Bitumen is expensive to extract, upgrade and refine and cannot compete with the many new shale oil plays, which have pushed US production to its highest level in a decade.
Japanese conglomerate Mitsubishi Corp will pay $81.25 million to acquire a 25% ownership in the Marathon PGM and copper project owned by Stillwater Mining.
AuRico Gold pulled the trigger on its Australian operations on Tuesday, selling the Stawell and Fosterville mines to Crocodile Gold Corp for up to $105 million.
The world's number three miner bought Alcan's business on the continent inĀ 2007 for $38 billion. So far the $100 billion Anglo-Australian company has been forced to write off $18.2 billion of the purchase price.