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drift mining encyclopedia

Drift mines | Article about Drift mines by The Free Dictionary

Underground mining of the high-grade portions of surface placers by Chinese laborers in Nevada in the 1800s, and drift mines in the gut of placers in permafrost, such as in Alaska and the Yukon, are other examples of underground placer operations.

Mining - definition of mining by The Free Dictionary

Define mining. mining synonyms, mining pronunciation, mining translation, English dictionary definition of mining. n. ... Encyclopedia; Wikipedia ... gallery - a horizontal (or nearly horizontal) passageway in a mine; "they dug a drift parallel with the vein" fathom, fthm - (mining) a unit of volume (equal to 6 cubic feet) used in measuring ...

Talk:Drift mining - Wikipedia

Drift mining is part of WikiProject Geology, an attempt at creating a standardized, informative, comprehensive and easy-to-use geology resource. If you would like to participate, you can choose to edit this article, or visit the project page for more information.

Drift mining - Simple English Wikipedia, the free 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. It was not safe because water could easily get in.

Mining Facts for Kids - Kiddle

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.

Drift mining - Wikipedia

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.

Drift : Wikis (The Full Wiki)

From Wikipedia, the free encyclopedia. Drift is a slow change and may refer specifically to:. In the literal sense of a change in position of a body: Drifting (motorsport), which is a sport where drivers intentionally induce oversteer, to be judged on their technique Drift (railroad), which in railroading is the cutting-off of power and using inertia alone to maintain forward movement

Mining - Wikipedia

Mining is the extraction of valuable minerals or other geological materials from the Earth, usually from an ore body, lode, vein, seam, reef or placer deposit.These deposits form a mineralized package that is of economic interest to the miner. Ores recovered by mining include metals, coal, oil shale, gemstones, limestone, chalk, dimension stone, rock salt, potash, gravel, and clay.

Mining | Britannica.com

Mining, process of extracting useful minerals from the surface of the Earth, including the seas. A mineral, with a few exceptions, is an inorganic substance occurring in nature that has a definite chemical composition and distinctive physical properties or molecular structure. (One organic

Mining - Underground mining | Britannica.com

Mining - Mining - Underground mining: When any ore body lies a considerable distance below the surface, the amount of waste that has to be removed in order to uncover the ore through surface mining becomes prohibitive, and underground techniques must be considered. Counting against underground mining are the costs, which, for each ton of material mined, are much higher underground than on the ...

Drift-mining - definition, etymology and usage, examples ...

Definition of Drift-mining in the Fine Dictionary. Meaning of Drift-mining with illustrations and photos. Pronunciation of Drift-mining and it's etymology. Related words - Drift-mining synonyms, antonyms, hypernyms and hyponyms. Example sentences containing Drift-mining

Drift mining Facts for Kids - Kiddle

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. Images for kids

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.

Drift mining - ipfs.io

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 ...

Surface Drift Mining Equipment - caesarmachinery.com

Surface Drift Mining Equipment Prompt : Caesar is a famous mining equipment manufacturer well-known both at home and abroad, major in producing stone crushing equipment, mineral separation equipment, limestone grinding equipment, etc.

Kids encyclopedia facts

Use the search form above to search over 700,000 articles in the Kiddle encyclopedia. Below is a list of some articles and categories to help you research different topics for school homework help and general education. All content from Kiddle encyclopedia articles (including the article images and facts) can be freely used for personal and educational purposes under Attribution-ShareAlike ...

Underground Mining Transportation Systems

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 the transport of pe rsons, materials and equipment to and from the underground. Figure 3 shows an inclined drift at Ikeshima

Wikipedia, the free encyclopedia

From today's featured article Science Fantasy was a British fantasy and science fiction magazine, launched in 1950 by Nova Publications. John Carnell edited the magazine beginning with the third issue, typically running a long lead novelette along with several shorter stories. Prominent contributors in the 1950s included John Brunner, Ken Bulmer, and Brian Aldiss, whose first novel Nonstop ...

Drift Mining Britannica - vriendenvanegodeni.nl

MINING — noun COLLOCATIONS FROM OTHER ENTRIES a mining community She was brought up in a small mining community in North … Longman DOCE5 Extras English vocabulary; DRIFT Longman DOCE5 Extras English vocabulary; MINING — n. coal mining data mining placer mining strip mining Britannica Concise Encyclopedia; MINING — n. Excavation of ...

Drift mine | Article about Drift mine by The Free Dictionary

The next instalment of the site-specific lightworks project is on Sunday in a drift mine at the Cleveland Ironstone Mining Museum in Skinningrove. Performance that is really down to earth Across from the museum's entrance is a drift mine designed to show a major local industry from the mid-19th century.

Footwall drift | mining | Britannica.com

In mining: Horizontal openings: drifts …the footwall is called a footwall drift, and drifts driven from the footwall across the ore body are called crosscuts. A ramp is also a type of drift. Read More

Drifters | Article about Drifters by The Free Dictionary

2013; Niiler 2001), in collaboration with the international partners of the Data Buoy Cooperation Panel (DBCP), a joint body of the World Meteorological Organization (WMO) and the Intergovernmental Oceanographic Commission (IOC) of the United Nations Educational, Scientific and Cultural Organization (UNESCO), has been deploying Surface Velocity Program (SVP) Lagrangian drifters drogued at 15-m ...

Drift mining - Infogalactic: the planetary knowledge core

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.

Drift - Wikipedia

Drift pin, a metalworking tool used to align parts; Drift mining, a nearly horizontal underground tunnel; Drift netting, a fishing technique where nets, called drift nets, are allowed to drift free in a sea or lake; Pipe drift, eccentricity or roundness in a pipe's inner wall; Music . Drift(Flotsam and Jetsam album), 1995

Drift | mining | Britannica.com

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.

Drift mining : definition of Drift mining and synonyms of ...

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]

Encyclopedia of Data Warehousing and Mining (2 Volumes ...

The Encyclopedia of Data Warehousing and Mining provides a comprehensive, critical and descriptive examination of concepts, issues, trends, and challenges in this rapidly expanding field of data warehousing and mining (DWM). This encyclopedia consists of more than 350 contributors from 32 countries, 1,800 terms and definitions, and more than ...

Mining - Horizontal openings: drifts | Britannica.com

Mining - 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. A drift running parallel to the ore body and lying in the footwall is called a footwall drift, and drifts ...

Drift mining - Wikipedia

Budge now had a track record in opencast and drift mining but if it was to convince investors that it was a serious bidder for British Coal it still needed to demonstrate the ability to operate deep mines, Further successful parliamentary lobbying eventually convinced the government to let private operators bid for those collieries British Coal had already placed on a care-and-maintenance basis.

Meaning of DRIFT MINING in English - slovar-vocab.com

MINING — noun COLLOCATIONS FROM OTHER ENTRIES a mining community She was brought up in a small mining community in North … Longman DOCE5 Extras English vocabulary; DRIFT Longman DOCE5 Extras English vocabulary; MINING — n. coal mining data mining placer mining strip mining Britannica Concise Encyclopedia; MINING — n. Excavation of ...