mining terminology pit walls flat section

Glossary of Mining Terms RocksandMinerals

With regard to mining, geotechnical engineering principles are used to determine the appropriate design of mine features such as pit walls, tunnels, and earthen embankments. Gob — The term applied to that part of the mine from which the coal has been removed and the space more or less filled up with waste. Also, the 

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Reading: Mining Geology

Openpit mining, or opencast 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 differs The inclined section of the wall is known as the batter, and the flat part of the step is known as the bench or berm. The steps in the walls 

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Open Pit Mining TechniquesSurface MinesRock or Mineral Extraction

The walls are stepped. The inclined part of the wall is called the batter, and the flat part of the step is called as the bench or perm. The steps in the walls help avert rock falls continuing down the entire face of the wall. In some instances additional ground support is needed and rock bolts, cable bolts and shotcrete are utilized.

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Glossary MineralsUK British Geological Survey

Adit – common mining term for a horizontal to sub–horizontal tunnel driven into a hillside to access an ore body. Agglomerate – a volcanic rock . Remotely operated cutting or boring machines are used to penetrate the coal seam at the foot of the highwall (the final wall in an open–pit) to extract coal. Holocene – period of 

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A Glossary of Cornish Mining Terms

A simple lever based device which used the reciprocal movement of pump rods/flat rods whereby the direction Timber partitioning in a mine e.g. the Lagging Boards that lined the upper portion of a shaft where it was between the cylinder pit and Bob Wall, containing the regulating apparatus, and giving access to the 

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Mining Terminology SNOLAB

In SNOLAB the drifts have flat floors, flat, vertical walls and an arched roof or back. The height at the highest point of the back is the height of the wall plus one third the width of the drift. Dry A mining term for change rooms. They got the name because these rooms are usually kept at an elevated temperature to facilitate drying 

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Mining MethodsPart II: Surface MiningPlanning and Design of

Definition of Open pit Mining Parameters:Open pit Mining method Bench Open Pit Bench Terminology Bench height Cutoff grade Open Pit Stability: Pit slope Pit wall stability Rock strength Pit Depth Pit diameter Water Damage Strip Ratio (SR) Openpit mining sequence Various openpit and orebody configurations 

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Surface mining planning and design of open pit mining SlideShare

Jan 9, 2016 Definition of Open pit Mining Parameters, Open pit Mining method, Bench, Open Pit Bench Terminology Bench height Cutoff grade Open Pit Stability, Pit Dr. H.Z. Harraz Presentation Mining Methods, Surface mining Fig.6: Vertical section through a pit wall • Quarries in strong rock can sustain about 80 to 

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Chapter 74 Mining and Quarrying

Moreover, particularly in the case of itinerant miners, there is frequently no longterm interest in preserving the land for use after the mining has ceased. The challenge is to show .. height convenient for the miners. The section below is recovered in horizontal slices, by drilling flat holes and blasting against the space above.

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Glossary of Mining Terminology

Bench A horizontal section of coal seam included between parting of coal or shale. . Face The end wall at the working extremity of any excavation in a mine. . from the bords and left in the pillars). The latter's extraction is the final mining process. Pit A mine. Plane An incline on which a track is laid on which to lower 

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Glossary Cornish Mining World Heritage Site

A simple leverbased device. When using it, the direction of a reciprocal motion (e.g. of pump rods, flat rods) could be changed (e.g. from horizontal to vertical). BRATTICING. Timber partition work in a mine, for instance the LAGGING BOARDS which lined the upper section of a shaft where it ran through soft ground.

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GroundControlinOpenPitMines Safe Work Australia Public

This Code of Practice (this Code) on ground control for open pit mines is an approved code of practice under section 274 of the Work Health and Safety Act (the . Subsequently, pit wall design is a significantly challenging task, and the mine operator must ensure that, through the diligent appliion of sound geotechnical 

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Coal mining Choosing a mining method Britannica

Coal mining Choosing a mining method: The various methods of mining a coal seam can be classified under two headings, surface mining and underground mining. Surface and underground coal mining are broad activities that incorporate numerous variations in equipment and methods, and the choice of which method 

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mining terms glossary British Caving Association

MINING TERMS used in the LCMLA Scheme Bell Pit Primitive form of mining – involving sinking of a shaft to a shallow seam, and mining outwards to the point of collapse. Billy Box Coffin level A narrow tunnel, coffin shaped in section, usually dating to the early mining period and driven without the use of explosives.

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An Introduction To Surface Mining AZoMining

May 18, 2012 Mining has been a part of life since antiquity and it is still the backbone of the world's commerce and production.This article will concentrate on Surface These mining egories are: strip mining, openpit mining, mountaintop removal, dredging and high wall mining. All methods of surface mining will 

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Glossary of Mining and Geordie words. Durham Mining Museum

Baff week: At one time the miners' were paid on a two weeks basis. The baff week was the second week. Bait: A snack (usually sandwiches), called snap in some collieries. Bank: The pit surface area. Banksman:The banksman was in charge of the surface shaft side at the colliery. He controlled the access of men to the 

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Comparative study of mining methods for reserves beneath end

They also probed into the relationship between the end slope coal extraction and the dumping and mining of open pit in Anjialing surface mine. They further proposed a mining method named "Top Coal Carving Method with Supportive Coal Wall". According to this method, a working face is set in the end slope using 

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introduction to mining Ciencia Viva

mining terminology is introduced in the sections of this book where they are .. the first modern mine was an open pit, subsequent operations were .. support the walls. The fill can be rock waste, tailings, cemented tailings, or other suitable materials. Cutandfill mining is one of the more popular methods used for vein 

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Glossary of Scotch Mining Terms Scottish Mining Website

Aug 24, 2008 BARRIER, A strip of mineral left unworked, e.g. along the march or between two sections of a mineral field. BEN, Inwards towards the workings the workman's right to enter the pit hence the term claiming his ben, i.e., going to the pit in the morning and having his right to enter the pit and have hutches in 

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geotechnical considerations in open pit mines Department of

considered to be an integral component of Part 2 of the Mines Safety and Inspection Act 1994. (MSIA). It is emphasised that this . the pit. (f) appropriate drilling and blasting procedures are used to develop final walls and. (g) appropriate methods of open pit wall monitoring are used over a period of time to determine wall 

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Glossary of Mining Terminology

The Glossary of Mining Terminology is a living document that will continue to be improved as the industry develops and Inuktitut speakers become more accustomed to the language used by the industry. the twolayered, hard portion of the Earth's surface which underlies and forms the continents and continental shelves

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Glossary of Scotch Mining Terms Scottish Mining Website

Aug 24, 2008 BARRIER, A strip of mineral left unworked, e.g. along the march or between two sections of a mineral field. BEN, Inwards towards the workings the workman's right to enter the pit hence the term claiming his ben, i.e., going to the pit in the morning and having his right to enter the pit and have hutches in 

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Mining Terminology SNOLAB

In SNOLAB the drifts have flat floors, flat, vertical walls and an arched roof or back. The height at the highest point of the back is the height of the wall plus one third the width of the drift. Dry A mining term for change rooms. They got the name because these rooms are usually kept at an elevated temperature to facilitate drying 

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3 Technologies in Exploration, Mining, and Processing

Modeling of these processes has been limited by significant gaps in thermodynamic and kinetic data on ore and gangue (waste) minerals, wallrock minerals, and alteration products. With the .. Quarrying is similar to openpit mining except the term is commonly applied to the extraction of dimension stone and aggregates.

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Glossary of Mining Terms SEC.gov

Alteration Any physical or chemical change in a rock or mineral subsequent to its formation. Milder and more localized than metamorphism. Amorphous A term applied to rocks or minerals that possess no definite crystal structure or form, such as amorphous carbon. Amortization The gradual and systematic writing off of a 

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Pit Terminology Healey Hero

Abattib (Leicestershire Coal Field) Walls or ranges of branch or rough wood (cordwood) placed crossways to keep the underground roads open for ventilation, etc. Abtheilung (Prussian). A fixed part' or district of a mine assigned to the care of a fireman or deputy. Acre Unit of land standardised by Edward I, 40 rods x 4 

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Pit Terminology Healey Hero

Abattib (Leicestershire Coal Field) Walls or ranges of branch or rough wood (cordwood) placed crossways to keep the underground roads open for ventilation, etc. Abtheilung (Prussian). A fixed part' or district of a mine assigned to the care of a fireman or deputy. Acre Unit of land standardised by Edward I, 40 rods x 4 

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Underground mining (hard rock) Wikipedia

Declines are often started from the side of the high wall of an open cut mine when the ore body is of a payable grade sufficient to support an underground mining operation, but the strip ratio has become too great to support open cast extraction methods. They are also often built and maintained as an emergency safety 

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