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Swiss Journal of Geosciences
Fig. 4 | Swiss Journal of Geosciences

Fig. 4

From: A step towards unraveling the paleogeographic attribution of pre-Mesozoic basement complexes in the Western Alps based on U–Pb geochronology of Permian magmatism

Fig. 4

A panoramic view of the left bank of the Guil gorges, taken from Pré Riond (see location on Fig. 3). The red–purple rocks are the Guil andesites. After a huge rockfall in 1948, the road was destructed, and a tunnel, aptly named “Tunnel des Roches violettes”, has been excavated into the Guil andesites. The studied rocks have been collected at the entrance of the tunnel

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