UNDERGROUND MINING

Rio Tinto reaches production milestone in Mongolia

Australian miner, Rio Tinto’s “US$7 billion” Oyu Tolgoi copper mine has achieved underground production.

Oyu Tolgoi is expected to produce approximately 500,000 tonnes of copper per year. Photo: Rio Tinto

Oyu Tolgoi is expected to produce approximately 500,000 tonnes of copper per year. Photo: Rio Tinto

Located in the Gobi Desert, Rio Tinto welcomed Luvsannamsrain Oyun-Erdene, Prime Minister of Mongolia and other officials 1.3 km below ground to witness the operation first-hand. The mining major and...

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