The modern appearance of the Ural Mountains. They owe their modern appearance to the re-lifting of some mountain ranges during the alpine orogenic movements, which gave the Ural a fold-stromal character. Ice-ice was an additional landscape sculptor, appearing here throughout the Pleistocene of the Cenozoic era. Today, the chain of steep slopes to the east cuts off the West Siberian Plain. In the west, gently, it goes through the hilly and undulating hills towards the East European Plain. The steep slopes clearly marked in the terrain decided to mark the border between Europe and Asia along the eastern side of the mountains. The Ural Mountains are built of Precambrian and Palaeozoic highly folded crumb rocks, carbonate as well as metamorphic and igneous (often in the form of veins).