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Events
Rio Tinto and Mongolian Government ‘open’ Oyu Tolgoi Underground mine www.im-mining.com
The Prime Minister of Mongolia, Luvsannamsrain Oyun-Erdene, today joined Rio Tinto Chief Executive, Jakob Stausholm, 1.3 km underground to celebrate the commencement of underground production from the Oyu Tolgoi copper mine in the Gobi Desert.
This was followed by a ceremony with Oyu Tolgoi employees and leaders, Government of Mongolia representatives, Oyu Tolgoi Board members and local suppliers to mark this milestone towards Oyu Tolgoi ramping up to become one of the world’s leading copper suppliers.
Since the agreement between the Government of Mongolia and Rio Tinto in January 2022 to reset the relationship and move the Oyu Tolgoi underground project forward, 30 drawbells have been blasted and copper is now being produced from the underground mine. Oyu Tolgoi is expected to become the fourth-largest copper mine in the world by 2030, operating in the first quartile of the copper equivalent cost curve, Rio Tinto says. Ore is currently being processed from Panel Zero in Hugo North Lift 1 and production will ramp up over the coming years.
A partnership between Rio Tinto and Mongolia, the Oyu Tolgoi open pit and concentrator have been succesfully operating for over a decade. The total workforce of Oyu Tolgoi is currently around 20,000 people, of which 97% are Mongolian. Oyu Tolgoi works with more than 500 national suppliers and has spent around $15 billion in Mongolia since 2010, including $4 billion of taxes, fees and other payments to the state budget, according to the mining company.
Developing the underground mine is an investment of over $7 billion, unlocking the most valuable part of the copper resource for the benefit of all stakeholders. Oyu Tolgoi is expected to produce around 500,000 t/y of copper on average from 2028 to 2036 from the open pit and underground, enough to produce around 6 million electric vehicles annually, and an average of around 290,000 t over the reserve life of around 30 years.
Oyun-Erdene said: “I am proud to celebrate this major milestone with our partner Rio Tinto as we look towards Mongolia becoming one of the world’s key copper producers. The start of underground production at Oyu Tolgoi demonstrates our ability to work together with investors in a sustainable manner and become a trusted partner. The next phase of the partnership will enable the continued successful delivery of Mongolia’s ‘New Recovery Policy’ and Vision 2050 economic diversification strategy. Mongolia stands ready to work actively and mutually beneficially with global investors and partners.”
Stausholm said: “We would like to thank the Government of Mongolia for their commitment as our partner in achieving this remarkable milestone. We are starting underground production 1.3 km beneath the remote Gobi desert from an orebody that will be critical for global copper production and Mongolia’s ongoing economic development. The copper produced in this truly world class, high technology mine will help deliver the electrification needed for a net zero future and grow Rio Tinto’s copper business.”
Rio Tinto now has a 66% interest in Oyu Tolgoi LLC, the mine operating company, following its successful completion of the acquisition of Turquoise Hill Resources Ltd; with the Government of Mongolia retaining 34%.
Published Date:2023-03-13
