The visualisation and validation in three dimensions of the structure of the study area was carried out by the integration of surface geological and sub-surface data. Original field mapping of the onshore sector combined with the interpretation of seismic reflection profiles calibrated with well logs from hydrocarbon exploration allowed us to construct a three dimensional model showing the main geological features. This process involved the integration of shallow cross-sections based on geological map data and those derived from interpretation, calibration and conversion from time to depth of seismic profiles. Once the line drawing from seismic profiles were converted in geological cross-sections, they were imported in a geo-referenced virtual space and correlations among stratigraphic horizons were carried out in order to obtain surfaces corresponding to the main stratigraphic boundaries. Important assumptions and interpretations of faults and related folds were taken in account to define their features. For example, to define fault tip lines, additional cross-section were built between the main ones in order to close fault surfaces, taking into account common length/displacement relationships.
The 3D model allows a better visualisation and understanding of the main features of the study area.