Top Peru presidential candidate vows to curb foreign firms ‘looting’ mining wealth

Besides tax hikes, the set of suggested rules include allowing the Ministry of Economy to name certain zones as not viable for mining.

Grupo Mexico was down 6.7 percent on Thursday at midday local time, while Penoles lost 3.8 percent.

SolGold said that its Alpala project in Ecuador's Cascabel region was around double the size and grade quality it was known to be in December 2017.

SQM said the previously announced delays were partly offset by high prices and 25% growth in demand in 2018 on sales to producers of electric vehicles.

That deal is expected to end years of wrangling over ownership rights to Grasberg, the world's second-biggest copper mine.

It was supposed to be a year of mine disruptions, with the market anticipating that multiple labour contract expiries would result in at least one strike.

The company’s chief financial officer has outlined a detailed plan on how to not waste a whole lot of shareholders’ money again.

Once the company completes a series of payments, the Secretariat of Environment and Natural Resources would be able to issue the formal approval documentation for the project.

Lower-grade shoulders are being left on the walls and only the higher-grade portions are being extracted.