Turquoise Hill Resources today announced first quarter 2019 production for Oyu Tolgoi and provided an update on underground development. Highlights Copper production of 45,800 tonnes, up 18.2% on Q1'18 Gold production of 120,000 ounces, up 187.6% on Q1'18 On track to achieve 2019 copper and gold production guidance Ulf Quellmann, Chief Executive Officer of Turquoise Hill, said, "The Oyu Tolgoi open pit delivered
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