(A) lithological columns and correlations of the Gallician 9 and Pierrefeu 1 wells located in the Gallician and Pierrefeu sectors respectively and chronstratigraphic framework after Semmani et al. (2023); (B) Geographical map of the Gallician and Pierrefeu sectors (enlargement of the rectangle shown in Fig. 2A) showing the location of subsurface database (wells and seismic lines), LGA = LaGaline well; numbers refer to the Gallician wells (from Gallician 1 to Gallician 9), modified after Valette (1991).