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effects of open cast mining

effects of open cast mining

Negative impacts of open-cast mining on the environment ...

2015-7-7  The mining industry is able to guarantee constant public security during open-cast mining activities and to offer an effective after-use of the land when the mines are closed. The most important measures to that end are the building of secure slopes and tipping areas, the regulation of water quality and water balance, the creation of an ...

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Mitigating the environmental effects of opencast mining

2014-5-9  Opencast mining operations in South Africa remain one of the industry’s main contributors to short- and long-term environmental damage, as they have a direct and cumulative impact on the air ...

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Impact of Mining Activity on environment: An Overview

2021-6-4  73944.59 Crore. (Annual Report 2004–05, Ministry of Mines).Open cast mines as well as underground mines Both types of mines affected the environment .Open cast mining operations result in dumping of overburden on un mined area which is consolidated and unconsolidated materials overlying the minerals ,and is required to be removed.

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Advantages and disadvantages of open pit mining –

2021-11-24  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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Environmental Risks of Mining

2012-12-11  Environmental Damages 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

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Surface Mining Methods and Equipment

2020-8-25  UNESCO – EOLSS SAMPLE CHAPTERS CIVIL ENGINEERING – Vol. II - Surface Mining Methods and Equipment - J. Yamatomi and S. Okubo ©Encyclopedia of Life Support Systems (EOLSS) SURFACE MINING METHODS AND EQUIPMENT J. Yamatomi and S. Okubo University of Tokyo, Japan Keywords: Mining method, surface mining, open pit mining, open cast mining, placer mining,

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(PDF) Mining Methods - ResearchGate

2021-11-22  open-cast and open-pit mining in volves digging. a. large. pit in the ground down from surface level. The. main. difference. between the two is the direction of

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The Singareni Collieries Company Limited (A Government ...

2021-11-23  A combination of modern machines in Open Cast Mining like Walking Draglines, Shovels and High Capacity Dumpers were introduced in 1975. In-pit Crushing and Conveyor technology for Over Burden removal and coal extraction was

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Restoration of Mined Areas Ecological Restoration

2021-11-20  In India, mining is an important economic activity and the country produces 84 minerals comprising 4 fuel, 11 metallic, 49 non-metallic industrial and 20 minor minerals. More than 80 percent of mineral production is done by open cast mining method which ends up in the production of large quantities of overburden.

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Effect of opencast mining on soil fertility

2009-7-24  Effect of opencast mining on soil fertility Mrinal K Ghose Centre of Mining Environment, Indian School of Mines, Dhanbad 826 004 Received 05 June 2004; accepted 08 October 2004 In the process of opencast mining, several changes occur in physical, chemical, and microbiological properties of soil as a result of mining and storage.

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Mitigating the environmental effects of opencast mining

2014-5-9  Opencast mining operations in South Africa remain one of the industry’s main contributors to short- and long-term environmental damage, as they have a direct and cumulative impact on the air ...

Read More
The effects of open‐cast coal mining on agricultural land ...

The effects of open‐cast coal mining on agricultural land. B. M. Dougall. Seale‐Hayne Agricultural College. Search for more papers by this author. B. M. Dougall. ... King, Some physical features of soil after opencast mining, Soil Use and Management, 4, 1, (23-30), (2007).

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Respiratory health effects of opencast coalmining: a cross ...

OBJECTIVE: To identify whether there is evidence of pneumoconiosis and other respiratory health effects associated with exposure to respirable mixed dust and quartz in United Kingdom opencast coalmines. METHODS: A cross sectional study of current workers (1224 men, 25 women) was carried out at nine large and medium sized opencast sites in ...

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Effects Of Mining on the Environment and Human Health

2021-11-23  Strip mining accounts for about 40 percent of the world’s coal mines but in some countries, such as Australia, open cast mines make up 80 percent of mines. Even though it’s highly destructive, industry often prefers strip mining as it requires less labour and

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Minimize ground vibrations caused by open cast mining ...

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 pit. Walls of the pit are generally blast mined, creating ground vibrations and resulting in dust generation and water, air, and noise pollution. Although we are not aware of any studies evaluating the effect ...

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Economic Impacts of Open Pit Mining Bizfluent

2017-9-26  Economic Impacts of Open Pit Mining. Believe it or not, mining and economics go hand in hand; they are both built on the premise of extracting a commodity at the lowest cost and selling at highest profits. Business processes for mining include physical design methods, scheduling collections, expelling and removal of waste materials from the pit.

Read More
(PDF) Mining Methods - ResearchGate

2021-11-22  open-cast and open-pit mining in volves digging. a. large. pit in the ground down from surface level. The. main. difference. between the two is the direction of mining. In. open-cast mining, the ...

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Open pit mining pros cons eHow UK

2021-11-23  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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The Singareni Collieries Company Limited (A Government ...

2021-11-23  A combination of modern machines in Open Cast Mining like Walking Draglines, Shovels and High Capacity Dumpers were introduced in 1975. In-pit Crushing and Conveyor technology for Over Burden removal and coal extraction was

Read More
Effect of opencast mining on soil fertility

2009-7-24  Effect of opencast mining on soil fertility Mrinal K Ghose Centre of Mining Environment, Indian School of Mines, Dhanbad 826 004 Received 05 June 2004; accepted 08 October 2004 In the process of opencast mining, several changes occur in physical, chemical, and microbiological properties of soil as a result of mining and storage.

Read More
The effects of open‐cast coal mining on agricultural land ...

The effects of open‐cast coal mining on agricultural land. B. M. Dougall. Seale‐Hayne Agricultural College. Search for more papers by this author. B. M. Dougall. ... King, Some physical features of soil after opencast mining, Soil Use and Management, 4, 1, (23-30), (2007).

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What are the negative effects of open cast mining on the ...

2017-6-10  Discuss the negative effects of open cast mining on the environment. Answers (i) Large scale blasting of rocks leads to instability of the basement rocks. Water collects in the hallows left by open cast mines creating ponds which becomes habitats for disease causing organisms.

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Respiratory health effects of opencast coalmining: a cross ...

OBJECTIVE: To identify whether there is evidence of pneumoconiosis and other respiratory health effects associated with exposure to respirable mixed dust and quartz in United Kingdom opencast coalmines. METHODS: A cross sectional study of current workers (1224 men, 25 women) was carried out at nine large and medium sized opencast sites in ...

Read More
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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Effects Of Mining on the Environment and Human Health

2021-11-23  Strip mining accounts for about 40 percent of the world’s coal mines but in some countries, such as Australia, open cast mines make up 80 percent of mines. Even though it’s highly destructive, industry often prefers strip mining as it requires less

Read More
Life cycle assessment of opencast coal mine production: a ...

The Yimin opencast coal mine was selected to conduct a case study. The production of 100 tons of coal was used as the functional unit to evaluate the environmental risks in the stages of stripping, mining, transportation, processing, and reclamation. A total of six environmental impact categories, i.e., resource consumption, acidification ...

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Open pit mining pros cons eHow UK

2021-11-23  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

Read More
Economic Impacts of Open Pit Mining Bizfluent

2017-9-26  Economic Impacts of Open Pit Mining. Believe it or not, mining and economics go hand in hand; they are both built on the premise of extracting a commodity at the lowest cost and selling at highest profits. Business processes for mining include physical design methods, scheduling collections, expelling and removal of waste materials from the pit.

Read More
The Singareni Collieries Company Limited (A Government ...

2021-11-23  A combination of modern machines in Open Cast Mining like Walking Draglines, Shovels and High Capacity Dumpers were introduced in 1975. In-pit Crushing and Conveyor technology for Over Burden removal and coal extraction was

Read More