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Swiss Journal of Geosciences
Fig. 2 | Swiss Journal of Geosciences

Fig. 2

From: Blueschist mylonitic zones accommodating syn-subduction exhumation of deeply buried continental crust: the example of the Rocca Canavese Thrust Sheets Unit (Sesia–Lanzo Zone, Italian Western Alps)

Fig. 2

Mesostructures and dominant fabrics of rock types constituting the MZ and the RCTU. a Gneiss (Gn) enclosing a small dyke of orthogneiss (Ogn). x = 1387620, y = 5018403. b Boundary between gneiss (Gn) and orthogneiss (Ogn) sub-parallel to the S2 mylonitic foliation. x = 1387686, y = 5018380. c Contact between silicates-bearing marble (Mb) and glaucophanites (Gl). x = 1387299, y = 5016764. d Boundary between gneiss (Gn) and glaucophanites (Gl) parallel to the S2 mylonitic foliation. x = 1387420, y = 5016760 e Oblique shear band (S-C’) in very fine-grained glaucophanites indicating top-to-the right shear sense (dextral). x = 1387568, y = 5018638. f Isoclinal folding (AP3) of the S2 mylonitic foliation and the contact between gneiss (Gn) and glaucophanites (Gn). x = 1387526, y = 5019933

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