Turquoise Hill Resources Ltd. (Turquoise Hill) is an international mining company. The Company focuses on the operation and further development of the Oyu Tolgoi copper-gold mine in Southern Mongolia, which is the Company's principal material mineral resource property. The Company's Oyu Tolgoi mine is located approximately 550 kilometers south of Ulaanbaatar, Mongolia's capital city, and approximately 80 kilometers north of the Mongolia-China border. The Company's Mineralization property consists of porphyrystyle copper, gold, silver and molybdenum contained in a linear structural trend (the Oyu Tolgoi Trend) that has a length of over 25 kilometers. The Company's Mineral resources identified in a series of deposits, which include from south to north, the Heruga Deposit, the Southern Oyu deposits (Southwest Oyu, South Oyu, Wedge and Central Oyu) and the Hugo Dummett deposits (Hugo South, Hugo North and Hugo North Extension).