Tuesday, October 18th, 2016
The twin declines provide up to 395 metres of vertical lift with a maximum gradient of 18 per cent. The conveyor to surface declines consist of 16.6 kilometres of tunnels and 35,000 cubic metres of large excavations to house the required conveyor transfer and drive stations.
Oyu Tolgoi is jointly owned by the Government of Mongolia (34 per cent) and Turquoise Resources (66 per cent, of which Rio Tinto owns 51 per cent). Rio Tinto has managed the Oyu Tolgoi project since 2010.
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