One step closer to mining sea floor

The Cook Islands is the only country in the world with a widely recognised, commercially viable ‘polymetallic nodule field’ – including valuable deposits of cobalt and titanium – within its exclusive economic zone.

Last week, the country took a step towards becoming the first in the world to mine those nodules, with six representatives from the American-based Ocean Minerals Ltd (OML) company visiting the islands of Aitutaki and Rarotonga to explore the viability of harvesting nodules.

Last year, OML gained exclusive rights to apply for licensing to undertake prospecting and exploration activities in an area of around 23,000sqm. This area lies within the South Penrhyn Basin, one of only four locations in the world with densities high enough for potential commercial extraction of nodules.

The agreement with the Cook Islands government was reportedly worth $100,000 and is valid for 18 months. OML director David Huber says the company is now in the process of applying for a licence to prospect and explore the area.

Cobalt metal fetches more than $130,000 a tonne and its value is expected to keep soaring. According to a report published by the Cook Islands Natural Heritage Trust, the South Penrhyn Basin could meet 24 per cent of global demand for cobalt and 26 per cent of the demand for titanium.

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