Turquoise Hill Resources reported on Thursday that Oyu Tolgoi mine Q1 gold production plunged 78% year-over-year to 26,154 ounces, and that copper output slid 23% to 35,203 tonnes. The Rio Tinto-controlled company that operates the mine in Mongolia reported that sales in January and February were impacted by curtailed operations in China during peak covid-19 […]