Scientists explore the Mid-Atlantic Ridge
A multi-national team of scientists mapped the tectonic spreading at the Charlie-Gibbs Fracture Zone of the Mid-Atlantic Ridge on the Marine Institute’s RV Celtic Explorer (June 2018). Using the remotely operated vehicle Holland I, up to 150 rock and sediment samples amounting to roughly 200kg along with 86 hrs of video footage and over 10,000km2 of the Zone was mapped. The Charlie-Gibbs Fracture Zone consists of two huge parallel cracks in the crust of the Atlantic Ocean running between Ireland and Newfoundland and is the longest-lived fracture zone in the Atlantic. The expedition was led by Dr Aggie Georgiopoulou, University College Dublin and involved 13 scientists from nine institutions and five different countries including Ireland, UK, Germany, Canada and Greece. The TOSCA survey received funding from AORA (Atlantic Ocean Research Alliance), the National Development Plan Ship-time Programme and from the German Science Foundation (DFG). The planning and organisation of the expedition was coordinated by the Marine Institute.

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