End-members of syn-subduction extension settings coeval with plate convergence (large black arrows). A: Back-arc extension at active margin with subduction rollback (e.g., Western Mediterranean Tertiary basins, Aegan Sea). B: Renewed, late extension at passive margin related to lithospheric bending and slab pull and rollback (Sirte Cretaceous basin, Central Apennines, Briançonnais).