Underground production celebrated at Oyu Tolgoi

ULAANBAATAR, Mongolia--(BUSINESS WIRE)--The Prime Minister of Mongolia, Luvsannamsrain Oyun-Erdene, today joined Rio Tinto Chief Executive Jakob Stausholm 1.3 kilometres 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 important milestone towards Oyu Tolgoi r