More on Barrick Gold's (ABX) Q3 results: Total 2012 cash operating costs estimated at $575-$585/oz.vs. prior guidance of $550-$575, due to higher costs from its Australia Pacific operations and African assets it partly spun off. Pascua-Lama guidance set at $8B-$8.5B, above Q2 guidance of $4.7B-$8.5B that had surprised investors. First production now expected in H2 2014. ABX -7.4% premarket.