Trump, citing US farmers, slaps metal tariffs on Brazil, Argentina

Most important step in the permitting process cleared, says company.

Prosecutors argue Belo Sun Mining Corp. has failed to study the impact on Amazon communities.

With iron ore freight rates soaring, lifting the ban on Vale's mega-carriers could be a game changer.

Las Bambas expected to produce more than 400,000 tonnes of copper a year, as well significant quantities of gold, silver and molybdenum as by-product.

Toxic levels of mercury coming from illegal miners in Peru's Amazon are being dumped into rivers, causing serious health problems and polluting the aquatic ecosystem.

The mine is expected to produce 20 million ounces a year when it goes into operation next year, but the project has been plagued by violence and unrest.

CVM is is investigating whether Batista and five other executives of the petroleum firm broke market rules regulating the disclosure of information.

Xstrata couldn't save 2012 from having the lowest number of mining industry transactions since 2005.

World total of 52,000 metric tons.