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Topic: Mining


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In the News (Fri 16 Nov 18)

  
  BBC NEWS | England | Shropshire | Concerns raised over mining plans
Concerns have been raised over plans to mine thousands of tonnes of coal near the Wrekin in Shropshire.
UK Coal has plans for open cast mining at New Works and Huntington, Little Wenlock, Telford.
The company wants to mine 900,000 tonnes of coal over 32 months, with 100 lorries a day transporting it.
news.bbc.co.uk /go/rss/-/1/hi/england/shropshire/7122574.stm   (215 words)

  
  Mining
In the case of longwall mining of coal, self-advancing roof supports, made of hydraulic jacks and metal plates, are moved ahead, allowing the ceiling in the mined area to cave in as the miners work back towards the tunnel entrance.
In surface mining, the layers of topsoil, or overburden, that were removed in order to reach the mineral are used to fill in the mine and reshape the land.
Like the metal mining industry, the nonmetallic mineral mining industry is influenced by the strength of the industries that use nonmetals in the manufacture of their products; these are industries in which employment is impacted by swings in the economy.
www.bls.gov /oco/cg/cgs004.htm   (4811 words)

  
  Mining - MSN Encarta
Many state mining laws require mines to be equipped with at least two points of entry and egress to improve the degree of safety for miners.
Ventilation is important because of the presence in coal mines of dangerous gases such as methane and carbon dioxide.
The stopes, on completion of mining, may be allowed to remain empty, if adequately supported, or may be filled with material, usually waste rock, brought down from the surface to support the exhausted stope and ensure safety of mining operations in adjacent stopes.
encarta.msn.com /encyclopedia_761575410/Mining.html   (2490 words)

  
  Mining - Wikipedia, the free encyclopedia
Mining is the extraction of valuable minerals or other geological materials from the earth, usually (but not always) from an ore body, vein, or (coal) seam.
Another early mining operation was the turquoise mine operated by the ancient Egyptians at Wady Maghareh on the Sinai Peninsula.
Turquoise was also mined in pre-Columbian America in the Cerillos Mining District in New Mexico, where a mass of rock 200 feet (60 m) in depth and 300 feet (90 m) in width was removed with stone tools; the mine dump covers 20 acres (81,000 m²).
en.wikipedia.org /wiki/Mining   (929 words)

  
 UNEP-Mining-Home
Mining is an economic activity that consists of the extraction of potentially usable and non - renewable mineral resources (excluding petroleum, natural gas and water) from land or sea without involving agriculture, forestry or fisheries.
Mining is one of the oldest industry sectors and its history has evolved with humanity history.
UNEP works with the mining sector towards ensuring that all aspects of operations are not only safeguarding the environment, but are also contributing to the local social and economic development.
www.uneptie.org /pc/mining   (201 words)

  
 Data mining - Wikipedia, the free encyclopedia
Although it is usually used in relation to analysis of data, data mining, like artificial intelligence, is an umbrella term and is used with varied meaning in a wide range of contexts.
Another pitfall of using data mining is that it may lead to discovering correlations that may not exist.
Data mining has been cited as the method by which the U.S. Army unit Able Danger supposedly had identified the 9/11 attack leader, Mohamed Atta, and three other 9/11 hijackers as possible members of an al Qaeda cell operating in the U.S. more than a year before the attack.
en.wikipedia.org /wiki/Data_mining   (1761 words)

  
 mining
Mining operations are classified, by industry, on the basis of the principal mineral produced, or in the case of no production, on the basis of the principal mineral for which exploration or development work is in process.
Mining and quarrying of nonmetallic minerals, except fuels (SIC 14), includes establishments primarily engaged in mining or quarrying, developing mines, or exploring for nonmetallic minerals, except fuels.
Virtually all the employment growth in mining is projected to occur within the nonmetallic mineral industry—based on the increased demand for sand and gravel and crushed stone by its major end-use market of construction.
www.wa.gov /esd/lmea/sprepts/indprof/mining.htm   (1412 words)

  
 Mining
The strength of Colorado’s Mining industry continues to be related to Construction while the weakest area continues to be Oil and Gas Extraction.
Mining and Quarrying of Non-Metallic Minerals, Except Fuels average annual employment increased for the third consecutive year.
Although Metal Mining employment declined from 2,265 to 2,021, the average wage increased from $74,155 to $112,965 due to corporate bonuses.
www.coworkforce.com /lmi/es202/99ANNUAL/mining.htm   (416 words)

  
 Methods of Mining. University of Kentucky
According to the Kentucky Department of Mines and Minerals, 131.8 million tons of coal was mined in Kentucky in 2000; 62 percent (81 million tons) was from underground mines and 38 percent (50 million tons) was from surface mines.
Shaft mines are the deepest mines; a vertical shaft with an elevator is made from the surface down to the coal.
Contour mines are surface mines that mine coal in steep, hilly, or mountainous terrain.
www.uky.edu /KGS/coal/coal_mining.htm   (716 words)

  
 Data Mining Vita @ NaturalResearch.org (Natural Research)   (Site not responding. Last check: )
Used in the technical context of data warehousing and analysis, the term "data mining" is neutral.
Most data mining efforts are focused on developing a finely-grained, highly detailed model of some large data set.
Self-Organising Data Mining Extracting Knowledge From Data Data Mining Book by Johann-Adolf Müller and Frank Lemke with Preface by Prof.
www.naturalresearch.org /encyclopedia/Data_mining   (1533 words)

  
 Mining
Mining companies make money from the rocks and minerals that they dig up.
For example, when we visited the coal mine, we were told that there is lots of coal left in the mine.
Mining companies decide which one to use when they figure out where the mineral is. This means that if the mineral is only a few feet underground, they will use surface mining.
library.thinkquest.org /05aug/00461/mining.htm   (451 words)

  
 ORIGIN - Ultima Online - Playguide
Seams of ore lie buried in the mines, mountains and caves of Britannia.
Raw ore is mined from ore veins found in the mountains and caves of the land.
Basically, if a particular zone is mined every minute the server is up day after day, then on average it will change color once per month (but it could happen much sooner or much later than that).
guide.uo.com /skill_45.html   (470 words)

  
 World of Warcraft - Mining Guide @ WorldofWar.Net   (Site not responding. Last check: )
Mining is the excavation of ores, stones and gems from mineral-rich veins which can then be used to create weapons, armour and other items or to sell in their raw form to flsmiths and engineers or NPC Traders.
When you've mined it a loot box will appear displaying what has been mined, some copper ore and some stones for example, you just click these as you would any loot and they'll move to your backpack.
There are plenty of mining nodes in the world, they all respawn eventually so it's not the end of the world if you have to pass by one because someone else got there first.
www.worldofwar.net /professions/mining/index.php   (2114 words)

  
 Roman Deep-vein Mining
The written evidence does not discuss all aspects of mining, leaving out information such as how veins were located, what tools were used, or how drainage wheels were used to control water.
The least difficult was surface mining, where the ore was available at the surface either in streambeds or exposed on the ground.
By means of these devices, set up in an unbroken series up to the mouth of the mine, they dry up the mining area and provide a suitable environment for carrying out their work.
www.unc.edu /~duncan/personal/roman_mining/deep-vein_mining.htm   (3923 words)

  
 Water use: Mining water use
Mining water use is water for the extraction of minerals that may be in the form of such solids as coal, iron, sand, and gravel; such liquids as crude petroleum; and such gases as natural gas.
Mining withdrawals were nearly 1 percent of total withdrawals and less than 2 percent of total withdrawals for all categories excluding thermoelectric power.
Mine drainage is formed when pyrite, an iron sulfide, is exposed and reacts with air and water to form sulfuric acid and dissolved iron.
ga.water.usgs.gov /edu/wumi.html   (644 words)

  
 2002 NAICS Definitions: 21 Mining
The term mining is used in the broad sense to include quarrying, well operations, beneficiating (e.g., crushing, screening, washing, and flotation), and other preparation customarily performed at the mine site, or as a part of mining activity.
Mine operation includes establishments operating mines, quarries, or oil and gas wells on their own account or for others on a contract or fee basis.
Establishments in the Mining sector are grouped and classified according to the natural resource mined or to be mined.
www.census.gov /epcd/naics02/def/NDEF21.HTM   (429 words)

  
 SAP - SAP for Mining: Helping Operations Overcome Complex Challenges -- to Ensure Profitability   (Site not responding. Last check: )
Mining operations, for example, must address the often opposing challenges of optimizing processes to reduce production costs, ensuring regulatory compliance to avoid government fines, and committing to sustainability to maintain brand image.
SAP for Mining is built on the open architecture of the SAP NetWeaver platform -- opening up opportunities to collaborate with your business partners, acquire and service customers, and gain a competitive advantage by meeting today's dynamic business demands.
SAP for Mining can be tailored to all types of mining companies, from small and midsize commodity companies to large, globally diversified organizations.
www.sap.com /solutions/industry/mining   (402 words)

  
 Runescape Help :: Mining Guide :: Rune Tips
Mining is the process of using a pickaxe to obtain ores from rocks.
Mining granite (level 45) is a great way for members to powermine (mine and drop ores).
It is found at Enakhra's mine in the Kharidian Desert, is at least as fast as iron, and should be dropped since it is useless except for some quests.
tip.it /runescape/?page=mining_guide.htm   (2548 words)

  
 Mining Engineering   (Site not responding. Last check: )
The mining curriculum combines basic engineering subjects, topics in geology and essential courses in mining to prepare graduates to discover, evaluate and develop mineral deposits.
A career in mining engineering requires a strong background in mathematics, computer applications, economics, communication skills, and physical sciences, particularly geology, physics, and chemistry.
The mission of the Department of Mining Engineering is: to prepare students for productive, life-long careers in mining and related industries or disciplines; and to provide knowledge useful for producing the region's mineral resources.
www.mines.utah.edu /mining   (549 words)

  
 Mining - ::Sal's Realm of RuneScape::
To begin mining, you should first obtain a basic pickaxe which can be picked up in a small house in the Barbarian Village.
There are several mining spots around the city of Varrock, and the Scorpion Pit mine near the desert town of Al Kharid that should have plenty of ores to start mining.
There are two entrances to the mine: the first being in a building northeast of the east Falador bank, and the second being to the south of Ice Mountain (located north of Falador).
runescape.salmoneus.net /mining.html   (1255 words)

  
 Mining Waste | Wastes | US EPA
Extraction is the first phase of hardrock mining which consists of the initial removal of ore from the earth.
Beneficiation follows and is the initial attempt at liberating and concentrating the valuable mineral from the extracted ore. After the beneficiation step, the remaining material is often physically and chemically similar to the material (ore or mineral) that entered the operation, except that particle size has been reduced.
Mining waste; phosphate rock mining, beneficiation, and processing waste; and uranium waste are three of the six special wastes identified.
www.epa.gov /epaoswer/other/mining/index.htm   (1298 words)

  
 Mining
Other mined materials are found far beneath the surface and removed by tunneling deep underground.
Mines were the locations of some of the first organized labor groups.
The purpose of this unit is to provide an historical aspect to the developments which lead to the discovery of coal and coal mining through the origins and kinds of coal; types and methods of coal mining, hazards of mining, measures of safety and chemical byproducts of coal.
www.42explore.com /mining.htm   (1488 words)

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