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Fig. 4 | Swiss Journal of Geosciences

Fig. 4

From: Ivrea mantle wedge, arc of the Western Alps, and kinematic evolution of the Alps–Apennines orogenic system

Fig. 4

Three generations of stretching lineations and associated senses of shear around the arc of the Western Alps. Red arrow: stage 1 top N transport; blue arrows: stage 2 top WNW transport; green: stage 3 top SW transport; arrow pairs reflect the variation of the measured lineations; see text for further details. Numbered areas of measurements and literature sources are as follows: area 1, Valaisan and Penninic Front (Loprieno et al. 2011); area 2, Zone Houillère of the Briançonnais Unit (Bucher et al. 2004); area 3, Subbriançonnais and Penninic Front (Ceriani et al. 2001; Ceriani and Schmid 2004); area 4, Penninic Front (top NW) and basal decollement of Cenozoic flysch of the Dauphinois (top SW) (Bürgisser and Ford 1998; Trullenque 2005; Trullenque et al. 2006); area 5, eclogite facies lineations (top N) and greenschist facies lineations (top SW) in M. Viso ophiolites (Philippot 1988, 1990); area 6, Latest Eocene “schistes è blocs” at the base of the Embrunais-Ubaye nappes (Trullenque 2005); area 7, Penninic Front N of the Argentera massif (Trullenque 2005); area 7, thrust transport constraints from the Dauphinois of the Digne thrust system (Lickorish and Ford 1998; Ford et al. 2006)

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