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Tavetsch-Decke
- Origine del nome
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Tavetsch = Tujetsch (GR), Surselva
- Rango
- falda
- Statuto
- valido
- Età
- Precambriano - Paleozoico
- In breve
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The Tavetsch Nappe is an Upper Helvetic tectonic unit cropping out in a large part of the upper Surselva (Vorderrhein Valley). It shows two contrasting parts: In the west, a narrow crystalline “massif” (formerly “Tavetsch -Zwischenmassiv”), consisting mainly of paragneisses, lies between the Aar Massif in the north and the Gotthard Nappe in the south. In the east, this crystalline basement thins and terminates towards the east in the core of an anticline, surrounded by Permian Verrucano sediments. The continuation of these sediments is found in the Glarus Nappe Complex.
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Permische Metasedimente der Tavetsch-Decke
- Origine del nome
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Val Acla Mulin (GR), W Tenigerbad
- Rango
- unità litostratigrafia
- Statuto
- termine locale (informale)
- Età
- Permiano
- In breve
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Bläuisch-graue Chloritschiefer und -phyllite, die als permische Sedimentbedeckung der Tavetsch-Decke betrachtet werden.
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Calmut-Gneiskomplex
- Origine del nome
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Gipfel Calmut (GR), Tujetsch
- Rango
- Formazione litostratigrafica
- Statuto
- termine informale
- Età
- Precambriano - Paleozoico
- In breve
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Migmatitische Gneise (psephitischer bis chorismatischer Zweiglimmer-Plagioklas-K-Feldspar-Gneis) der Tavetsch-Decke.
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Rueras-Gneiskomplex
- Origine del nome
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Rueras (GR), Tujetsch
- Rango
- Formazione litostratigrafica
- Statuto
- termine informale
- Età
- Precambriano - Paleozoico
- In breve
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Metasedimentärer Muskovitgneis und -schiefer, Serizitschiefer und -phyllit, sowie Amphibolit- und Ultramafitlinsen der Tavetsch-Decke. Oft hornfelsartig und z.T. kataklastisch-kakiritisch.