The possibilities for stratigraphical precision between the Upper Jurassic and the Lower Cretaceous in pelagic development are considered for the locality of Dedine stream. Nearby the city of Golubac, is observed and described the profile that starts with Paleozoic schists which are overlained with Oxfordian/Cimeridgian limestones with cherts, then follows the beds of "Lithographic limestones" and marlstones with Tithonian/Berriasian ammonites.