“…This approach, based on new field investigations, a reassessment of existing geological maps (geological maps of Tunisia (Ben Haj Ali et al, 1985;Bouaziz et al, 1986;Zouari et al, 1987;Bouaziz and Mello, 1990;Bouaziz, 1990aBouaziz, ,b, 1991Bouaziz, , 1998 and Libya (El Hinnawy and Cheshitev, 1975;Mann, 1975;Smetana, 1975;Antonovic, 1977;Novovic, 1977;Zivanovic, 1977), a reassessment of previous works (Mathieu, 1949;Busson, 1972;Bouaziz, 1995) and well correlations, allow us to revisit the structural significance of the ''Tebaga of Medenine''. Jongsma et al (1985Jongsma et al ( , 1987, Chamot-Rooke et al (2005), Rusk (2001), Casero and Roure (1994), Finetti (1982), and Burollet (1991). B = General cross-section from the middle part of the Pelagian sea to the Sahara platform modified from Jongsma et al (1985), Hallett (2002), Boote et al (1998), Klett (2001), and Boccaletti and Manetti (1978) …”