Unteres Valser Melange
Representation and status
- Color RGB
- R: 250 G: 250 B: 200
- Rank
- tectonically bounded lithostratigraphic unit
- Validity
- Unit is in Use
- Status
- informal term
Nomenclature
- Deutsch
- Unteres Valser Melange
- Français
- Mélange inférieur de Vals
- Italiano
- Mélange inferiore di Vals
- English
- Lower Vals Mélange
- Historical Variants
-
Untere Valserschuppen = Lower Valserschuppen (van der Plas 1959), Untere Valser Schuppen (Kupferschmid 1977), Lower Vals Slices (TK500)
Description
- Description
-
Übergangszone zwischen Adula-Decke und Misox-Zone.
- Thickness
- Ca. 500 m (Steinmann 1994b), 300 m (Gouffon et al. 2024)
Hierarchy and sequence
- Units at roof
- Upper boundary
-
Die Obergrenze ist durch den weiträumig verfolgbaren Weissfluh-Dolomitzug definiert (Nabholz 1945, Steinmann 1994b).
Geography
- Geographical extent
- Kommt von nördlich des Zervreilasees bis San Bernardino vor.
References
- Definition
-
(2024) :
Tectonic Map of Switzerland 1:500000, Explanatory notes. Federal Office of Topography swisstopo, Wabern
p.53: From north of the Zervreilasee to San Bernardino, Triassic slices alternate with basement slices in a 300 m thick mélange zone known as the “Lower Vals Slices”, which is considered the top of the [Adula] nappe.