 Hypsometric marks within the Caucasus region vary from about -28 metres at the Caspian Sea shoreline up to 4466 metres at Mount Bazardüzü.The geology of Azerbaijan forms a constituent geological part of the Alpine folded belt.Sedimentary deposits embracing the southwestern parts of the Major and Minor Caucasus, including the intermountain Kur-River trough, as well as the Mid- and South Caspian basins consist of diversity fold systems.