With the expansion, Escondida is targeting an average output of 1.2 million tonnes a year over the next decade, up from about 940,000 tonnes it produced last year.
More environmentalists were murdered in Latin America in 2015 than anywhere else in the world, with anti-mining causes claiming the most lives, a report by Global Witness shows.
Mining royalties can be a fabulous business model, as demonstrated by royalty and streaming giant Franco-Nevada. The company has become a $15-billion powerhouse with claims on assets ranging from gold and base metals mines to oil and gas operations.