Rio Tinto disputes report that mismanagement caused Oyu Tolgoi’s woes

Rio Tinto (ASX, LON, NYSE: RIO) is challenging the findings of an independent review into $1.4 billion in cost overruns and delays at the Oyu Tolgoi mine in Mongolia, restating the project's troubles were caused by unpredictable geology issues.  The Independent Consulting Group’s (IGG) report concluded last month that poor management was the main reason the mine’s underground expansion has run...