More details have emerged about the impact of a wall collapse at the Rio Tinto Limited
(ASX:RIO) Bingham Canyon copper mine in the US.
The mining giant’s earnings are expected to take a hit of close to 3 per cent in 2013.
While no employees were hurt in the incident, Rio says the impact on copper mining and refining will be ''significant''.
The amount of copper refined in 2013 is expected to fall by more than a third.
Rio's copper division was expected to deliver close to $US2.3 billion of earnings before interest and tax in 2013.
Rio Tinto reported a net loss of $2.9 billion in the 2012 financial year.
