Cecilia Jamasmie , Senior Editor

The price for the two assets could rise to $500m from $200m, depending on an eventual recovery of copper prices and the execution of an expansion plan for the Mantoverde mine.

More demonstrations are expected Monday, as mine workers rally near the Canadian company's mines.

The company said is not keen on Rio Tinto's thermal coal assets, currently up for sale.

The US has suspended the futures market on the Nasdaq index, as panicking traders have driven it down 5% — the maximum allowed under Wall Street rules.

Beginning this fall, the company will start digging the first in a series of pits, each the size of a football stadium, in Utah, about 265km (165 miles) from Salt Lake City.

The last time a vein of Blue John Stone, a legendary semi-precious mineral, was discovered was in the in the XIX century.

Metals from copper to aluminum fell again Friday, and were heading for their worst week of the year, after data showed Chinese factory activity shrinking at the fastest pace since 2009.

Scientists from Canada, the U.S. and the U.K believe ancient sea water helped to the formation of diamonds hundreds of kilometres underground.

The closure, part of a major business restructuring, will affect about 80 people currently employed at the plant.

Report claims that noise from tanker traffic causes heightened levels of stress for the North Atlantic right whale, hindering the mammal’s ability to communicate.