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Deep Mine
This list of deepest mines includes operational and non-operational mines that are at least , which is the depth of Veryovkina Cave, the deepest known natural cave in the world. The depth measurements in this list represent the difference in elevation from the entrance of the mine to the deepest excavated point. The definition of for this list is an artificially made excavation for the purpose of extracting resources, that can potentially be accessed by humans. See also *List of deepest caves *List of longest tunnels *List of largest mining companies by revenue *List of mines *List of mines in South Africa *List of mining companies *Extreme points of Earth *Kola Superdeep Borehole The Kola Superdeep Borehole (russian: Кольская сверхглубокая скважина, translit=Kol'skaya sverkhglubokaya skvazhina) SG-3 is the result of a scientific drilling project of the Soviet Union in the Pechengsky District ... References External linksMining Technology ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Veryovkina Cave
Veryovkina Cave (also spelled Verëvkina Cave, , ) is a cave in Abkhazia, a breakaway region of Georgia. At 2,212 meters (7,257 ft) deep, it is the deepest-known cave on Earth. Its entrance is 2,285 metres (7,497 ft) above sea level. The entrance of the cave has a cross section of 3 m × 4 m (9.8 ft × 13.1 ft), and is located in the Arabika Massif in the Gagra Mountain Range of the Western Caucasus, on the pass between the Krepost and Zont mountains, closer to the slopes of Mount Krepost. The depth of the entrance shaft is 32 metres (105 ft). Naming In 1968, the cave was assigned the name S-115, which was later replaced by P1-7, and in 1986 it was renamed after caver and cave diver Alexander Verëvkin. Verëvkin died in 1983 while exploring a siphon in the cave Su-Akan, located in the Sary-Tala massif, now Kabardino-Balkaria, Russia. Discovery * The entrance is located in the Gagra District of Abkhazia, Georgia. * 1968: the cave was discovered by cavers from Krasnoyarsk ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Mines In South Africa
This list of mines in South Africa is subsidiary to the list of mines article and lists working, defunct and future mines in the country and is organised by the primary mineral output. For practical purposes stone, marble and other quarries may be included in this list. Chromium * Dwarsrivier mine *Thaba mine Coal Diamond *Big Hole *Du Toit's Pan *Finsch diamond mine *Jagersfontein Mine *Koffiefontein mine *Premier Mine *Venetia Diamond Mine * Voorspoed diamond mine Gold *Blyvooruitzicht * Buffelsfontein mine * Burnstone mine *East Rand Mine *Free State goldfields * Kusasalethu mine *Mponeng Gold Mine *South Deep mine *TauTona Mine *Transvaal gold fields Iron {, class="sortable wikitable" , - align="center" , Mine , Product(s) , Coordinates , Associated town , Dates , Comments , - , Khumani mine , Iron , , Kathu , , loco mine mm9 , - , Beeshoek mine , Iron , , Postmasburg , , , - , Sishen mine , Iron , , , , Lead mines * Maitland Mines Manganese * Bla ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Mines
This lists of mines is a meta-list (list of lists) containing links to mine-related lists. By production * List of coal mines ** List of coal mines in Australia *** List of collieries in Newcastle (Australia) ***List of coal mines in Queensland **List of coal mines in Canada ***List of coal mines and landmarks in the Nanaimo area ** List of coal mines in Japan ** List of coal mines in the United Kingdom *** List of collieries in Yorkshire (1984–2015) **List of coal mines in the United States *List of copper mines **List of copper mines in Canada ** List of copper mines in the United States *List of diamond mines *List of gold mines **List of gold mines in Australia ***List of active gold mines in Western Australia ** List of gold mines in Canada **List of gold mines in Japan ** List of largest gold mines by production ** List of gold mines in Tanzania ** List of gold mines in the United States ***List of active gold mines in Nevada ***List of gold mines in Georgia *List of iron ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Largest Mining Companies By Revenue
This is a list of the largest mining companies in terms of revenue (in US billion dollars) as ranked by Statista in 2019. See also *List of largest coal mining companies *List of largest manufacturing companies by revenue *List of public corporations by market capitalization *List of largest chemical producers References {{Reflist External linksstatista website*Vale S.A.. (2020). ''VALE’S PERFORMANCE IN 4Q20 AND 2020.'' http://www.vale.com/en/investors/information-market/quarterly-results/quarterlyresultsdocs/vale_ifrs_4q20_i%20v20210225_vf.pdf Economy-related lists of superlatives Mining 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. The exploitation of these deposits for raw material is based on the economic via ... Companies by revenue ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Longest Tunnels
This list of longest tunnels ranks tunnels that are at least long. Only continuous tunnels are included. Pipelines, even those that are buried, are excluded. The longest tunnels have been constructed for water distribution, followed by tunnels for railways. __TOC__ World's longest tunnels (in use) World's longest tunnels (under construction) World's longest tunnels (advanced planning stage) World's longest tunnels (abandoned) See also * List of long tunnels by type – contains separate tables for railroad, subway, vehicular, bicycle, water/aquaducts, and also for different building techniques * List of deepest caves * List of deepest mines * Lists of tunnels *List of longest railway tunnels ** List of long railway tunnels in China * List of longest subway tunnel sections * List of longest bridges Notes References {{Portal bar, Transport *Length Tunnels Tunnels Tunnels A tunnel is an underground passageway, dug through surrounding soil, earth or roc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Deepest Caves
This list of deepest caves includes the deepest known natural caves according to maximum surveyed depth . The depth value is measured from the highest to the lowest accessible cave point. See also *List of caves *List of deepest mines * List of longest caves * List of sinkholes * Show cave * Speleology External links World's Deepest Caves References {{DEFAULTSORT:Deepest caves Deepest Caves Caves A cave or cavern is a natural void in the ground, specifically a space large enough for a human to enter. Caves often form by the weathering of rock and often extend deep underground. The word ''cave'' can refer to smaller openings such as sea ... Vertical position ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Prokop (1832 A
Prokop may mean either of two Hussite generals, both of whom died in the 1434 battle of Lipan: * Prokop the Great * Prokop the Lesser Other people who bore the name Prokop: * Procopius, 6c historian * Saint Prokop, or Procopius of Sázava (died 1053), a Czech saint * Prokop, bishop of Kraków (1292–1294) * Adolf Prokop, German football referee * Bohumír Prokop, Czech handballer * František Prokop, Czech sport shooter * Gerhard Prokop, German football manager * Gert Prokop, German writer * Hubert Prokop (basketball), Czech basketball player * Joe Prokop (born 1960), American football player * Joe Prokop (halfback) (1921–1995), American football player * Ladislav Prokop, Czech basketball player * Liese Prokop, Austrian athlete and politician * Luke Prokop (born 2002), Canadian ice hockey player * Martin Prokop, Czech rally driver * Matt Prokop, American actor * Skip Prokop, Canadian musician * Stanley A. Prokop, U.S. Congressman for Pennsylvania (1959–1961) Places * Pro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Quincy Mine
The Quincy Mine is an extensive set of copper mines located near Hancock, Michigan. The mine was owned by the Quincy Mining Company and operated between 1846 and 1945, although some activities continued through the 1970s. The Quincy Mine was known as "Old Reliable," as the Quincy Mine Company paid a dividend to investors every year from 1868 through 1920. The Quincy Mining Company Historic District is a United States National Historic Landmark District; and other Quincy Mine properties nearby, including the Quincy Mining Company Stamp Mills, the Quincy Dredge Number Two, and the Quincy Smelter are also historically significant. Lifespan: 1846-1945 The Quincy Mine was founded in 1846 by the merger of the Northwest Mining Company and the Portage Mining Company. Due to poor communication between government offices, these two speculative mining companies had purchased the same tracts of land during the mining rush of the early 1840s. The directors met and decided to merg ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kopanang Mine
The Kopanang mine is a large mine located in the northern part of South Africa in Gauteng. Kopanang represents one of the largest uranium reserves in South Africa having estimated reserves of 37.1 million tonnes of ore grading 0.065% uranium Uranium is a chemical element with the symbol U and atomic number 92. It is a silvery-grey metal in the actinide series of the periodic table. A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons. Uranium is weak .... References {{DEFAULTSORT:Kopanang Mine Uranium mines in South Africa Economy of Gauteng ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
