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Thrust fault contact between the Eocene flysch (below) and the Permian Verrucano (above) near Schwanden. The arrow points to the fine contact line.
The Mythen is an isolated thrust outlier (Klippe) of Mesozoic rocks lying on top of Tertiary Eocene flysch, which in turn covers other Mesozoic formations. It is believed that the Mythen has been transported almost 150 km (90 miles) from the south.
The steep sides of Mount Pilatus, south of Lucerne, are seen on the left. The rocks are mostly Cretaceous sediments.
View to the west (left) near the top of Mount Pilatus, south of Lucerne. Note the very contorted layers. The mountain was overthrust about 50 km from the south (left of picture).