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Authors: Argnani, A.* 
Favali, P.* 
Frugoni, F.* 
Gasperini, M.* 
Ligi, M.* 
Marani, M.* 
Mattietti, G.* 
Mele, G.* 
Title: Foreland deformational pattern in the Southern Adriatic Sea
Journal: Annali di Geofisica 
Series/Report no.: /36(2)(1993)
Issue Date: 1993
Keywords: southern Adriatic Sea
foreland deformation
Subject Classification04. Solid Earth::04.07. Tectonophysics::04.07.07. Tectonics 
Abstract: Two major deformation belts occur in the portion of the Adriatic Sea offshore the Gargano Promontory. Although these two belts display similar characters on seismic profiles, they are different in other respects. The NE-SWtrending Tremiti Deformation Belt, located north of the Gargano Promontory, originated during the Plio-Quaternary, while the E-W-trending South Gargano Deformation Belt, located south of the Gargano Promontory, formed in a time span that goes from Eocene to early Pliocene. On the ground of structural and stratigrafic evidence these deformation belts are interpreted as originated by tectonic inversion of Mesozoic extensional faults. This inversion tectonics, of Tertiary age, can be related to the evolution of the fold-and-thrust belts that surround the Adriatic Sea. A moderate seismic activity, recorded around the Tremiti Island, and historical seismological data suggest that the whole of study area is, at present, seismically active. Therefore, this portion of the Adriatic block still represents a preferental site of deformation.
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