Disadvantages Open Opencast

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What Are the Disadvantages of Opencast Mining?

25/3/2020 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 Are The Advantages And Disadvantages Of Open

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

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Opencast Mining (Quarrying): Methods, Advantages &

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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advantages and disadvantages of opencast and deep

Advantages of opencast mining There is no problem of ventilation Gestation period is less ISN ; Disadvantages of opencast mining •Work is affected by weather. »More detailed

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

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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Opencast Mining an overview ScienceDirect Topics

The disadvantages are comparatively few 1. Acquisition of large surface right for open pit mining. 2. The land owners, often tribal population, and contractual farmers living within the Mining Lease area are rehabilitated and compensated by cash, separate housing

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Advantages and disadvantages of open pit mining ~

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

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Open Pit Mining Disadvantages Mineral Production

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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Open-pit mining Wikipedia

Open-pit mining causes changes to vegetation, soil, and bedrock, which ultimately contributes to changes in surface hydrology, groundwater levels, and flow paths. Additionally, open-pit produces harmful pollutants depending on the type of mineral being mined

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disadvantages on openast mining Masingita

Disadvantages Of Shaft Mining Crusher USA About disadvantages of shaft mining-related information:open pit mining, open cut mining or opencast mining is a method of extracting rock or minerals from the earthWhat are the advantages of open cast mining

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