One of the enclaves that exhibits the best features to understand the old and most recent geological history of the north-northwest portion of the Iberian Peninsula is the Ballota Beach, located in Asturias, Spain. In the cliff above sea level that borders this beach to the south, a succession of Carboniferous “griotte” limestones crops out, deformed by spectacular ramp and detachment folds, as well as thrusts, backthrusts and...