Deep Blue Story #10 | Jihene Nouairi is a young Tunisian researcher of the University of Sfax interested in geosciences and marine natural mineral resources. “Seabed mining” is in fact one of the fundamental sectors of the Blue Growth Strategy of the European Commission, the long term strategy to support sustainable growth in the marine and maritime sectors as a whole. But what is it? An active hydrothermal vent chimney spewing out hydrothermal fluids. The quantity of minerals occupying the ocean floor is potentially large.