According to the Financial Times Barrick is trying to sell its share of African Barrick which has mining operations in Tanzania including the giant Bulyanhulu mine.
Barrick continues to miss production targets because of interruptions to the power supply from Tanzania's national grid. Using diesel generated power has pushed its operating costs much higher. Buckreef's preliminary economic assessment relies on diesel generated power exclusively. How's old Jimmy gonna explain this one?
Perhaps you could provide a link. Because I think you are reverring to the unsubstantiated Alphaville story. This information seems to be untrue:
Barrick Gold has no plans to exit Tanzanian gold operations2 Wednesday March 11, 2009, 4:16am PDT In expectation of mining costs to rise this year, Barrick Gold Corp has set its eyes to enter currency hedges to lock in the advantage of a stronger U.S. dollar but has no plans to exit its higher-cost operations in Tanzania.