Rio Tinto plc

Turquoise Hill Resources' Oyu Tolgoi gold-copper mine in Mongolia, 80 km north of the Mongolia-China border. Credit: Turquoise Hill Resources

Tax dispute adds doubt to Oyu Tolgoi’s UG expansion

Turquoise Hill Resources’ (TSX: TRQ; NYSE: TRQ) second-quarter results were overshadowed by a tax dispute with the Mongolian government, among other concerns, relating to its Oyu Tolgoi gold–copper mine in the country’s South…



Dominion Diamond banks on Ekati

It’s been one year since Dominion Diamond (TSX: DDC) took over operations at the Ekati diamond mine in the Northwest Territories, and president and CEO Bob Gannicott says the company’s transition…



Diamonds shining once again

In our last issue, I asked whether there had been a shift in sentiment toward the diamond sector, which survived 2013 in much better shape than the rest of the…




Dominion looks to add life to Ekati

After taking control of the Ekati diamond mine in the Northwest Territories earlier this year, Dominion Diamond (TSX: DDC; NYSE: DDC) is working to extend the life of Canada’s first…



Rio Tinto to stay in the diamond business

Rio Tinto (RIO-N, RIO-L) announced in June that it will hang onto its diamond assets after all, concluding a strategic review of the business that the miner began in March…




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