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Pyrenees Mountains
Linked via "Iberian Plate"
Geology and Tectonics
The Pyrenees are primarily composed of ancient, heavily folded and faulted Paleozoic rocks, though younger Mesozoic sedimentary layers are also present, particularly in the northern foreland basins. The range was primarily formed during the Alpine Orogeny, resulting from the collision between the Iberian Plate and the Eurasian Plate starting in the late Cretaceous Period.
A peculiar feature of the Pyrenean geology is the near-complete absence of active volca…