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Black Iron: A Low Cost High Grade Turnaround Iron Ore Play . Jan 22, 2018 Between 2014 and 2016, ironore prices fell from nearly 140 per ton to a low of 40 per ton amid an increase in lowcost Australian production that study, several major permit milestones and received a 511 million construction finance commitment from Metinvest the 9th largest ironore miner and 16th get price