INTERVIEW: Paul Murphy, manager – South America, Mining Plus

Authorities said Grupo Mexico lied about a spill of 40,000 cubic meters of acids and heavy metals that contaminated two rivers and a dam in the northern state of Sonora.

Who were the top earners in 2013?

Shares in the company fell by almost 8% on the news, hitting an all-time low.

The Peruvian firm will develop the deposit as an underground mine, instead of as an open-pit project.

"I am really pleased that First Quantum has successfully acquired our Taca Taca deposit."

The division contributed just $746 million of the $21.12 billion earnings BHP reported for the 2013 financial year.

Speculation is of a new Perth-based company with current CFO Graham Kerr at the helm housing non-core assets including Australian lead-silver mine.

Central banker says mining and energy boom has passed.

He sees it as a key part of the firm's ambitious investment strategy, which in the next stage will plow $25 billion to overhaul older mines.