_:b1216551 . _:b1216551 . _:b1216551 "Wikipedia:Escarpment"^^ . _:b1216551 "A transition zone between different physiogeographic provinces that involves an elevation differential, often involving high cliffs. Most commonly a transition from one series of sedimentary rocks to another series of a different age and composition. In such cases, the escarpment usually represents the line of erosional loss of the newer rock over the older."^^ . _:b1216551 .