​Estimated versus Actual Costs to Develop Phase 1 of the Oyu Tolgoi mine

Estimated versus Actual Costs to Develop Phase 1 of the Oyu Tolgoi mine

Recently, several different numbers have been cited publicly regarding the costs to develop the first phase of the mine. This has led to concern regarding differences between actual costs incurred and estimated costs reported in the 2009 Feasibility Study, approved by the Mongolian Minerals Council in March 2010.