Aleksandrovac Zupa represents the example of territorial area with composite geological structure and furthermore compound geotectonic framework. Due to the character of some formations, framework and time relation of deformation, these areas belong among the most compound on the Balkan Peninsula. On its territory, the big and composite structural-facies zones are being confronted and became imbued. In a stratigraphic point of view, the largest extend have the Miocene deposits that overlain the crystalline schists of Proterozoic. .