--> Abstract: Comparing Structural Styles in the Apennines, Central Italy, by F. Salvini, G. P. Cavinato, P. Clpollari, S. Corrado, D. Cosentino, D. Di Bucci, E. Miccadei, G. Naso, M. Parotto, F. Storti, and M. Tozzi; #90942 (1997).

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Abstract: Comparing structural styles in the Apennines, Central Italy

ALVINI, F., G. P. CAVINATO, P. ClPOLLARI, S. CORRADO, D. COSENTINO, D. DI BUCCI, E. MICCADEI, G. NASO, M. PAROTTO, F. STORTI, and M. TOZZI

The present-day structural framework of Central Italy results from the complex interaction between the Africa and the Europe plates. It started in Late Cretaceous and is still active; it developed through a series of tectonic phases. The last tectonic event started in Late Cenozoic and is characterized by: a) the development of the Apennines, a thrust and fold chain overthrusted to the East the Adria microplate; b) the opening of the Tyrrhenian Sea extensional basin to the West. The southwestern sector is characterized by extensional faulting. The central sector is characterized by large outcrops of carbonate Mesozoic rocks. The general vergence is towards the NE, with smaller scale backthrusts. In the northeastern sector only their Messinian to Pliocene younger layers crop out. This general trend interferes with strong differences in the successions involved, resulting in different structural styles from NW to SE, further complicated by the presence of piggy back basins and regional-scale strike-slip faults. A series of structural cross sections illustrate the three different tectonic domains from NW to SE. Widespread fault-related folds are developed in the Umbria-Marche domain; large thrust sheets characterize the Latium-Abruzzi domain; and duplex-like geometry is the dominant style of the Molise Region.

AAPG Search and Discovery Article #90942©1997 AAPG International Conference and Exhibition, Vienna, Austria