Glarus Thrust and Lochseiten limestone at Piz Atlas. North is left and south is right. The Lochseiten limestone is the approximately 1 m thick light grey band separating the greenish Permian Veruccano above from the darkish "Flysch" below. Foliation in the "Flysch" is dipping south and cut off by the Lochseiten limestone. Foliation in the Verrucano is flat and parallel to the Lochseiten limestone. Note yellowish, approximately 25 cm thin, upper layer of Lochseiten limestone. This is the so called Lochseiten "mylonite", the actual thrust plane. In the lower part of the Lochseiten limestone the foliation is parallel to the foliation in the Flysch.

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