Abstract
The utilization of multichannel seismic reflection profiles permits the identification of the generally E-W trending Miocene orogenic and Plio-Quaternary post-orogenic features of Apennine (NW-SE) and anti-Apennine (NE-SW) trends in the Campanian margin. The former features are constituted by carbonate and/or allochthonous sheets which were thrust mainly towards the north and northeast during the Miocene tectogenetic phases. The latter are represented by extensional structures which affected the orogenic features during Plio-Quaternary times. The anti-Apennine tectonic trend is responsible for the recent (Late Pliocene—Quaternary) and remarkable block-faulting differential subsidence of the southern margin, as well as for its present morphology. The ragged and disconnected pattern of the allochthonous units over the present-day slope and their accumulation underneath the shelf area suggest that they are the result of gravitational gliding tectonics. Gravity cores and 3.5-kHz subbottom profiles indicate that the Salerno Trough and Capri Basin areas are characterized by a particular neotectonic mobility; this is proved by the thick and coarse-grained sediment accumulation from steep relief produced by block faulting. This faulting created uplift belts serving as sediment source.
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