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drift mining encyclopedia

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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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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Drift mining Britannica - 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, haulage, ventilation, or exploration.

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Drift mining Article about drift mining by The Free ...

In drift mining, the height of working stalls - the tunnel the miners dig to get coal - is no bigger than the thickness of the coal seam. Mine was source of coal for more than a century Although cheaper, drift mining is often a more environmentally-intrusive way of removing coal from the ground than deep coal mining.

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Wikizero - Drift mining

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, Mining Process, Mining Techniques,

Drift Mining. Drift mining is a process of accessing precious geological material, like coal, by cutting into the side of the earth, rather than tunneling directly downwards. Drift mines have flat entries into the coal seam from a hillside. Drift mines are different from slope mines, which have a tending opening from the surface to the coal vein.

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Drift Mining Dangerous Gold Mining Technique

Drift mining was quite common during the early days of the Klondike Gold Rush and several other rich placers in the frozen north. The permafrost that is present at depths in Alaska and the Yukon allowed miners to tunnel underground and follow seams of rich gold-bearing gravels. A lot of drift mining also took place at Nome, where beach placers ...

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Drift mijnbouw - Drift mining - qaz.wiki

Drift mining methoden werden op grote schaal gebruikt om de mijne placer deposito's tijdens de eerste jaren (1899-) van de mijnstreek Nome . Tijdens de zomer konden oppervlakteafzettingen worden bewerkt, maar sommige placerafzettingen waren te diep begraven voor oppervlakteplakking.

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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 - 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.

More

Drift Mining, Mining Process, Mining Techniques,

Drift Mining. Drift mining is a process of accessing precious geological material, like coal, by cutting into the side of the earth, rather than tunneling directly downwards. Drift mines have flat entries into the coal seam from a hillside. Drift mines are different from slope mines, which have a tending opening from the surface to the coal vein.

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Drift mining - Unionpedia, the concept map

Drift mining and Feather River See more » Lorenzo Sawyer. Lorenzo Sawyer (May 23, 1820 ndash; September 7, 1891) was an American lawyer and judge who was appointed to the Supreme Court of California in 1860 and served as the ninth Chief Justice of California from 1868 to 1870. New!!: Drift mining and Lorenzo Sawyer See more » Mining

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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 mijnbouw - Drift mining - qaz.wiki

Drift mining methoden werden op grote schaal gebruikt om de mijne placer deposito's tijdens de eerste jaren (1899-) van de mijnstreek Nome . Tijdens de zomer konden oppervlakteafzettingen worden bewerkt, maar sommige placerafzettingen waren te diep begraven voor oppervlakteplakking.

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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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What is DRIFT MINING? What does DRIFT

theaudiopedia What is DRIFT MINING? What does DRIFT MINING mean? DRIFT MINING meaning -DRIFT MINING definition - DRIFT MINING expla...

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Definitions of drift mining - OneLook Dictionary

drift mining: Encyclopedia [home, info] Words similar to drift mining Usage examples for drift mining Words that often appear near drift mining Rhymes of drift mining Invented words related to drift mining: Search for drift mining on Google or Wikipedia.

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Drift - definition of drift by The Free Dictionary

Define drift. drift synonyms, drift pronunciation, drift translation, English dictionary definition of drift. v. ... Encyclopedia; Wikipedia ... (Mining Quarrying) a horizontal passage in a mine that follows the mineral vein. 14. (Agriculture) ...

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Drift Mining, Mining Process, Mining

Drift Mining. Drift mining is a process of accessing precious geological material, like coal, by cutting into the side of the earth, rather than tunneling directly downwards. Drift mines have flat entries into the coal seam from a hillside. Drift mines are different from slope mines, which have a tending opening from the surface to the coal vein.

More

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 - Prospector's Paradise

This type of mining is performed when the gold ore is on the side of a mountain. Drift mining is a process of accessing alluvial deposits by cutting into

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Drift

Drift, in Mining, a passage dug under the earth, betwixt shaft and shaft, or turn and turn.. Drift, in Navigation, the angle which the line of a ship's motion makes with the nearest meridian, when she drives with her side to the winds and waves, and is not governed by the power of the helm.It also implies the distance which the ship drives on that line.

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Drift mining : definition of Drift mining and

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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Drift Mining Dangerous Gold Mining Technique

Drift mining was quite common during the early days of the Klondike Gold Rush and several other rich placers in the frozen north. The permafrost that is present at depths in Alaska and the Yukon allowed miners to tunnel underground and follow seams of rich gold-bearing gravels. A lot of drift mining also took place at Nome, where beach placers ...

More

What is DRIFT MINING? What does DRIFT

31-12-2017  theaudiopedia What is DRIFT MINING? What does DRIFT MINING mean? DRIFT MINING meaning -DRIFT MINING definition - DRIFT MINING expla...

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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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Mining Encyclopedia

Mining Modern mining is an industry that involves the exploration for and removal of minerals from the earth, economically and with minimum damage to the environment. Mining is important because minerals are major sources of energy [1] as well as

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Drift - definition of drift by The Free Dictionary

Define drift. drift synonyms, drift pronunciation, drift translation, English dictionary definition of drift. v. ... Encyclopedia; Wikipedia ... (Mining Quarrying) a horizontal passage in a mine that follows the mineral vein. 14. (Agriculture) ...

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Drift mining Project Gutenberg Self-Publishing

Drift mining: part our commitment to scholarly and academic excellence, all articles receive editorial review.... World Heritage Encyclopedia, the aggregation of the largest online encyclopedias available, and the most definitive collection ever assembled.

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Drift mining - newikis

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 - Prospector's Paradise

This type of mining is performed when the gold ore is on the side of a mountain. Drift mining is a process of accessing alluvial deposits by cutting into

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drift mining - Wiktionary

drift mining. Definition from Wiktionary, the free dictionary. Jump to navigation Jump to search. English . English Wikipedia has an article on: drift mining. Wikipedia . Noun . drift mining (uncountable) Mining for gold by means of drifts in the gravel and detritus of old riverbeds.

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drift mining - australian_english.enacademic

drift mining. drift mining: translation /ˈdrɪft maɪnɪŋ/ (say 'drift muyning) noun mining by means of horizontal or slightly inclined tunnels or drifts, as against the use of vertical shafts. Australian English dictionary.

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Popular Mining Encyclopedia Volume I: Action Mining: Amazon.nl

Popular Mining Encyclopedia Volume I: Action Mining: Amazon.nl Selecteer uw cookievoorkeuren We gebruiken cookies en vergelijkbare tools om uw winkelervaring te verbeteren, onze services aan te bieden, te begrijpen hoe klanten onze services gebruiken zodat we verbeteringen kunnen aanbrengen, en om advertenties weer te geven.

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Drift Nets Encyclopedia

Drift nets Drift nets are used in large-scale commercial fishing operations. Miles-long in length, nets are suspended from floats at various depths and set adrift in open oceans to capture fish or squid. Drift nets are constructed of a light, plastic monofilament that resists rotting. These nets are generally of a type known as gill nets, because fish usually become entangled in them by

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Mining The Canadian Encyclopedia

Although mining has been key to Canadian settlement and development, in recent decades the industry has also been criticized for its environmental and social impacts. Canada remains one of the world’s leading mining countries and has become a centre of global mining finance and expertise. Description

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drift and fill mining method -

underground mining drift crusherasia crusherasia 825032Mining News, Mining Projects. 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 . Inquire Now; Hardrock Mining TechniquesUnderground MinesMinings Method greatmining ...

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Drift Mining - YouTube

13-11-2016  Sampling Drift Mine Decomposing Bedrock Contact. DISCOVERY/ANCIENT RIVER BED DRIFT MINE FOUND WITH GOLD!! WHILE PROSPECTING R.A.D - Duration: 17:12. CALIFORNIA GOLD RUSH 4,812 views

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