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Swiss Journal of Geosciences
Fig. 5 | Swiss Journal of Geosciences

Fig. 5

From: Structural and metamorphic evolution of a subducted passive margin: insights from the Briançonnais nappes of the Western Alps (Ubaye–Maira valleys, France–Italy)

Fig. 5

a Relationships between Sérenne-Guillestre unit and Brec de Chambeyron klippe at Col Nubiera (Fig. 3, 44°30′22.0ʺN 6°51′33.5ʺE); b Paleofault trace (blue line dipping N) in the Brec de Chambeyron klippe (courtesy of J.P Bouillin, 2022); Upper Cretaceous to early Paleogene calcschists including Jurassic blocks marks the fault scarp; c Ductile kinematic indicator (dolostone delta porphyroclast) indicating top-to-NE sense of shear along the Col des Houerts backthrust calc-mylonites, developed in Triassic marble; d Natural cross-section of the Marinet anticline as seen from the southern slope of the Ubaye valley. The high cliffs and peaks in the background belong to the Châtelet-Font-Sancte nappe. SER Flysch de Serenne-Guillestre, TMS Middle–Upper Triassic limestone, φBrec Brec de Chambeyron thrust

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