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Table 2 Schematic relationships between deformation and metamorphism (a) Basement rocks (Arolla Series and Lower Unit), (b) Becca di Salé and Cuney slices c Roisan Zone

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

Stage Granite (coronitic fabrics) Quartzdiorite (coronitic fabrics) Ph ± sodic Amp-bearing gneiss (tectonitic and mylonitic fabrics) Amp ± Grt-bearing gneiss (tectonitic and mylonitic fabrics)
(a) AROLLA UNIT
 1 pre-Alpine Mag1 Qz + Pl + Afs + Bt + Amp Pl + Qz + Bt + Hbl Qz + Fsp + Hbl + Ttn + Ap
 2 pre-Alpine D2 + Met2 Wm + Chl ± Ilm ± Ttn Wm + Chl ± Ilm ± Ttn
 3 Alpine D3 + Met3 Qz + Fsp + Ph + sodic Amp + Ep + Ilm Qz + Fsp + Grt + blue or green Amp + Ep + Ph + Ttn
 4 Alpine D4 + Met4 Qz + Fsp + Ph + sodic Amp + Ep + Ilm Qz + Fsp + Grt + blue or green Amp + Ep + Ph + Ttn
 5 Alpine D5 + Met5 Ep + Chl + Wm Ep + Chl + Wm Wm + Chl ± Cal ± green Amp Wm + Chl ± Cal ± green Amp
 6 Alpine D6 ± Met6 Cal Cal Cal + Chl Cal + Chl
Stage Impure marble Metasediments   
(b) CUNEY and BECCA DI SALE’ SLICES   
 1 pre-Alpine Metl Cal + Qz + Grt + Di + Ttn + Aln Qz + Grt + Mn-Cum + Mag + Aln + Ap   
 2 pre-Alpine D2 + Met2   
 3 Alpine D3 + Met3 Cal + blue-green Amp + Grt + Qz + Ph + Ep + Pl + Ilm Qz + Grt + sodic Amp + Mag + Ilm   
 4 Alpine D4 + Met4 Cal + blue-green Amp + Grt + Qz + Ph + Ep + Pl + Ilm Qz + Grt + sodic Amp + Mag + Ilm   
 5 Alpine D5 + Met5 Stp + Chl + Py + green Amp + Hem   
 6 Alpine D6 ± Met6 Cal Hem + Chl   
Stage Dolomitic marble Calcschist (tectonitic and mylonitic fabrics) Qz-bearing micaschist (tectonitic and mylonitic fabrics)  
(c) ROISAN ZONE  
 1 pre-Alpine Mag1  
 2 pre-Alpine D2 + Met2  
 3 Alpine D3 + Met3 Dol + Wm + Qz + Cal + Pl + Py Cal + Qz + Ph + Ank + Gr + Pl + Ep + Ttn Wm + Qz + Cal + Gr + Ank + Pl  
 4 Alpine D4 + Met4 Dol + Wm + Qz + Cal + Pl + Py Cal + Qz + Ph + Ank + Gr + Pl + Ep + Ttn Wm + Qt + Cal + Gr + Ank + Pl  
 5 Alpine D5 + Met5 Wm + Chl ± Cal Wm + Chl + Py ± Cal  
 6 Alpine D6 ± Met6 Cal + Qz Chi + Qz