Diamond Mine in Russia βοΈ The Mir mine, also called the #Mirny mine, is an open pit #diamondmine located in Mirny, Sakha Republic, in the Siberian region of eastern #Russia. 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. Opened: 1957 Closed: 2004* * The mine was recommissioned in 2009, and is expected to remain operational for 50 more years. . . #mirmine #openpitmine #mining #diamond #geotechnics #geology #geological #mechanical #engineering #miningengineering #geotechnical #Metallurgy #metallurgicalengineering #materialsengineering #civilengineering #megalophobia #landscape https://www.instagram.com/p/CXi-VN6lVTM/?utm_medium=tumblr
