Authorities seek to settle differences with the Canadian miner over Skouries, one of the gold projects the firm is currently developing in northern Greece.
A federal court in Argentina has ruled that the country's Supreme Court should evaluate the government's request to suspend operations at Barrick Gold Corp's Veladero mine
For the three months to June 30, silver production totalled 14.5 million ounces, a 12% rise from last year, while gold output was 223,000 ounces, up 2.7% from a year earlier.