La mina más profunda del mundo
June 15 2008
J. H. Paredes
Key Data • Producer of • Location • Ownership • Geology Type • Mineral Type •Reserves Ore Reserves • Annual Production
• Gold • West Witts, South Africa • AngloGold Ashanti ( 100 t percent ) • Proterozoic Birmian • G ld Gold • 2.6Moz. Mineral Resources: 4 9M R 4.9Moz. •(2007) 280,000 ounces
• In 2006 AngloGold Ashanti commenced a project to extend its South African TauTona g gold mine to 3.9km. This was completed in 2008 making it the world’s deepest mine,surpassing d i i the 3,585m deep East Rand Mine by a good distance. The name g TauTona means "great lion" in the Setswana uni language.
• The TauTona mine exists within the West g Witts area not sofar from Johannesburg in South Africa, near the town of Carletonville. Carletonville TauTona neighbours the Mponeng and Savukamines, and TauTona and Savuka share processing facilities All facilities.three are owned by AngloGold Ashanti.
• Production at TauTona fell to 409,000 ounces in 2007, down from 474,000 ounces in 2006, due to increased seismic activity.
•This required a review of the practice of g pillars and high-grade g g mining of shaft p remnants, and delays to the build-up in volume caused by opening up of the sequential grid. Capital expenditure inSiguiri was R2 5bn ($US71m) in 2007 R2.5bn 2007, with 56% committed to the development of ore reserve.
• T T TauTona accounted for 7% of AngloGold A h ti’ t t l t df f A l G ld Ashanti’stotal 2007 gold production. • The mine was originally built by the Anglo American Corporationwith its 2km deep main shaft being sunk in p p g 1957, with operations starting in 1962. • Si Since iconstruction two secondary shafts h its i d h f have b been added bringing the mine to its current depth. The mine today has some 800km of tunnels and employs some 5600 miners. It is an extremely...