Tectonic map of Glarus Alps slightly modified after Spicher (1980). Red
line is the Glarus Thrust, the basal thrust of the Helvetic nappes.
Yellowish colours are Molasse, greenish colours the allochtonous Helvetic
nappes, and blueish colours the Infra Helvetic unit, including the
autochtonous Aar Massiv, the (para) autochtonous Helvetic cover of the Aar
massiv and the allochtonous Blattengrat and Sardona Flysch units
Tektonische Karte der Schweiz 1:500 000 / August Spicher; Schweizerische Geologische Kommission
Ausgabe Aufl. 2 Impressum Wabern, Bundesamt für Landestopographie, 1980.
