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Fig. 1 | Swiss Journal of Geosciences

Fig. 1

From: Anatomy and kinematic evolution of an ancient passive margin involved into an orogenic wedge (Western Southern Alps, Varese area, Italy and Switzerland)

Fig. 1

a Tectonic scheme of the Alps (Codes: CSA, Central Southern Alps; ESA, Eastern Southern Alps; WSA, Western Southern Alps); b simplified geological map of the Central and Western Southern Alps with emphasis on the Alpine and rift-related structures (i.e., Maggiore Line, Pogallo Line and Lugano Valgrande Fault, in blue); the extent of the Ivrea Geophysical Body (IGB), the surface projection of the Adria Crustal Wedge tip (ACW) and the extent of the Varese Ara (black box) are also indicated; Fault Codes: AT: Arosio thrust; CMB: Cossato–Mergozzo Line; GB: Gonfolite backthrust; IGB:Ivrea Geophysical Body; MF: Marzio Fault; VT and VTb: Villafortuna-Trecate thrust and backthrust, respectively (sources for the maps: Amadori et al., 2019; Fantoni et al., 2002, 2004; Mazzucchelli et al., 2014; Rosenberg & Kissling, 2013; Scardia et al., 2015; Scarponi et al., 2021; Schmid et al., 2017; Zanchi et al., 2019 and this study for the Varese area)

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