Antofagasta's copper, silver output fall in March quarter...
By Jacqueline Holman / April 25, 2018 / www.mining-journal.com / Article Link
Copper output fell 10.5% year-on-year to 153,800 tonnes, although Antofagasta CEO Iván Arriagada said copper production was expected to increase as grades improved during the year and into 2019.