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396:, the largest diamond producing company in Russia, and employed 3,600 workers. It had long been anticipated that the recovery of diamonds by conventional surface mining would end. Therefore, in the 1970s, construction of a network of tunnels for underground diamond recovery began. By 1999, the project operated exclusively as an underground mine. In order to stabilize the abandoned surface main pit, its bottom was covered by a rubble layer 45 m (148 ft) thick. After underground operations began, the project had a mine life estimate of 27 years, based on a drilling exploration program to a depth of 1,220 m (4,000 ft). Production ceased in 2001, and the Mir mine closed in 2004.
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tonne of ore, with a relatively high ratio of gems to industrial stones. The yield decreased to about 2 carats (0.40 g) per tonne and the production rate slowed to 2,000,000 carats (400 kg; 880 lb) per year near the pit bottom. The largest diamond of the mine was found on 23 December 1980; it weighed 342.5 carats (68.50 g) and was named "
357:. The main processing plant had to be built on better ground, found 20 km (12 mi) away from the mine. The winter temperatures were so low that car tires and steel would shatter and oil would freeze. During the winter, workers used jet engines to thaw and dig out the permafrost or blasted it with dynamite to get access to the underlying
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The development of the mine started in 1957, in extremely harsh climate conditions. Seven months of winter per year froze the ground, making it hard to mine. During the brief summer months, the ground turned to slush. Buildings had to be raised on piles, so that they would not sink from their warmth
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In the 1960s, the mine was producing 10,000,000 carats (2,000 kg; 4,400 lb) of diamond per year, of which a relatively high fraction (20%) were of gem quality. The upper layers of the mine (down to 340 m (1,120 ft)) had very high diamond contents of four carats (0.80 g) per
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The mine was recommissioned in 2009, and is expected to remain operational for 50 more years. The underground Mir mine flooded again in 2017, trapping over 140 miners, all but eight of whom were rescued.
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The Mir mine was the first developed and the largest diamond mine in the Soviet Union. Its surface operation lasted 44 years, finally closing in June 2001. After the
297:. The mine is more than 525 meters (1,722 ft) deep (4th in the world), has a diameter of 1,200 m (3,900 ft), and is one of the largest excavated holes in the world.
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377:). The mine operation was interrupted in the 1990s at a depth of 340 m (1,120 ft) after the pit bottom became flooded, but resumed later.
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in the 1990s, the mine was operated by the Sakha diamond company, which reported annual profits in excess of $ 600 million from diamond sales.
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Open-pit mining began in 1957 and was discontinued in 2001. Since 2009, it has been active as an underground diamond mine.
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861:"Rescue team forced to give up hunt for four missing diamond miners; search still on for four more"
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Kogel, Jessica Elzea; Trivedi, Nikhil C.; Barker, James M.; Krukowski, Stanley T., eds. (2006).
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361:. The entire mine had to be covered at night to prevent the machinery from freezing.
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332:, after numerous failed expeditions of the 1940s and 1950s. (The first was
510:"Intrigues of diamond discoverers, or who was the first to find the "Mir""
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328:. This finding was the second success in the search for kimberlite in
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540:Первооткрывателю трубки "Мир" Екатерине Елагиной исполняется 80 лет
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The diamond-bearing deposits were discovered on June 13, 1955, by
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Industrial
Minerals & Rocks: Commodities, Markets, and Uses
600:"A Brief History of the World's Largest Open Pit Diamond Mine"
336:, 1954.) For this discovery, in 1957, Khabardin was given the
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Aerial view of the Mirny
Diamond Mine from Airliners.net
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26th
Congress of the Communist Party of the Soviet Union
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E. J. Epstein (1982). "17 The
Russians are coming".
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928:BBC News Photo journal: "Postcards from Russia"
886:"Russia: Eight missing in flooded diamond mine"
837:Michaud, David (Chrispine) (4 September 2013).
758:Russia's Diamond Colony: The Republic of Sakha
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987:Science and technology in the Soviet Union
942:A Guided Excursion around the Mirny Sights
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320:. They found traces of the volcanic rock
663:"Именные алмазы (list of named diamond)"
442:
440:
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923:United States Mine Rescue Association
783:"Abandoned Mir Diamond Mine in Russia"
479:"Underground Mine of Mir Commissioned"
896:from the original on 19 December 2021
489:from the original on 20 February 2021
261:kimberlitovaya almaznaya trubka "Mir"
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818:from the original on 2 February 2017
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918:Mirny Diamond Mine at Atlas Obscura
508:Анастасия Литвинова (18 Feb 2021).
340:, one of the highest awards in the
324:, which is usually associated with
258:кимберлитовая алмазная трубка «Мир»
849:from the original on 9 March 2014.
730:American Museum of Natural History
78:Location in Sakha Republic, Russia
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967:Diamond mines in the Soviet Union
761:. Psychology Press. p. 333.
725:"The Nature of Diamonds - Russia"
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392:Later, the mine was operated by
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867:from the original on 2021-06-14
793:from the original on 2021-07-20
644:from the original on 2009-05-31
547:from the original on 2012-03-28
520:from the original on 2022-03-05
270:pipe "Peace"), also called the
1:
839:"Largest Mines in the World"
665:(in Russian). Archived from
574:(in Russian). Archived from
450:(in Russian). Archived from
27:Former open pit diamond mine
572:Official site of town Mirny
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755:Tichotsky, John (2000).
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992:Surface mines in Russia
962:Diamond mines in Russia
42:The Mir mine in Yakutia
142:62.52917°N 113.99333°E
947:Biggest Diamond Mines
787:www.amusingplanet.com
627:The diamond invention
845:. 911 Metallurgist.
387:collapse of the USSR
972:Diatremes of Russia
239:Year of acquisition
178:(2,000 kg) per year
147:62.52917; 113.99333
138: /
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977:Economy of Siberia
293:region of eastern
933:"A Face of Mirny"
892:. 5 August 2017.
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448:"Mirninsky GOK"
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375:XXVI съезд КПСС
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898:. Retrieved
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869:. Retrieved
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820:. Retrieved
812:"Mirny Mine"
806:
795:. Retrieved
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739:. Retrieved
735:the original
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671:. Retrieved
667:the original
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646:. Retrieved
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608:. Retrieved
604:the original
580:. Retrieved
576:the original
571:
567:Город Мирный
560:
549:. Retrieved
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522:. Retrieved
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491:. Retrieved
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456:. Retrieved
452:the original
398:
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353:melting the
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342:Soviet Union
312:geologists,
307:
299:
279:diamond mine
271:
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249:
247:
814:. MineDat.
348:Development
338:Lenin Prize
281:located in
263:; English:
174:10,000,000
145: /
133:113°59′36″E
121:Coordinates
956:Categories
900:3 November
871:2021-06-14
822:29 January
797:2021-07-20
741:2009-08-08
673:2009-08-08
648:2009-08-13
610:2009-08-08
582:2009-08-08
551:2009-08-13
524:2022-03-05
458:2009-08-08
432:References
381:Operations
359:kimberlite
355:permafrost
322:kimberlite
318:Yakut ASSR
272:Mirny mine
265:kimberlite
171:Production
158:Production
130:62°31′45″N
493:28 August
304:Discovery
289:, in the
894:Archived
890:BBC News
865:Archived
847:Archived
816:Archived
791:Archived
642:Archived
545:Archived
518:Archived
487:Archived
404:See also
326:diamonds
291:Siberian
276:open pit
274:, is an
250:Mir mine
166:Diamonds
163:Products
87:Location
72:Mir Mine
48:Location
31:Mir mine
18:Mir Mine
371:Russian
268:diamond
254:Russian
227:Website
217:Company
191:History
111:Country
105:Siberia
765:
707:
634:
483:Alrosa
394:Alrosa
330:Russia
310:Soviet
295:Russia
221:Alrosa
204:Closed
196:Opened
176:carats
115:Russia
101:Region
283:Mirny
212:Owner
186:1960s
91:Mirny
902:2021
824:2017
763:ISBN
705:ISBN
632:ISBN
495:2017
248:The
242:1992
232:Link
207:2004
199:1957
701:SME
369:" (
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252:(
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
