This is the third strike this year over profit-sharing staged by the company’s unions and it affects Southern Copper's two mines in the country — Cuajone and Toquepala.
The LME has sent a directive to all suppliers asking them to detail how they guarantee “responsible sourcing” of the commodities they trade in the exchange.
Canada’s National Contact Point (NCP) said complains from an Alaskan group don't merit further examination, closing the file after only the initial assessment level of review.
The two firms are just the latest names in a long list of companies that includes major players such as Rio Tinto, interested in grabbing a stake in Chile’s Chemical and Mining Society (SQM).
The miner denied it had decided to suspend the sale of a stake in its loss-making New Caledonia nickel mine (VNC), and added that its plan to find a partner is still a go.
President Rodrigo Duterte's decision not only ignores demands from pro-mining groups but also from members of his own government, including the current environment minister Roy Cimatu.