The decree, published at the beginning of this year, allows Colombia's environment ministry to declare areas as natural resource reserve zones for a five-year period.
According to a new study by the World Gold Council, existing models for estimating gold’s expected returns may have understated its real long-term value.
It said an expansion at Carlin mine, completed during a shutdown in the third quarter, would support higher throughput and recoveries in the last quarter of the year.
