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Message: <blockquote data-quote="azarox" data-source="post: 9879200" data-attributes="member: 319822">World’s Biggest Diamond Mine is located at Mirna, Eastern Siberia,  Russia. The mine is 525 meters (1,722 ft) deep and has a diameter of  1,200 m (3,900 ft). <img src="http://tictok.us/images/392Mirna_diamond_mine_03.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />The mine is so big and giat that the airspace above the mine is closed  for helicopters because of a few incidents in which they were sucked in  by the downward air flow. To give an idea how big it is here is is a  fine illustration. <img src="http://tictok.us/images/929e28dc4ee3b9375f295392c.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />Figure 1<img src="http://tictok.us/images/5212206936b658a8f108f584c.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />Figure 2 This giant truck, BELAZ (200-220 ton payload ) (see Figure 1), looks  like small spot on next picture (see Figure 2). The truck in the  picture, one of the biggest in the world, is just a small point in  comparison to the diamond mine. <a href="http://news.bbc.co.uk/2/shared/spl/hi/picture_gallery/05/in_pictures_postcards_from_russia/html/10.stm" target="_blank">http://news.bbc.co.uk/2/shared/spl/hi/picture_gallery/05/in_pictures_postcards_from_russia/html/10.stm</a> History:The mine was discovered on June 13, 1955 by Soviet geologists Yuri  Khabardin, Ekaterina Elagina and Viktor Avdeenko during the large  Amakinsky Expedition in Yakut ASSR. They found traces of volcanic rock  kimberlite which are usually associated with diamonds. This finding was  the first success in the search for kimberlite in Russia, after numerous  failed expeditions of the 1940s and 1950s. For this discovery, in 1957  Khabardin was given the Lenin Prize, which was one of the highest awards  in the Soviet Union. The development of the mine had started in 1957 in extremely harsh  climate conditions. Seven months of winter per year froze the ground  into permafrost, which was hard in winter, but turned into sludge in  summer. Buildings had to be raised on piles, so that they would not sink  in summer, and the main processing plant had to be built on a better  ground found 20 km away from the mine. The winter temperatures were so  low that car tires and steel would shatter and oil would freeze. During  the winter, the workers used jet engines to defreeze and dig out the  permafrost or blasted it with dynamite to get access to the underlying  kimberlite. The entire mine had to be covered at night to prevent the  machinery from freezing. <img src="http://tictok.us/images/6884f41f7ca8f4abda74dc81d.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /><img src="http://tictok.us/images/799b9522c2ec97946b6b1b0e4.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /><img src="http://tictok.us/images/369a81257e652ba8c5354afeb.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /><img src="http://tictok.us/images/413abb8d55d4fc7b759fac206.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /><img src="http://tictok.us/images/48395f1f475d018ec7f5daad4.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /><img src="http://tictok.us/images/9865eff0ef07d05852db75820.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /><img src="http://tictok.us/images/226bbabfd80d2d9b1ed472b98.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />If You Like Add some +rep & Comments..........</blockquote>

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