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Authors: De Ferrari, R.* 
Di Capua, G.* 
Eva, C.* 
Ferretti, G.* 
Nicolich, R.* 
Peppoloni, S.* 
Title: La definizione delle geometrie sedimentarie sepolte attraverso l’interpretazione integrata di dati geologici, geomorfologici e geofisici nella piana di Bojano (Provincia di Campobasso)
Issue Date: 15-Sep-2008
Keywords: Appennino molisano
seismic reflection prospecting
H/V spectral ratios analyses
Subject Classification04. Solid Earth::04.02. Exploration geophysics::04.02.06. Seismic methods 
04. Solid Earth::04.02. Exploration geophysics::04.02.07. Instruments and techniques 
04. Solid Earth::04.04. Geology::04.04.01. Earthquake geology and paleoseismology 
04. Solid Earth::04.04. Geology::04.04.03. Geomorphology 
04. Solid Earth::04.06. Seismology::04.06.10. Instruments and techniques 
04. Solid Earth::04.06. Seismology::04.06.11. Seismic risk 
04. Solid Earth::04.07. Tectonophysics::04.07.07. Tectonics 
Abstract: The Bojano plain corresponds to an elongated basin with Apennine direction, delimited by the Matese massif to SW and by the Sannio hills to NE. This area was studied utilizing geologic, geomorphologic and geophysical data, acquired mainly for microzoning of the Bojano town. Seismic reflection data reveal structural depressions nearby the centre of the town and two basins filled by recent fluvial-lacustrine deposits at the NW and SE sectors of the plain, respectively. Low angle tectonic structures correlate with the thrust of the Matese chain over the frontal more deformable sequences of the Sannio units, but any high angle active structure cutting the Matese thrusts at their eastern limit and in the first 1500 m has been imaged. The seismic sections have been complemented by H/V measurements of the seismic noise utilizing a seismological network installed for sites amplification analysis with a reference station and by an accurate study of the geomorphology of the area. Analyses of the morphogenetic processes contribute to the description of the evolution of the plain and of the depocentres, with depressions and structural highs or divides which strongly influenced the rivers action and the arrival of the alluvial cones.
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