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Drift mining — Wikipedia Republished // WIKI 2

Drift mining is either the mining of an ore deposit by underground methods, or the working of coal seams accessed by adits driven into the surface outcrop of the coal bed. A drift mine is an underground mine in which the entry or access is above water level and generally on the slope of a hill, driven horizontally into the ore seam. Random House dictionary says the origin of the term "drift ...

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Drift mining - WikiMili, The Free Encyclopedia

Drift mining is either the mining of an ore deposit by underground methods, or the working of coal seams accessed by adits driven into the surface outcrop of the coal bed. [1] A drift mine is an underground mine in which the entry or access is above water level and generally on the slope of a hill, driven horizontally into the ore seam. [2] Random House dictionary says the origin of the term ...

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Underground Mining Drift

Drift mining - Wikipedia, the free encyclopedia . Drift mining is either the mining of an ore deposit by underground methods, or the working of coal seams accessed by adits driven into the surface outcrop of the coal . Get Price And Support Online; 11 Amazing Underground Places In Pennsylvania.

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Historical US drift mining (coal)

Drift mining is either the mining of an ore deposit by underground methods, or the working of coal seams accessed by adits driven into the surface outcrop of the coal bed. A drift mine is an underground mine in which the entry or access is above water level and generally on the slope of a hill, driven horizontally into the ore seam. Random House dictionary says the origin of the term "drift ...

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Drift mining - Infogalactic: the planetary .

Drift mining is either the mining of an ore deposit by underground methods, or the working of coal seams accessed by adits driven into the surface outcrop of the coal bed. A Drift Mine is an underground mine in which the entry or access is above water level and generally on the slope of a hill, driven horizontally into the ore seam. Random House dictionary says the origin of the term "drift ...

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Drift Mining Britannica - villamartinapalinuro

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Drift mining - Encyclopedia Britannica. In mining: Horizontal openings: drifts. All horizontal or subhorizontal development openings made in a mine have the generic name of drift. These are simply tunnels made in the rock, with a size and shape depending on their use—for example, ...

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Mining Facts for Kids - Kids encyclopedia facts

22.05.2020 · Mining is the process of mining stuff out of the ground. Any material that cannot be grown must be mined. Mining things from the ground is called extraction.Mining can include extraction of metals and minerals, like coal, diamond, gold, silver, platinum, copper, tin and iron.Mining can also include other things like oil and natural gas.. Some mining is done by scraping away the soil (dirt ...

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Drift mining | Article about drift mining by The .

Although cheaper, drift mining is often a more environmentally-intrusive way of removing coal from the ground than deep coal mining. Rather than tunnelling down, drift mining is done by cutting into the side of the earth, with tunnels that can be accessed on foot.

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Underground Mining Transportation Systems

UNESCO – EOLSS SAMPLE CHAPTERS CIVIL ENGINEERING – Vol. II - Underground Mining Transportation Systems - K. Matsui ©Encyclopedia of Life Support Systems (EOLSS) 2.2. Inclined Shafts or Inclined Drifts Many underground mines use an inclined shaft fo r .

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Drift mining - Simple English Wikipedia, the free .

Drift mining is a way of mining where tunnels are dug horizontally.It was used by the coal industry in the 1700s. It would follow a coal seam into a hillside. It was not very safe which is why it wasn't used much. It was not safe because water could easily get in.

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Slope mining - WikiMili, The Free Encyclopedia

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Slope mining Last updated February 22, 2019. Slope mining is a method of accessing valuable geological material, such as coal or ore.A sloping access shaft travels downwards towards desired material. Slope mines differ from shaft and drift mines, which access resources by tunneling straight down or horizontally, respectively.In slope mining, the primary access to the mine is on an incline.

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Drift financial definition of drift

At first the horse held back, then he jerked forward, hoping to leap the drift, but he had not the strength and sank into it up to his collar. 'Whoa, whoa, whoa!' he said to himself as he fell, and he tried to stop his fall but could not, and only stopped when his feet plunged into a thick layer of snow that had drifted to the bottom of the hollow.

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Drift mining - WikiZero - Free Encyclopedia

Drift mining is either the mining of an ore deposit by underground methods, or the working of coal seams accessed by adits driven into the surface outcrop of the coal bed. A drift mine is an underground mine in which the entry or access is above water level and generally on the slope of a hill, driven horizontally into the ore seam. Random House dictionary says the origin of the term "drift ...

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Drift mining - Simple English Wikipedia, the free .

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Drift mining is a way of mining where tunnels are dug horizontally.It was used by the coal industry in the 1700s. It would follow a coal seam into a hillside. It was not very safe which is why it wasn't used much. It was not safe because water could easily get in.

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Drift_(mining) : definition of Drift_(mining) and .

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Drift mining is either the mining of a placer deposit by underground methods, or the working of coal seams accessed by adits driven into the surface outcrop of the coal bed. Drift is a more general mining term, meaning a near-horizontal passageway in a mine, following the bed (of coal, for instance) or vein of ore. A drift may or may not intersect the ground surface. [1]

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Mining Facts for Kids - Kids encyclopedia facts

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22-5-2020 · Mining is the process of mining stuff out of the ground. Any material that cannot be grown must be mined. Mining things from the ground is called extraction.Mining can include extraction of metals and minerals, like coal, diamond, gold, silver, platinum, copper, tin and iron.Mining can also include other things like oil and natural gas.. Some mining is done by scraping away the soil (dirt ...

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Drift mine - English to English Translation

Drift mining is either the mining of an ore deposit by underground methods, or the working of coal seams accessed by adits driven into the surface outcrop of the coal bed. A drift mine is an underground mine in which the entry or access is above water level and generally on the slope of a hill, driven horizontally into the ore seam.

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drift mining britannica

Drift mining - Encyclopedia Britannica. In mining: Horizontal openings: drifts. All horizontal or subhorizontal development openings made in a mine have the generic name of drift. These are simply tunnels made in the rock, with a size and shape depending on their use—for example, ...

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Drift mining Facts for Kids - Kids encyclopedia .

Drift mining is a way of mining where tunnels are dug horizontally.It was used by the coal industry in the 1700s. It would follow a coal seam into a hillside. It was not very safe which is why it wasn't used much.

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Underground Mining Drift

Drift mining - Wikipedia, the free encyclopedia. Drift mining is either the mining of an ore deposit by underground methods, or the working of coal seams accessed by ... Read more. underground mining drift - Menghancurkan Peralatan.

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Drift | Encyclopedia

drift / drift / • v. [intr.] 1. be carried slowly by a current of air or water: the cabin cruiser started to drift downstream | fig. excited voices drifted down the hall. ∎ (of a person) walk slowly, aimlessly, or casually: people began to drift away. ∎ move passively, aimlessly, or involuntarily into a certain situation or condition: I was drifting off to sleep | Lewis and his father ...

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