Elia D'Acremont (1,2), Christian Gorini (1,2), Belen Alonso (3), Abdellah Ammar (4), Mohammed El Abbassi (4), Marc De Batist (5), Silvia Ceramicola (6), Damien Do Couto (1,2), Gemma Ercilla (3), Marc-André Gutscher (7), Sylvie Leroy (1,2), Bernard Mercier De Lépinay (8), Sébastien Migeon (1,2), Bouchta El Moumni (9), Jeffrey Poort (1,2), Laetitia Le Pourhiet (1,2), Alain Rabaute (1,2), Pascal Le Roy (7), Jeroen Smit (1,2), Abdelilah Tahayt (10), Gabriel Teurquety (1,2), Juan Tomas Vazquez (11), the Marlboro & Saras teams
(1) ISTEP, UPMC Université, Paris 06, France. E-mail: elia.dacremont@upmc.fr
(2) ISTEP, CNRS-UMR7193, France.
(3) Departament de Geologia Marina, ICM, CSIC, Barcelona, Spain.
(4) Mohammed V-Agdal University, Rabat, Morocco.
(5) WE13, Gent University, Belgium.
(6) OGS, Trieste, Italy.
(7) IUEM, UBO, UMR6538, France.
(8) CNRS-Géoazur, Université de Nice-Sophia Antipolis, France.
(9) Université Abdelmalek ESSAADI, Larache, Morocco.
(10) CNRST, Rabat, Morocco.
(11) IEO, Malaga, Spain.