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Geology

At the foot of Fort-Queyras, the course of the Guil follows the notch with the two vertical sides left by the glacier.
Block of quartzite covered with its characteristic yellow lichen, Rhizocarpon geographicum
"Green marble" from the Saint-Véran quarry. It is in fact a sedimentary breccia with cemented serpentinite fragments
Pra Premier in Arvieux, an old filled glacial lake, seen from the via ferrata
Roches moutonnées (sheepbacks) in the Péas valley (Chateau-Ville-Vieille)
An abandoned quarry in Queyras
Folded rock in Furfande (Arvieux)