TechniquesSurface MinesRock or Mineral

    Open-pit Mining Open-pit mining also known as opencast mining open-cut mining and strip mining means a process of digging out rock or minerals from the earth by their elimination from an open pit or borrow. The word is used to distinguish this type of mining from extractive methods that need tunneling into the earth.

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  • What is a disadvantage for open pit miningAnswers

    An open pit mine is essentially a big hole in the ground. Dust is created in mining activities and any moisture falling into the mine can dissolve minerals and convey them into ground water.

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  • What Are the Disadvantages of Opencast Mining Reference

    Opencast mining also known as surface mining or strip mining has disadvantages that include disturbance of the environment and local ecosystems exposure of radioactive elements and contamination of freshwater sources.

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  • The many advantages of underground mining

    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 but it is not based on the miner s whim and predilection.

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  • Environmental impact assessment of open pit mining in Iran

    Aug 26 2008 · Mining is widely regarded as having adverse effects on environment of both magnitude and diversity. Some of these effects include erosion formation of sinkhole Mining is widely regarded as having adverse effects on environment of both magnitude and diversity. Some of these effects include erosion formation of sinkhole biodiversity loss and contamination of groundwater by chemical from the mining process in general and open-pit mining in particular. As such a repeatable process to evaluate these effects primarily aims to diminish them. Chat Online
  • 5 Chief Pros and Cons of Strip MiningConnectUS

    Sep 24 2015 · This kind of mining is particularly useful when the minerals are located very close to the surface as it s more feasible and much easier and quicker to remove the overburden in order to get them. Usually strip mining is employed in mining tar sand and coal. It s a method referred to as open cast open cut or stripping.

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  • what are the disadvantages of open cut mining

    Environmental Risks of Mining. Advantages and disadvantages of open cut Products. As a leading global manufacturer of crushing grinding and mining equipments we offer advanced reasonable solutions for any size-reduction requirements including Advantages and disadvantages of open cut quarry aggregate and different kinds of minerals.

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