If Guinea’s Simandou project had gone to plan, 250,000-dwt bulkers would already be sailing from a new West African Atlantic port terminal bound for China and fully laden with cargo mined from the world’s largest untapped source of iron ore.

When the project’s backer, Rio Tinto, first tabled its ambitious plans for the open mine, a 2015 target date for the first shipments was set, and the potential was seen for eventually two billion tonnes of iron ore to be exported from Guinea.

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