Cecilia Jamasmie , Senior Editor

The touted expansion of the world's largest underground copper mine is two to three years behind schedule and will require $2 billion more than initially planned, said the company.

According to the legislators, international mining companies —mainly from Australia, Canada and the U.K— are using the forced labour of Eritreans in their operations.

The investigative reporting piece exposed extremely poor working conditions in factories making Apple products in China and Indonesia.

The German equipment manufacturer expects it to drop by at least 4.5% this year, about $317 million less than in 2013.

Unearthed at Alrosa's Udachnaya diamond mine, it was later donated for study as the diamonds it contained were pretty much worthless as gems.

China’s increased reliance on nuclear energy and Japan restarting its reactors are only two of the factors driving prices up.

The court said Vale had failed to convince him to dismiss the case in which it is accused of conspiring to steal Rio's rights for part of iron ore reserve potentially worth billions.

In a first phase the miner plans to target high-grade diamond ore bodies, meeting a target of 14,000 bank cubic metres (bcm) per month.

The Canadian giant had earlier said it would consider such a move in the event the new tax regime was approbed.

The Milwaukee-based equipment maker warns weak commodity prices and falling industry investment in new machinery will live on.