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Methods

We use observations of the crustal and lithospheric structure of margins from wide-angle and multichannel seismic data with numerical modeling of their dynamics. We actively pursue sea-going expeditions to collect seismic data, as well as develop in house numerical codes to understand these observations. Numerical models include fully dynamic codes and mixed kinematic-dynamic codes to simulate lithospheric extension, both using finite element approximations. We also develop inversions of topography and gravity data to gain an understanding of the lateral variations in the lithosphere’s strength.

a) Coupled modelling of sedimentation and deformation during continental extension at passive margins (Andrés-Martínez et al., in prep.), b) coupled modelling of deformation, serpentinisation and melting during continental extension at passive margins (Ros et al., G-cubed, 2017), and c) pre-stack depth migrated line of the West Iberia-Newfoundland margin, showing the spatial relationship between main margin forming faults and the exposed mantle oceanward of them (Ranero and Pérez-Gussinyé, Nature, 2010)