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Swiss Journal of Geosciences
Fig. 14 | Swiss Journal of Geosciences

Fig. 14

From: Anatomy of a km-scale fault zone controlling the Oligo-Miocene bending of the Ligurian Alps (NW Italy): integration of field and 3D high-resolution digital outcrop model data

Fig. 14

Modified from Maino et al. (2013), Federico et al. (2014), Morelli et al. (2022). E Reconstruction of the paleo-orientation of the Ligurian Alps shear zone, restoring the rotation throughout the Chattian and Early Miocene stages

A–C Evolutionary sketches of the curvature of the Western Alps; green, red and grey colored lines represent the Alpine fronts at 30 Ma, 23 Ma and present day, respectively. Dotted lines indicate the location of the shear zone of the Ligurian Alps at 23 (red) and present day (grey). D Regional tectonic sketch locating the Horse Head fault zone within the mega shear zone (Riedel scheme) represented by the entire Ligurian Alps. The other major fault zones are shown, including BSM Breil-Sospel-Monaco fault, MFS Marcel Fault System, NLFS North Ligurian Fault System, NPDZ Northern Principal Deformation Zone, SL Stura line, comprising the Stura and Preit faults, SPDZ Southern Principal Deformation Zone, ST Saorge-Taggia fault, TPB Tertiary Piedmont Basin, ZF Zuccarello fault.

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