Both the Alps and the Apennines contain primarily sedimentary rock resulting from sedimentation of the ancient Tethys Sea in the Mesozoic. The northward movement of the African Plate and its collision with the European Plate then caused the Alpine Orogeny, beginning in the late Mesozoic. The band of mountains created extends from Spain to Turkey in a roughly east–west direction and includes the Alps. The Apennines are much younger, extend from northwest to southeast, and are not a displacement of the Alpine chain.