what is the disadvantage of opencast mining

  • What Are the Disadvantages of Opencast Mining?

    2020-3-25 · 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. The use of heavy machinery and blasting techniques also create environmental pollution.

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  • What Is The Disadvantage Of Opencast Mining

    What Is The Disadvantage Of Opencast Mining. Health and cost savings considerations are driving an increasing move towards electric batterydriven vehicles and machinery in underground and opencast mining operations battery powered mining vehicles were introduced in the 1980s but it is only in recent years that largescale adoption of the technology is being considered a

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  • What Is The Disadvantage Of Opencast Mining

    What Is The Disadvantage Of Opencast Mining Open Pit Mining Pros & Cons eHow Open Pit Mining Pros & Cons. Open pit mining -- or strip mining -- is an extraction process for ore or fossil fuels that takes place at the surface of a mining site.

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  • disadvantages on openast mining agriturismodesole.it

    what is the disadvantage of opencast mining. The disadvantages of mining include harm to air pollution, water pollution, loss of usable land, destruction of animal habitat, and harm to local communities and the miners themselves. While mining produces the resources needed for fuel, electronics, and other items as well as jobs, companies often

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  • What Are The Advantages And Disadvantages Of

    Opencast mining, otherwise known as surface mining consist of three different Read more. advantages and disadvantages of open pit mining mining crusher Apr 15, 2013 Open pit mining does offer some advantages over traditional deep shaft mining. The Advantages of Mining Gold. The main disadvantage to in-pit storage of

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  • disadvantages of open cast mining

    Opencast mining is also known as open-put mining, open-cut mining, surface mining and also as strip mining, the later term being commonly used in the U.S.A. for opencast mining of coal. The overburden and the mineral, coal, are excavated in long strips of a few metres thickness and hence the operations are termed strip mining. get price

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  • Advantages and disadvantages of open pit mining

    2021-5-17 · Disadvantages of open pit mining. One of the main disadvantages of this type of mining operation is the environmental impact it causes. 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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  • disadvantages of open cast mining on workers «

    2008-4-16 · Keywords: Mining method, surface mining, open pit mining, open cast mining, placer description includes a comparison of the advantages and disadvantages of surface . paid more per hour than a worker doing a similar job on the surface.

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  • Advantages and disadvantages of mining

    2019821 What is Opencast Mining : Opencast mining or quarrying of minerals is easier than mining by underground methods During quarrying the alluvium and rocks below which the minerals lie, are removed and dumped, in the initial stages, in a place which is not required in future for quarrying, residential or other purposes. Oline Chat

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  • advantage and disadvantage of coal mining sector

    Opencast mining is also known as open-put mining, open-cut mining, surface mining and also as strip mining, the later term being commonly used in the U.S.A. for opencast mining of coal. The overburden and the mineral, coal, are excavated in long strips of a few metres thickness and hence the operations are termed strip mining.

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  • disadvantages of open cast mining

    Opencast mining is also known as open-put mining, open-cut mining, surface mining and also as strip mining, the later term being commonly used in the U.S.A. for opencast mining of coal. The overburden and the mineral, coal, are excavated in long strips of a few metres thickness and hence the operations are termed strip mining. get price

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  • The Disadvantages Of Open-pit Mining

    Opencast mining, also known as surface mining or strip mining, has disadvantages that include disturbance of the environment and local ecosystems, exposure Read more. What is a disadvantage for open pit mining Answers. An open pit mine is essentially a big hole in the ground. Dust is created in mining activities, and any moisture

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  • disadvantages on openast mining

    Opencast Mining. SK Chaulya GM Prasad in Sensing and Monitoring Technologies for Mines and Hazardous Areas 2016 Abstract Opencast mining operations involve huge quantities of overburden removal dumping and backfilling in excavated areas A substantial increase in the rate of accumulation of waste dumps in recent years has resulted in greater height of the dump for

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  • disadvantages of open cast mining on workers «

    2008-4-16 · Keywords: Mining method, surface mining, open pit mining, open cast mining, placer description includes a comparison of the advantages and disadvantages of surface . paid more per hour than a worker doing a similar job on the surface.

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  • advantage and disadvantage of coal mining sector

    Opencast mining is also known as open-put mining, open-cut mining, surface mining and also as strip mining, the later term being commonly used in the U.S.A. for opencast mining of coal. The overburden and the mineral, coal, are excavated in long strips of a few metres thickness and hence the operations are termed strip mining.

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  • dis advantages an open cut mining caminitogrill.cl

    Openpit mining, also known as opencast mining, is a surface mining technique that extracts minerals from an open pit in the ground. Openpit mining is the most common method used throughout the world for mineral mining and does not require extractive methods or tunnels. This surface mining technique is used when mineral or ore deposits are

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  • What are the disadvantages of underground mining?

    2014-6-18 · Underground mining is very expensive to conduct. It requires management of a fresh air supply, along with drainage. Underground mining can only remove a portion of the mineral present (the rest is

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  • Top 10 Coal Advantages and Disadvantages You

    2017-1-20 · Mining the earth, after all, is prone to explosions and cave-ins. But the real risk is on the miners’ health and on the health of the people living close to the dig areas. In fact, an average of 80,000 people is displaced when a coal mine opens up.

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  • Land Disturbance and Reclamation after Mining

    1987-1-1 · Strip-mining land restoration has been developed extremely successfully by the Opencast Executive of the National Coal Board. In the People's Republic of China the Standing Committee of the Fifth National People's Congress approved the Environmental Protection Law in 1979 for trial implementation.

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  • Cut and fill QueensMineDesignWiki

    2019-6-28 · 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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