Underground hard-rock mining refers to various underground mining techniques used to excavate "hard" minerals, usually those containing metals, such as...
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hard, the mining methods used differ from those used to mine deposits in igneous or metamorphic rocks (see underground hard-rock mining). Underground...
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from underground coal mining, although accidents also occur in hard rock mining. Coal mining is considered much more hazardous than hard rock mining due...
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Speculator Mine disaster (category 1917 mining disasters)
was the most deadly event in underground hard rock mining in United States history. Most men died of suffocation underground as the fire consumed their...
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mines and underground hard rock mining, about ninety percent. The last ten percent consists of placer and base metal mining. Sustainable mining has been...
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mining district, also known as the Independence Mine/Hatcher Pass district, is a gold-mining area in the U.S. state of Alaska. Underground hard-rock mining...
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Crusher (redirect from Rock crusher)
compact geometry and size which is valuable in mining industry, .e.g. in underground hard-rock mining. A crusher bucket is an attachment for hydraulic...
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theory, instrumentation surface mining; open-pit mining underground mining (soft rock) underground mining (hard rock) computing; DATAMINE, MATLAB, Maptek...
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The Hard Rock Miner's Handbook is a reference book that deals with the underground hard-rock mining industry. It was written by engineer Jack de la Vergne...
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above-ground mining structures are referred to as a "pit head". In Australia, "colliery" generally refers to an underground coal mine. Coal mining has had...
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method used to break down the hard rock holding the gold. One of the complexes is shown in one of the earliest known mining maps. The miners crushed the...
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Comstock Lode (redirect from Comstock Mining, Inc.)
miners and mining technology invented on the Comstock, throughout various other mining camps in the west. Deep underground, hard rock mining was a constantly...
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In underground mining a hoist or winder is used to raise and lower conveyances within the mine shaft. Modern hoists are normally powered using electric...
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Box cut (category Underground mining)
with rock bolts, wire mesh, and shotcrete, which prevents accidental rock falls from closing access to the decline. Underground hard-rock mining "What...
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Placer mining (/ˈplæsər/) is the mining of stream bed deposits for minerals. This may be done by open-pit mining or by various surface excavating equipment...
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Anthracite (redirect from Anthracite coal mining)
Historically, from time to time, underground seams of coal have caught fire, often from careless or unfortunate mining activities. The pocket of ignited...
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Jelly Underground soft-rock mining, a group of underground mining techniques used to extract minerals Hard Rock (disambiguation) This disambiguation page lists...
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(roller coaster), a wooden roller coaster at Adventureland (Iowa) Underground mining (hard rock), removal of valuable minerals from below the Earth's surface...
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LHD (load, haul, dump machine) (category Underground mining)
to conventional front end loaders but developed for the toughest of hard rock mining applications, keeping overall production economy, safety, and reliability...
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Joy Global (redirect from Joy Mining Machinery)
in the extraction and haulage of coal and minerals in both underground and surface mining. The company had manufacturing facilities in Alabama, Pennsylvania...
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Shaft sinking (redirect from Shaft (mining))
engine Raise borer Salt-concrete Underground mining (hard rock) Underground mining (soft rock) Glossary of coal mining terminology Repurposing old mine...
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Miner (redirect from Putter (mining))
Miner's apron Miner's cap Miner's habit Mining helmet Prospecting Salt mining Underground mining (hard rock) Minor (disambiguation) Wikimedia Commons...
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Tennessee Beaufort County, NC Florida Hard Rock Central Florida In 2015, 27.6 million metric tons of marketable phosphate rock, or phosphorite, was mined in the...
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gold mines use underground mining, where the ore is extracted through tunnels or shafts. South Africa has the world's deepest hard rock gold mine up to...
93 KB (10,235 words) - 15:35, 24 September 2024
Horsefly, British Columbia (section Mining)
Horsefly Gold Mining Co., activities continued until 1902. From 1891, the Miocene Gravel Mining Co undertook underground hard-rock mining. About 8 kilometres...
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Hydraulic mining is a form of mining that uses high-pressure jets of water to dislodge rock material or move sediment. In the placer mining of gold or...
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mines in Western Australia. Most Australian lithium is produced from hard-rock spodumene, in contrast to other major producers like Argentina, Chile...
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Mine safety (redirect from Mining safety)
long been a concern in the mining business, especially in underground mining. The Courrières mine disaster, Europe's worst mining accident, involved the death...
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large-scale hard-rock mines operated in Alaska as of 2019[update]; five were gold-producing mines. There are also small-scale hard-rock gold-mining operations...
75 KB (8,896 words) - 22:14, 12 August 2024