Cerrejón mine in Colombia: can it address its human rights risks?
As South America's largest open-pit coal mine, Cerrejón boasts a production capacity of 32m tonnes per year – most of which (about 60%) goes to fuel Europe's coal-fired power stations.Web
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Geotechnical Properties of Open Cast Mine | SpringerLink
1 Introduction. Open cast mining results in the formation of large overburden dumps and voids at mining sites. Generation of dump waste from open cast mines in …Web
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Coal and Other Mining Operations: Role of Sustainability
Open-cast coal mining leads to the disturbance of geological layers where different sedimentary products are being mixed, which means that a completely new, anthropogenic land, i.e., substratum, is created, without any resemblance to the original land, which is now called a deposol. This is an example of visual pollution where the ...Web
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India's plan for life after coal
One abandoned open-cast coal mine in Ramgarh was turned into a fishery through an initiative from Central Coalfields, an arm of the state-owned coal mining corporation.Web
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Advances in coal mining technology and sustainable mining …
Longwall mining is a fast and mechanized method of coal mining where a large "wall" of coal is mined with a high-powered cutting system and the coal is …Web
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Opencast coal mining in India: Analyzing and addressing the air
Opencast coal mining in India: Analyzing and addressing the air environmental impacts. Mrinal K. Ghose, Mrinal K. Ghose. Indian School of Mines, Dhanbad. Search for more papers by this author. Mrinal K. Ghose, Mrinal K. Ghose. Indian School of Mines, Dhanbad.Web
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What Is Open-Pit Mining? Definition and …
Open-pit mining is a type of surface mining used to extract coal, gold, and other minerals. It creates immense water and air pollution, disfigures landscapes, and destroys habitats.Web
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Underground and Opencast Coal Mining Methods in India: A …
Coal is one of the most essential resources of a country. It is widely used for power generation and as a raw material in the industries. India ranks third in coal production. However, the country has to import coal in order to meet the rising demand for coal. In India, coal mining is conducted using two methods: underground and opencast …Web
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12.10: 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 …Web
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Glossary of Mining Terms
Panel - A coal mining block that generally comprises one operating unit. Panic bar - A switch, in the shape of a bar, used to cut off power at the machine in case of an emergency. Parting - (1) A small joint in coal or rock; (2) a layer of rock in a coal seam; (3) a side track or turnout in a haulage road.Web
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Lesson 7.3: Mechanical Surface Mining Methods
Open Cast Mining. Open cast mining is usually associated with coal or other tabular deposits that are more or less flat-lying. A significant difference between open pit and …Web
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Analysis of Factors, Which Influence the Cycle Time of …
Open Cast Coal Mines to Improve Production *S. Dey, **S. K. Mandal, ***C. Bhar *Sr. Technical Officer, CSIR-Central Institute of Mining & Fuel Research, Dhanbad, Pin Code ... Authors of the paper conducted research study in an open cast coal mine and analyzed the effect of different factors, which influences the cycle time of dumpers. It helpedWeb
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OPENCAST COAL MINING AT LARGE DEPTH IN INDIA-CHALLENGES AHEAD
The research in ECL, & BCCL, subsidiaries of Coal India shows that fire and unsystematic underground mining need deep opencast mining. The objective of the paper is the continued viability of ...Web
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Coal Mining and the Highwall Method | OilPrice
It needs a crew of 3 or 4 folk, and averages 30 – 40 tons per man-hour. Remember that it must reposition at intervals. Highwall miners of this type can advance much further into the highwall ...Web
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Coal and Other Mining Operations: Role of Sustainability
Open-cast coal mining leads to the disturbance of geological layers where different sedimentary products are being mixed, which means that a completely new, …Web
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Who is keeping coal alive?
China is planning 270 gigawatts of new coal-fired plants by 2025, more than any country has installed today. India and much of South-East Asia are following a similar path. Even with a speedy ...Web
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Opencast Mining (Quarrying): Methods, Advantages & Disadvantages
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.Web
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Advances in coal mining technology and sustainable mining …
The technology of coal mining has gone through continual evolutions and several revolutionary changes which transformed the methods, equipment, and productivity over the decades. In recent years, advances in technology focused more on the use of communication systems, automation, and data sciences for the health and safety of the …Web
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Coal mining
Highwall mining is an adaptation of auger mining. Instead of an auger hole, an entry into the coal seam is made by a continuous miner, remotely operated from a cabin at the surface. The cut coal is transported by …Web
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Mitigating the environmental effects of opencast mining
The major environmental concerns around opencast mining include the generation of dust through blasting, raw-ore haulage and processing activities, which have serious impacts on the air quality at ...Web
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Particle Dispersion Within a Deep Open Cast Coal Mine
The open pit coal mine topography is mostly rugged and uneven. In general, it is a few kilometers wide and more than 50 m deep. In the case of deep open pits, the depth may be as high as 300-400 meters. The complexity arises due to the presence of overburden dumps, construction of access roads and blasting activities.Web
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Flooded and forgotten: How Europe's disused coal mines are
Synonymous with mining disasters, the Canadian community started using the heat from its dormant coal mines in 1989. One packaging firm in the town now boasts a 100 per cent renewable system, all ...Web
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Lesson 7.3: Mechanical Surface Mining Methods
Open Cast Mining. Open cast mining is usually associated with coal or other tabular deposits that are more or less flat-lying. A significant difference between open pit and open cast mining methods is that in open cast mining, overburden that is removed to gain access to the ore is immediately placed in the previously mined cut.Web
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Centre's nod for mining in 170,000 hectares of forest in Chhattisgarh
The Parsa mine – open cast mining involves digging for coal after removing all the vegetation and soil from the area -- came up for consideration of the environment ministry's expert appraisal ...Web
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Digging deeper: Mining methods explained | Anglo American
We use these three different types of underground mining techniques for coal, diamonds and copper. 3. Underwater mining. Underwater mining is necessary when the product you've identified is located within an aquatic environment like the sea floor. It's a unique challenge – and one that requires a responsible approach that thoughtfully ...Web
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Campaigners hail end of opencast coalmines in UK …
Opencast or surface mining is a quarrying technique in which coal seams relatively near the land's surface (normally under 100 metres in depth) are exposed by the excavation of overlying rock ...Web
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Negative impacts of open-cast mining on the environment and …
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.Web
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Coal
Coal is a black or brownish-black sedimentary rock that can be burned for fuel and used to generate electricity. It is composed mostly of carbon and hydrocarbons, which contain energy that can be released through combustion (burning). Coal is the largest source of energy for generating electricity in the world, and the most abundant fossil fuel ...Web
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(PDF) COAL MINING METHODS
Coal is an organic sediment consisting of a complex mixture of substances. It has a lot of commercial and industrial applications. It is an energy giving non-renewable source of energy. Mining of ...Web
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Coal isn't easy to exclude from sustainable development | Explained
Coal-fired thermal power plants (TPPs) generated 74.3% of India's electricity during FY 2022-2023; generation by TPPs continues to grow to meet demand. The country's coal sector plays a vital ...Web
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