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Swiss Journal of Geosciences
Fig. 13 | Swiss Journal of Geosciences

Fig. 13

From: Tectonometamorphic history of the Gruf complex (Central Alps): exhumation of a granulite–migmatite complex with the Bergell pluton

Fig. 13

a Leucosome-filled ductile shear zones within leucogranite cut by a pegmatite vein (left, running through label a). Cusp and lobate boundaries of the pegmatite indicate some flattening on the foliation of the country rock after pegmatite intrusion (east of Bivacco Vaninetti, 764′259/129′204). b Partly discordant and sheared leucosomes within conjugate shear zones (above pencil, shear zones group 1 and group 2 in the text, see Fig. 14) in migmatitic biotite-orthogneiss (upper Val Aurosina, 757′251/128′256). c Discordant leucosome dykes within migmatitic metasediments (upper Val Casnaggina, 758′872/129′928). d Discordant melt patches cutting the main foliation within partly migmatitic micaschist (upper Val Casnaggina, 759′580/129′545). e Partly sheared pegmatite dyke intruded into a ductile shear zone (upper Val Aurosina, 758′314/128′576)

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