Mont Blanc: the area and its Alpine geology

Part of the Shear Zone Channel. Mont Blanc, the highest summit of the Alps and yet interpretations of the tectonic structure of the area are contested by geologists. We can visit some of the key localities in this dramatic landscape and develop the idea that the continental crust - the basement rocks that form the Mont Blanc massif - have been carried up on a major crustal scale thrust. It's a key structure in the NW Alps.Check out other content on the "Alpine videos" playlist.