GNGTS 2014 - Atti del 33° Convegno Nazionale

Hippolyte J.C., Angelier J., Barrier E.; 1994: A major geodynamic change revealed by Quaternary stress patterns in the southern Apennines (Italy) . ��������������� Tectonophysics, 230 , 199-210. Malinverno A., Ryan W.B.F.; 1986: Extension in the Tyrrhenian sea and shortening in the Apennines as result of arc migration driven by sinking of the lithosphere . Tectonics, 5 , 227-245. Mantovani E., Babbucci D., Tamburelli C., Viti M.; 2009: A review on the driving mechanism of the Tyrrhenian- Apennines system: Implications for the present seismotectonic setting in the Central-Northern Apennines . Tectonophysics, 476 , 22-40. Mantovani E., Viti M., Babbucci D., Tamburelli C., Cenni N., Baglione M., D’Intinosante V.; 2014: Generation of back-arc basins as side effect of shortening processes: examples from the Central Mediterranean . International Journal of Geosciences, 5 , in press. Marzocchi W., Schorlemmer D., Wiemer S. (Eds); 2010: Collaboratory for the Study of Earthquake Predictability: Preface . Ann. Geophysics, 53 , III-VIII. Meletti C., Galadini F., Valensise G., Stucchi M., Basili R., Barba S., Vannucci G., Boschi E.; 2008: A seismic source zone model for the seismic hazard assessment of the Italian territory . Tectonophysics, 450 , 85-108. Negredo A.M., Sabadini R., Bianco G., Fernandez M.; 1999: Three-dimensional modelling of crustal motions caused by subduction and continental convergence in the central Mediterranean . �������� �� ����� Geophys. J. Int., 136 , 261-274. Patacca E., Sartori R., Scandone P.; 1990: Tyrrhenian basin and Apenninic arcs: kinematic relations since Late Tortonian times . Mem. Soc. Geol. It., 45 , 425-451. Reuther D., Ben Avraham Z.; Grasso M; 1993: Origin and role of major strike-slip transfers during plate collision in the Central Mediterranean . ����� ����� Terra Nova, 5 , 249-257. Schiattarella M., Di Leo. P., Beneduce P., Giano S. I.; 2003: Quaternary uplift vs tectonic loading: a case study from the Lucanian Apennine, southern Italy . Quaternary International, 101–102 (2003) 239–251. Shemenda A.I.; 1993: Subduction of the lithosphere and back arc dynamics: insights from physical modelling. J. Geophys. Res., 98 , 167-185. Viti M., Mantovani E., Babbucci D., Tamburelli C.; 2006: Quaternary geodynamics and deformation pattern in the Southern Apennines: implications for seismic activity . Boll. Soc. Geol. Ital., 125 , 273-291. Viti M., Mantovani E., Babbucci D., Tamburelli C.; 2011: Plate kinematics and geodynamics in the Central Mediterranean . �� ������������ J. Geodynamics, 51 , 190-204. THE MESSINIAN SALINITY CRISIS IN THE WEST-MEDITERRANEAN BASINS: COMPARISON BETWEEN TWO RIFTED MARGINS A. Mocnik 1 , A. Camerlenghi 2 , A. Del Ben 1 , R. Geletti 2 , N. Wardell 2 , F. Zgur 2 1 Dipartimento di Matematica e Geoscienze, University of Trieste, Italy 2 OGS, Sgonico (TS), Italy Introduction. We present a comparison between two multichannel seismic datasets acquired across the passive margins of the west Mediterranean sea: the west Sardinia continental margin extending in the east Sardo-Provençal basin and the South Balearic continental margin extending in the north-western Algero-Balearic basin. The two margins bear in common the origin from continental rifting, but underwent different geodynamic histories and are not coeval. The Sardo-Provençal basin opened following the Oligocene-Early Miocene breakup of the European plate and anticlockwise rotation of the Sardinian block. According to Mauffret et al. (2004) this phase ended in the early Miocene (16 Ma), when the opening of the Algero-Balearic basin started to open as a result of rifting between the Balearic Promontory and the African margin until the Tortonian (8 Ma). The Messinian Salinity Crisis (MSC) affected the whole Mediterranean basin, with deposition of evaporitic sequences in the deep basins, lower continental slopes, and in several shallower marginal basins; usually, in the continental margins, the MSC originated noticeable erosional truncations that locally cause important hiatuses in the pre-Messinian sedimentary sequences, covered by the Plio-Quaternary sequence. 156 GNGTS 2014 S essione 1.2