(a) Phase E compressive deformation in Area 1: 1. Marsascala Anticline, 2. Zabbar Anticline, 3. Valletta Anticline. 4. Naxxar Anticline, 5. Ghallis Anticline, 6. Marsaxlokk Syncline, 7. San Leonardo Syncline infilled with Calabrian carbonates, 8–9. Sliema-Hamrun Syncline, 10. Pieta Anticline, and 11. Mqabba Basin (Area 2); (b) Inset of Area 1 showing topography and dip of beds and location of Wied il-Ghasel paleoriver mentioned in the text. The orientation of S_H max is from Grasso et al. (1986); (c) inset showing left-lateral strike-slip faults along Mellieha Ridge and Bugibba (Area 4). (d) South Gozo Fault is a dextral strike-slip fault showing anticline (compression) on the west and feather structures (extension) along the east.