Unionized workers at Escondida copper mine in Chile ended a 24-hour strike Friday but may put down tools again next week over company's planned layoffs.
Palmer's Mineralogy claimed it is owed money by CITIC's Sino Iron mine in Western Australia over a failure to agree to a formula for calculating the value of the ore extracted at the site following a shift in pricing in the iron ore market.
Codelco Chief Executive Pizarro said company produced 1.24m tonnes of copper in January-to-September period, a 3 percent decline from same period last year.
Sociedad Quimica Y Minera said on Thursday its ongoing legal dispute with Chilean authorities over royalty payments may not be resolved until end of 2018.
China's coal imports dropped 21 percent in October as government moves to replace coal with cleaner fuel, iron ore prices followed coal futures higher.