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rat hole mining advantages

rat hole mining advantages

Feb 20 2019 · Rathole mining is broadly of two types – sidecutting and boxcutting Although the coal is of bad quality people see it as a treasurechest In backward regions where there is loss of livelihood lack of employment opportunities and undereducation people see rathole mines as an opportunity to earn daily bread

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  • What is rat hole mining

    What is rat hole mining

    Rat hole mining is a term used in coal mining and is so named because of its name during colonial times the sistema del rato and because of the sizes of the holes Generally done illegally this

  • Rat Hole Mining Drishti IAS

    Rat Hole Mining Drishti IAS

    Despite a ban rathole mining remains a prevalent practice for coal mining in Meghalaya where a mine has recently collapsed Rat hole mining involves digging of very small tunnels usually only 34 feet high which workers often children enter and extract coal The National Green Tribunal NGT banned it in 2014 on grounds of it being unscientific and unsafe for workers

  • The Structural Problems of RatHole Mining in Meghalaya

    The Structural Problems of RatHole Mining in Meghalaya

    Despite a ban on rathole mining in Meghalaya from 2014 the profitability of the industry has meant that no real efforts are being made to implement the ban effectively On 17 April 2014 India’s National Green Tribunal NGT temporarily banned rathole mining in Meghalaya

  • Importance of Hydrothermal Vents Mining Metals

    Importance of Hydrothermal Vents Mining Metals

    However mining metals from deep in the ocean has generally been considered very costly and not very practical Some scientists also have concerns about the impact of mining operations on the seafloor environment and the animal communities around vents Now however the idea of mining seafloor hydrothermal deposits is gaining ground

  • Drilling and Blasting Technical Aspects of Mining

    Drilling and Blasting Technical Aspects of Mining

    Mining is the largest consumer of civil explosives Mining explosives are substances which detonate to produce a highintensity shock wave and large volumes of gas which being confined in a hole expand rapidly entering existing minor cracks in the rock and creating new cracks to break the rock

  • Understanding charging and blasting Mining Technology

    Understanding charging and blasting Mining Technology

    Jan 07 2020 · They are safe to transport and handle underground until placed in the drill hole and charged Other advantages of underground emulsion charging over ANFO charging are a 20 to 25 total cost savings 100 to 200 less power consumption of charging EQ at work face and less nitrate emissions meaning it is more environmentally friendly

  • Types of Underground Mining Method Comparison

    Types of Underground Mining Method Comparison

    Table of ContentsFactors Affecting Choice of MethodReview of Stoping MethodsUnderhand Stoping Mining MethodOverhand Stoping MethodLongitudinal Back FlatBack Mining MethodLongWall StopingmMining MethodRillCut Stoping MiningSawTooth Back StopingShrinkage StopingMining by Combination StopingSide StopingBreast StopingSublevel StopingSquareSet StopingFilling

  • OPINION How to end rathole mining in Meghalaya Energy

    OPINION How to end rathole mining in Meghalaya Energy

    OPINION How to end rathole mining in Meghalaya The precarious predicament of these miners is a testament to collective failure of the state machinery the judiciary and

  • Rat Hole Mining Concerns and challenges UPSC Notes

    Rat Hole Mining Concerns and challenges UPSC Notes

    This article will describe in detail regarding rat hole mining These UPSC Notes on rat hole mining are aligned with the UPSC Syllabus and aspirants should prepare this topic for General Studies Paper III Rat hole mining and its related concerns and challenges are often seen in the news and hence the topic’s relevance for the UPSC Mains

  • Explained What is rathole mining IndiaToday

    Explained What is rathole mining IndiaToday

    Dec 29 2018 · But what is rathole mining and why is it so risky and unscientific India Today explains what is unique about the much talked about rathole mining December 29 2018 17 3 advertisement Related Trending Videos 0509 IndiaChina foreign ministers meet a positive development a

  • Advantages and disadvantages of open pit mining

    Advantages and disadvantages of open pit mining

    Apr 02 2018 · Advantages and disadvantages of open pit mining Open pit mining is profitable when the deposit is not very deep or when the terrain is sandy or delicate so that underground mining is not possible Labor costs are lower both in excavation and transportation and allow the use of

  • Importance of Hydrothermal Vents Mining Metals

    Importance of Hydrothermal Vents Mining Metals

    However mining metals from deep in the ocean has generally been considered very costly and not very practical Some scientists also have concerns about the impact of mining operations on the seafloor environment and the animal communities around vents Now however the idea of mining seafloor hydrothermal deposits is gaining ground

  • What is rat hole mining where is it practiced

    What is rat hole mining where is it practiced

    Rat hole mining is a term used in coal mining and is so named because of its name during colonial times the sistema del rato and because of the sizes of the holes Generally done illegally this type of mining is mainly carried out in the Northeast regions of India mainly the state of Meghalaya by members of the community or families

  • Do local communities benefit from mining

    Do local communities benefit from mining

    In a recently published paper we investigate the local impacts of mining activity assessing whether the benefits of mining trickled down to the local population during the recent mining boom in the 1990s and 2000s the value of Peruvian mining exports grew by fifteen times and since early 2000s onehalf of fiscal revenues from

  • Underground Drilling International Mining

    Underground Drilling International Mining

    Designed for bulk mining applications the StopeMaster is capable of drilling holes measuring 64 to 106 mm in diameter – at up to 35 m depths while the smaller more compact StopeMate can fit into a lift cage and drill holes at depths of 12 to 15 m Both drills are offered in standard and HX versions

  • Meghalaya suspends rathole coal mining Down to Earth

    Meghalaya suspends rathole coal mining Down to Earth

    Aug 17 2015 · Mining activity in Jaintia hills is a small scale venture controlled by individuals who own the land it is a primitive mining method and has been in practice in Jaintia hills and the state for years now The method of rathole mining involves digging pits ranging from five to 100 m2 into the ground to reach the coal seam

  • Ban of rat hole mining across Meghalaya India EJAtlas

    Ban of rat hole mining across Meghalaya India EJAtlas

    Dec 23 2018 · 7 NGT ban on rathole mining in Meghalaya to continue Down to Earth report by Anupam Chakravartty 11 June 2014 click to view 12 Supreme Court hears the case of coal mining ban click to view 15 The role of coal mining for the state elections in Meghalaya click to view 16

  • PDF Underground Mining Methods Room and Pillar method

    PDF Underground Mining Methods Room and Pillar method

    To minimise mining loses and also provide high safety conditions proper dimensioning of pillars using geomechanics must be considered 5 Figure 2 below illustrates typical pillar failure

  • Rathole mining rampant in Meghalaya despite NGT ban

    Rathole mining rampant in Meghalaya despite NGT ban

    Dec 25 2018 · Kharshiing had reportedly captured photographs of illegal rathole mining in the district and was stopped by miscreants on their way back Rathole mining involves digging of narrow tunnels usually 34 feet high for workers to enter and extract coal The horizontal tunnels are often termed ratholes as each just about fits one person

  • The high human ecological cost of rathole mining

    The high human ecological cost of rathole mining

    What is rathole mining It is a primitive and hazardous method of mining for coal with tunnels that are only 34 feet in diameter hence rathole leading to pits ranging from 5100 sq mt deep

  • Everybody loves rathole mining in Meghalaya India News

    Everybody loves rathole mining in Meghalaya India News

    Dec 28 2018 · The ban on rathole mining by the National Green Tribunal NGT in 2014 and restrictions on limestone extraction were major poll issues during the February 2018 assembly elections in the state About 30 per cent of the 374 candidates who contested the elections were either owners of mines or have stakes in the largely unregulated coal mining

  • RatHole Mining Rampant in Meghalaya Despite NGT Ban

    RatHole Mining Rampant in Meghalaya Despite NGT Ban

    RatHole Mining Rampant in Meghalaya Despite NGT Ban Rathole mining involves digging of narrow tunnels usually 34 feet high for workers to enter and extract coal Representative image

  • Define mines and what is rat hole mining explain briefly

    Define mines and what is rat hole mining explain briefly

    Rathole mining is a local form of coal mining prevalent in tribal areas of the northeast where some minerals like coal iron ore limestone and dolomite are owned by individuals andcommunities In Jowai and Cherrapunji in Meghalaya coal mining is done by family members

  • Intelligent Mining Technology for an Underground Metal

    Intelligent Mining Technology for an Underground Metal

    Jun 01 2018 · An underground mining truck is the main transport vehicle for underground trackless mining and has the advantages of mobility flexibility high efficiency and economy Mining trucks have been widely used to transport ore in underground mines

  • A better way to presplit Mining Construction online

    A better way to presplit Mining Construction online

    Meanwhile in Sweden presplitting is a major part of the operation at the Aitik mine with ROC rigs doing the presplitting work and Pit Viper rigs taking care of the production hole drilling Here 165 mm presplit holes are drilled at 20 degree angles on 33 m double benches The holes are spaced 18 m apart and are fired just ahead of the

  • Understanding charging and blasting Mining Technology

    Understanding charging and blasting Mining Technology

    Jan 07 2020 · They are safe to transport and handle underground until placed in the drill hole and charged Other advantages of underground emulsion charging over ANFO charging are a 20 to 25 total cost savings 100 to 200 less power consumption of charging EQ at work face and less nitrate emissions meaning it is more environmentally friendly

  • NGT ban on rathole mining in Meghalaya to continue

    NGT ban on rathole mining in Meghalaya to continue

    Aug 17 2015 · The NGT had put an interim ban on rathole coal mining after the Assambased All Dimasa Student’s Union and Dima Hasao district committee filed a petition stating the acidic discharge from unscientific coal mines of Meghalaya was polluting the Kopili river downstream

  • CDC Mining Comparison of Rotary and InHole Motor

    CDC Mining Comparison of Rotary and InHole Motor

    Findings indicate that drilling with an inhole motor offers four advantages over rotary drilling namely an increase in drilling productivity fewer workerhours required ease of maintaining vertical and horizontal bit trajectory and less expensive drilling cost per foot of borehole

  • What does the future hold for automation in the mining

    What does the future hold for automation in the mining

    Mar 27 2020 · Resolute Mining has been experimenting with autonomous technology Credit Resolute Mining Full automation has also led to another unexpected benefit Previously Resolute relied on expatriate miners who were well trained in drill operation and other technical aspects of mining to be flown in and out of the site

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