8 December 2017. Rio Tinto-controlled Turquoise Hill is expecting its majority-owned Oyu Tolgoi copper and gold mine in Mongolia to churn in 2018 more than double the amount of the precious metal forecast for this year, with operating costs dropping about 2.8%.
MINING.COM
http://www.mining.com/massive-oyu-tolgoi-mine-double-gold-production-2018
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