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Late Tortonian-Quaternary tectonic evolution of central Sicily; the major role of the strike-slip deformation

Stefano Catalano, Francesco Pavano, Gino Romagnoli, Giuseppe Tortorici and Luigi Tortorici
Late Tortonian-Quaternary tectonic evolution of central Sicily; the major role of the strike-slip deformation (in Birth and death of oceanic basins; geodynamic processes from rifting to continental collision in Mediterranean and circum-Mediterranean orogens, G. Capponi (editor), Andrea Festa (editor) and Gisella Rebay (editor))
Geological Magazine (February 2018) 155 (2): 536-548

Abstract

We here propose a new kinematic picture of central Sicily based on the results of detailed field mapping of the region, combined with structural analyses and the interpretation of the available literature subsurface data. Our study focused on the tectonic boundary of a structural depression, the Caltanissetta Trough, which is now filled with allochthonous terrains resting on the deep-seated inverted African palaeomargin units. Our data refer to the tectonosedimentary evolution of the thrust-top basins, from Late Tortonian to Quaternary times. The study points out the occurrence of regional E-W-oriented dextral shear zones, cutting the NE-oriented trends of the thrust belt. This new evidence would confirm the major role of the E-W trend in the tectonic inversion of the external portions of the Africa palaeomargin in Sicily. Our results could contribute to a better understanding of the location in Sicily of the tectonic lineaments accommodating the hundreds of kilometres of lateral displacement, caused by the Late Miocene-Quaternary Tyrrhenian Basin opening to the north of the island.


ISSN: 0016-7568
EISSN: 1469-5081
Coden: GEMGA4
Serial Title: Geological Magazine
Serial Volume: 155
Serial Issue: 2
Title: Late Tortonian-Quaternary tectonic evolution of central Sicily; the major role of the strike-slip deformation
Title: Birth and death of oceanic basins; geodynamic processes from rifting to continental collision in Mediterranean and circum-Mediterranean orogens
Author(s): Catalano, StefanoPavano, FrancescoRomagnoli, GinoTortorici, GiuseppeTortorici, Luigi
Author(s): Capponi, G.editor
Author(s): Festa, Andreaeditor
Author(s): Rebay, Gisellaeditor
Affiliation: Universita di Catania, Dipartimento di Scienze Biologiche, Geologiche e Ambientali, Catania, Italy
Affiliation: University of Genova, Department of Earth, Environment and Life Sciences, Genova, Italy
Pages: 536-548
Published: 201802
Text Language: English
Publisher: Cambridge University Press, London, United Kingdom
References: 64
Accession Number: 2018-053026
Categories: Structural geology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. geol. sketch maps
N37°49'60" - N38°00'00", E13°10'00" - E13°49'60"
Country of Publication: United Kingdom
Secondary Affiliation: GeoRef, Copyright 2018, American Geosciences Institute. Abstract, Copyright, Cambridge University Press. Reference includes data from GeoScienceWorld, Alexandria, VA, United States
Update Code: 2018
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