overburden in open cast mines in india

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  • Coal India Ltd: CIL shifts gears to overburden removal as ...

    May 04, 2020· New Delhi: Coal India has shifted its focus to overburden removal -- the process of removing the top soil and rock to expose coal seams in its open cast mines --as the power sector, a major consumer of the dry fuel, has witnessed almost 30 per cent drop in fuel consumption amid the lockdown, a company official said.

  • Coal India Ltd: CIL shifts gears to overburden removal as ...

    May 04, 2020· New Delhi: Coal India has shifted its focus to overburden removal -- the process of removing the top soil and rock to expose coal seams in its open cast mines --as the power sector, a major consumer of the dry fuel, has witnessed almost 30 per cent drop in fuel consumption amid the lockdown, a company official said. The enhancement in overburden removal will enable Coal India

  • THE COAL MINES REGULATIONS, 1957

    1 THE COAL MINES REGULATIONS, 1957 S.R.O.3419 dated the 24th October, 1957 In exercise of the powers conferred by section 57 of the Mines Act, 1952 (35 of 1952) and in supersession of the Indian Coal Mines

  • CIL shifts gears to overburden removal as coal demand ...

    May 03, 2020· Coal India has shifted its focus to overburden removal -- the process of removing the top soil and rock to expose coal seams in its open cast mines --as the power sector, a major consumer of the dry fuel, has witnessed almost 30 per cent drop in fuel consumption amid the lockdown, a company official said. The enhancement in overburden removal will enable Coal India Ltd (CIL)to accelerate

  • Coal India Arm MCL Reports 42.6% Growth In Overburden Removal

    May 27, 2020· The development assumes significance as Coal India (CIL) has shifted its focus to overburden removal - the process of removing the top soil and rock to expose coal seams in its open cast mines ...

  • (PDF) Mine Overburden Dump Failure: A Case Study

    Apr 01, 2014· In any open cast mine, the management of stripped spoil during mining is crucial to the mines successful operation. The improper management of the overburden

  • Environmental Impacts By Mining Activities Environmental ...

    Jan 01, 2015· Mining in Bundelkhand region are mainly carried out by opencast extraction method. Open cast mining involves the removal of overburden including the valuable topsoil and plus the natural vegetative cover to meet the ore deposits. These activities are associated with harmful effects to the local environment.

  • A Study of Physico-Chemical Characteristics of Overburden ...

    Coal, Opencast mines, Overburden materials, Bulk density, Organic carbon. I. C ntroduction present in India. Coal mining in India dates back to the 18th century. Coal has a relatively high importance for the economical growth of a country. An estimated 55% of India installed capacity of 124,287 MW of power generation is through coal based thermal

  • Coal India shifts gears to overburden removal as coal ...

    Coal India has shifted its focus to overburden removal -- the process of removing the top soil and rock to expose coal seams in its open cast mines --as the power sector, a

  • Mixing of Fly Ash with Coal Mine Overburden to Increase ...

    fly ash in these segments. Mining sector like mine void filling, underground stowing and mixing with overburden of open cast mine are the only potential area where bulk quantity of fly ash can be utilized so that utilization target can be achieved. There are more than 165 opencast coal mines in India and many are near to thermal power ...

  • List of open-pit mines - Wikipedia

    Mirny Mine diamond mine in Mirny, Eastern Siberia; Udachnaya pipe diamond mine in Yakutia, Russia; South Africa. The Big Hole a former diamond mine in Kimberley, dug to 240 m (790 ft) between 1871 and 1914, making it the deepest hand-excavated pit in the world.Now a museum. The Jagersfontein Mine operating between 1888 and 1971. This was hand-excavated to 201 m (660 ft) by 1911 ...

  • Restoration of Mined Areas | Ecological Restoration

    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.

  • Overburden management in open pits: options and limits in ...

    Mar 01, 2019· Overburden materials can be soil, soft and hard rock. A wide range of equipment can be utilised for overburden removal in open-cast mining, according to the ground type and the topographic context. If the excavated material cannot be reprocessed (either for economic or technical reasons), overburden has to be disposed by means of a range of ...

  • Mining in India - Wikipedia

    The mining industry in India is a major economic activity which contributes significantly to the economy of India.The GDP contribution of the mining industry varies from 2.2% to 2.5% only but going by the GDP of the total industrial sector it contributes around 10% to 11%. Even mining done on small scale contributes 6% to the entire cost of mineral production.

  • Mixing of Fly Ash in Coal Mine Overburden Dump: An Eco ...

    enviro-friendly manner. This paper presents a case study of an open cast coal mine where fly ash has been successfully disposed in overburden dump material. Keywords: fly ash, overburden dump, mine void, admixture of fly ash-overburden. 1. Introduction . India is the country which depends on coal to meet its power requirement. The total ...

  • Geotechnical Aspects of Overburden Materials for Stowing ...

    Jul 30, 2018· Warangal, India Warangal, India Abstract- This paper deals with the geotechnical aspects of overburden material from Srirampur open cast mines of manchiryal and to investigate its suitability to be used as a stowing material.

  • overburden in opencast mines

    Open cast mine planning | OPENCAST WORKINGS216 Кб. Steps in Opencast mining. Type of plans: It is suggested that in multi-seam working, higher rate of coal production should be planned from top seams.The width of the cut taken by the dragline in overburden shall as far as practicable be maintained constant throughout the face so that the...

  • Coal India PSU arm MCL reports 42.6% growth in overburden ...

    May 27, 2020· The development assumes significance as Coal India (CIL) has shifted its focus to overburden removal the process of removing the top soil and rock to expose coal seams in its open cast mines ...

  • (PDF) OPENCAST COAL MINING AT LARGE DEPTH IN INDIA ...

    In present review study authors, have tried to present a glimpse of the forthcoming constraints in deep seated opencast mining of coal deposits in India. With the increase in demand of coal in...

  • MINISTRY OF LABOUR AND EMPLOYMENT NOTIFICATION

    162 THE GAZETTE OF INDIA : EXTRAORDINARY [P ART IISEC. 3(i)] (zc) gassy seam of the third degree means a coal seam or part thereof lying within the precincts of a mine not being an open cast working in which the rate of emission of inflammable gas per tonne of

  • Effect of mine spoil on native soil of Lower Gondwana coal ...

    Mine spoils were collected from unreclaimed overburden dumps and nearest native soils were collected from the surroundings of open cast mines where local vegetation is already established. The overburden mine soils are collected by random grid method of 10 m x 10 m grid.

  • Impact of Mining Activity on environment: An Overview

    73944.59 Crore. (Annual Report 200405, 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.

  • Coal India's Odisha arm Mahanadi Coalfields reports 42.6 ...

    May 27, 2020· The development assumes significance as Coal India (CIL) has shifted its focus to overburden removal - the process of removing the top soil and rock to expose coal seams in its open cast mines.

  • OVERBURDEN DUMP SLOPE STABILITY: A CASE STUDY AT

    OVERBURDEN DUMP SLOPE STABILITY: A CASE ... We are also thankful to the mine officials of the Mungoli Open Cast Mines, Western Coal Field Ltd. at Wardha Valley who have extended all sorts of help for accomplishing this undertaking.

  • Evaluation of Coal Mine Overburden Clay for Assessing Its ...

    for more than 90% of the total coal produced in India. In opencast mining, first overburden (soil and rock lying above the coal seam) is removed to access the coal seam. Once the coal seam is exposed, it is mined out and overburden is backfilled in the mined-out area. The excess overburden is stacked near pit boundaries as external dumps.

  • Coal mining - Choosing a mining method | Britannica

    Open-pit mining. In open-pit mining of the coal seam, several benches are established in both the overburden strata and the coal seam. The open-pit method is generally practiced where thick coal seams are overlain by thick or thin overburden; it is also used for mining steeply pitching coal seams.

  • overburden removal: Latest News & Videos, Photos about ...

    Mar 24, 2021· Coal India shifts focus to top soil removal as demand dips; OB removal grows 10% in Apr. Coal India Ltd (CIL) has removed 114.43 million cubic meters of top soil or over burden in its open cast mines in April 2020 as compared to 104.22 million cubic meters during the same period last year.

  • Environmental Scenario of Chromite Mining at Sukinda ...

    2.3 Overburden generation Open cast chromite mining generates large quantity of over burden. Overburden generation from the mining activities in Sukinda valley for the year 2005 is given in Table 1. If it is not protected/treated properly then runoff from these over burden can

  • (PDF) Geotechnical study and optimal slope design at ...

    INTRODUCTIONThe Lajkura opencast coal project is located in the Orissa state of India. In Lajkura opencast mine, 22 m of overburden (OB) immediately above Lajkura Coal seam (having thickness of 18m) is being removed by deploying one no. of 10/70 Dragline machine. 30 m -50 m of OB above dragline bench is being removed by shovel and dumper combination in 3 -5 benches.

  • OPEN CAST MINE PLANNING - Mining and Blasting

    Sr. Mining Engineer OPEN CAST MINE PLANNING Factors that influence planning: 1) Demand of coal. a. Countrywide demand b. Regional demand 2) Distribution of coal deposits 3) Quality of coal 4) Pricing policy for coal 5) Available infrastructures: rail, road, power, etc. 6) Nature of deposits (influences site, area method of work, & equipments of ...

  • Opencast Mining - an overview | ScienceDirect Topics

    Mining and opencast mining in particular affect all components of ecosystems (Bradshaw, 1997). During opencast mining, material overlying the mined minerals, called overburden, is excavated and deposited in a heap. This heap can be located either inside the mine

  • Mine Overburden Dump Failure: A Case Study | SpringerLink

    Nov 27, 2013· In any open cast mine, the management of stripped spoil from mining is crucial to the mines successful operation. The improper management of the overburden (OB) dump can cause instability issues which may affect safety and production of the mine, for example, in-pit dumps minimise re-handling of OB material and are efficient in utilisation of available land (Kainthola et al. 2011;

  • SpringerLink - Journal of the Geological Society of India

    Dec 22, 2016· In opencast mining operation, the stability of waste materials stands at high priority from the safety and economic perspective. Poor management of overburden (OB) dump results the instability of slope in an opencast mine. The present paper deals with the stability analysis of dump material of an opencast coal mine at Talcher coal field, Angul district, Odisha, by means of different ...

  • open cast mine: Latest News & Videos, Photos about open ...

    Jun 18, 2020· CIL identifies 15 new mining projects to operate through MDO mode 18 Jun, 2020, 06.23 PM IST. Among the 15 identified mines, 12 blocks are open cast and three underground, Coal India (CIL) said in as statement. Combined, the mines have a

  • Coal India Arm MCL Reports 42.6% Growth In Overburden Removal

    May 27, 2020· The development assumes significance as Coal India (CIL) has shifted its focus to overburden removal - the process of removing the top soil and rock to expose coal seams in its open cast mines - on...

  • Air Pollution due to Opencast Coal Mining and It's Control ...

    Air Pollution due to Opencast Coal Mining and It's Control in Indian Context M K Ghose and S R Majee Centre of Mining Environment. Indian School of Mines, Dhanbad 826004, India Received: 29 January 200 I; accepted : 29 June 200 I Open cast mining dominates the coal production scenario in India.

  • Wirtgen surface miner technology maximises output at India ...

    May 06, 2020· One of the countrys largest coal mines, the Bhubaneswari coal mine, is located near the town of Talcher in the eastern Indian state of Odisha, where coal has been mined since the 1990s. Bhubaneswari Coal Mines Ltd (BCML) has operated the open-cast mine since 2011 and is part of Aditya Birla Groups Essel Mining division (EMIL).

  • Accidents in coal mines - SlideShare

    Aug 17, 2010· Accidents in coal mines 1. ACCIDENTS IN COAL MINES Coal is an important fossil fuel for generation of electricity and for other industrial purposes Mohammed Imran A.

  • (PDF) Impact of Bauxite Mining on Soil: A Case Study of ...

    International Research Journal of Environment Sciences_____ ISSN 23191414 Vol. 4(2), 77-83, February (2015) Int. Res. J. Environment Sci. Impact of Bauxite Mining on Soil: A Case Study of Bauxite Mines at Udgiri, Dist-Kolhapur, Maharashtra State, India Lad R. J.1* and Samant J.S.2 1 Department of Environmental Science, Shivaji University, Kolhapur, MS, INDIA 2 Development Research ...

  • Ecorestoration of Coal Mine Overburden Dump to Prevent ...

    Open cast mining is dominant mining practice in India, which contributes about 80% of total coal production, while underground mining contributes only 20%. Both of these mining practices have number of environmental problems. Open-cast mining generates huge amount of waste rock as and this overlying rock is heaped in the form of overburden ...

  • What is overburden removal in mining? - Quora

    A resource such as a coal bed has layers of other materials on overlying it, such as shales and sandstones. those unneeded materials are referred to as overburden. That material is removed to allow the resource to be collected. That material shoul...

  • Opencast Mining - an overview | ScienceDirect Topics

    S.K. Chaulya, G.M. 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 minimum ground cover area and also ...

  • A study on physico chemical properties of overburden dump ...

    Keywords: Coal, Opencast mines, Overburden materials, Bulk density, Organic carbon. 1. Introduction Coal is the most abundant fossil fuel resource present in India. Coal mining in India dates back to the 18th century. Coal has a relatively high importance for the economical growth of a country.