Fig. 4

Overall view of the Flims rock avalanche. A Flimserstein with the scarps left behind by the Flims rock avalanche. View is to the north. FS, HS, LS: Frontal, Head, Lateral scarp. Photo ^©Tektonikarena Sardona/R. Homberger. B View to the north across the Vorderrhein valley. The extent of the rock avalanche deposit is colored faintly in white. Photo ©Tektonikarena Sardona/R. Homberger. C The photograph shows the head scarp between Fil de Cassons and Segnas Sut. View is to the east. Two klippen of Verrucano (V) sit on top of Flimserstein. The planar slope to the right (south) of the head scarp is the gliding surface in the zone of depletion. Photo A. Pfiffner