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Swiss Journal of Geosciences
Fig. 19 | Swiss Journal of Geosciences

Fig. 19

From: Tectonics of the Monte Rosa and surrounding nappes (Switzerland and Italy): Tertiary phases of subduction, thrusting and folding in the Pennine Alps

Fig. 19

Monte Rosa granite gneiss from Villadossola in Ovesca riverbed with stretching lineation XII, surface perpendicular to the schistosity plane and parallel to the stretching lineation XII. Sigma-type deformed K-feldspar porphyroclasts with K-feldspar growth in pressure shadows indicate dextral shear deformation under amphibolite facies conditions

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