Oyu Tolgoi is Mongolian for
Turquoise Hill

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Oyu Tolgoi is developing a mine that will exploit one of the world's largest undeveloped copper-gold resources. The resource is so large that the mine is expected to be operating for at least 50 years.

The Oyu Tolgoi deposit was discovered by Turquoise Hill Resources, a Canadian company, in 2001. Rio Tinto, one of the world's largest companies, is a major shareholder in Turquoise Hill Resources and has been actively involved in the project since 2005. In 2010, Rio Tinto formally assumed management of the project on behalf of all shareholders. Oyu Tolgoi is owned by Turquoise Hill Resources (66 per cent) and Erdenes Oyu Tolgoi (34 per cent). Erdenes Oyu Tolgoi is wholly owned by the Government of Mongolia.

Oyu Tolgoi is the largest single investment in the history of Mongolia. It will require capital investment of US$6 billion, in addition to the US$1 billion spent on exploration and evaluation. This is a very significant stimulus to an economy where the Gross Domestic Product was US$6.2 billion in 2010.

Our sustainable development framework According to the International Monetary Fund (IMF), the Government of Mongolia will be the largest beneficiary from Oyu Tolgoi - Mongolia will receive up to 71 per cent of the project cash flow.

The project is a major employer of Mongolians. During the peak of the construction phase, more than 15,000 people will be employed on the project, including 10,000 Mongolians. When the mine begins operating in 2013, there will be a workforce of approximately 3,500 people, 90 per cent of whom will be Mongolian.

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Oyu Tolgoi's Vision, Mission and Values seeks to establish a strong corporate identity and culture for Oyu Tolgoi.