During the Hercynian (the Upper Carboniferous) orogeny, the Carnic basin was characterized by strong tectonic movements that led to the deepening of some areas and the lifting of others. Submarine landslides thus led to the accumulation of sediments with variable granulometry including breccias, conglomerates, sandstones and pelites with characteristics that indicate that they came from areas some distance away from the deposition basin. These rocks make up the Hochwipfel Formation. In this outcrop one can note dark argillites and siltites, easily flakable along parallel planes.