The final part of Lake Pannon infill (Late Miocene, Beli Potok trough) consists of gray silts and sandy marls (lower part) and brownish to gray, sandy marls and silts (middle part). It contains fossil molluscs and ostracods which indicate to “Upper Pontian” (sensu Stevanović). Above this, there is a light yellow layer of sandy silt (up to 2 m thick), which contains carbonate concretions of different sizes. Finally, the Quaternary yellowish to brown proluvial-deluvial deposits up to 1m thick covers the section.