Giudicárie line
Bündner schist | flysch | molasse
Aarmassif | Dent Blanche klippe | Engadine window | Flysch zone | Giudicárie line | Greywacke zone | Hohe Tauern window | Molasse basin | Penninic thrustfront | Periadriatic Seam | Ivrea zone | Lepontin dome | Rechnitz window | Rhône-Simplon line | Sesia unit
The Giudicarie Line is a major geologic faultzone in the Italian Alps, named for the Giudicarie valleys area. It runs from Meran in the northeast as a more or less straight line along the lower part of the Val di Sole, along the Val Rendena (upper Sarca valley) and then along the Chiese valley to the Lago d'Idro (Idro Lake).
The northern part of the line is part of the Periadriatic Seam that separates the Southern Alps from the nappe stacks of the Central Alps and runs from west to east along the Alpine mountain chain. The Periadriatic Seam branches of to the west at the upper Val di Sole, where it is called Tonale line. In fact the northeast oriented Giudicárie line off-sets the (east-west) Periadriatic Seam by 100 kilometers.
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