Experts believe the US firm could achieve $300 million in operating and cost savings from combining its mines in Nevada with those of the Canadian rival.
The Zaldívar copper mine in Chile, a joint venture between Antofagasta and Barrick, will be able to replace greenhouse gas emissions equivalent to 350,000 tonnes per year, or about 87,000 vehicles annually.
Supreme Court will have to decide whether the southeastern state hast the right to regulate uranium mining or that should be done by the federal government.
President Vladimir Putin, who attended the opening ceremony, said the new operation reinforced the state-controlled firm's position as a diamond world leader.
Deal is part of Chaarat’s intention of becoming a major regional player in Central Asia, with an annual production of 1 million ounces, which aims to reach through acquisitions.
