A seismic reflection study of the External Calabrian Arc in the northern Ionian Sea (eastern Mediterranean)
1981
The External Calabrian Arc is located off the convex side of the Calabro-Peloritanian Arc in the northern Ionian Sea. A systematic reflection seismic survey indicates that it is made of different structural elements whose characters seem consistent with an active accretionary margin. The main structures are the Crotone-Spartivento slope (comparable to an inner trench slope) and the intermediate depressions (comparable to a trench area). Internal to these elements, the Crotone-Spartivento basin may represent a fore-arc basin. This partly outcrops in Calabria and its structure suggests that the accretionary margin developed at least since middle-upper Miocene.
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