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Fig. 10 | Swiss Journal of Geosciences

Fig. 10

From: Geometry and kinematics of the Roisan-Cignana Shear Zone, and the orogenic evolution of the Dent Blanche Tectonic System (Western Alps)

Fig. 10

Summary of P–T–d–t table for the studied tectonic slices (Arolla series, Lower Unit of the Mont Mary nappe, Roisan Zone, pre-Alpine meta-sediments, all belonging to the DBTS) involved in the RCSZ. New data obtained from this study are in red. Literature data are reported in black (Roda and Zucali, 2008; Manzotti et al., 2012). A coloured column indicates the metamorphic conditions that existed during the different stages of the evolution (HT high temperature—amphibolite/granulite facies, BSF blueschist facies, GSF greenschist facies). The graph shows the Alpine P–T evolution for the basement units (Arolla Series and Lower Unit of the Mont Mary nappe), the Roisan Zone and the Cuney and Becca di Salé slices, along the RCSZ. The Ab = Jd + Qz equilibrium is calculated according to Holland (1980)

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