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326 A. Sulli / Tectonophysics 324 (2000) 321–336

Fig. 5. Main seismic facies types observed on seismic profiles (see text).

(Catalano et al., 1985; Torelli et al., 1985; Catalano stacking above the Apenninic–Maghrebian units
et al., 1989; Antonelli et al., 1991). The Kabilian– is believed post-Burdigalian (Beccaluva et al.,
Calabrian stack is represented by a pile of tectonic 1986). The thrust front can be observed at the
units of mostly crystalline rocks, covered by southern escarpment of Mt. Drepano ( Elimi chain)
Tertiary terrigenous successions and Plio- and is buried beneath the Plio-Pleistocene filling
Pleistocene clastic and pelagic sediments (Catalano of the Trapani basin (Agate et al., 1993). The role
et al., 1989; Compagnoni et al., 1989). Their of extensional tectonics, invoked by some authors