Formazione dei Vanis
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- Farbe CMYK
- (57%,0%,7%,41%)
- Farbe RGB
- R: 65 G: 150 B: 140
- Rang
- lithostratigraphische Formation
- Gebrauch
- Element ist in Gebrauch
- Status
- informeller Begriff
Nomenklatur
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- Vanis-Formation
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- Formation des Vanis
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- Formazione dei Vanis
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- Vanis Formation
- Herkunft des Namens
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Graben unterhalb Piano dei Vanis (TI) E Campo
- Historische Varianten
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"Marbre rubané" (Matasci 2009), Vanis banded formation (Matasci et al. 2011 p.262)
Beschreibung
- Beschreibung
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calcaires et calcschistes rubannés
- Geomorphologie
- Série souvent replissée du fait du contraste rhéologique entre les niveaux calcaires et argileux.
- Mächtigkeit
- 10-15 m (Matasci et al. 2011).
Hierarchie und Abfolge
- Hangendes
- Liegendes
Alter
- Alter Top
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- Berriasien
- Alter Basis
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- Berriasien
Geografie
- Geographische Verbreitung
- Lepontin: Val d'Antabia, Alpe Sevinèra, Pizzo Castello.
Referenzen
- Erstdefinition
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(2011) :
The Teggiolo zone: a key to the Helvetic–Penninic connection (stratigraphy and tectonics in the Val Bavona, Ticino, Central Alps). Swiss J. Geosci. 104, 257–283
p.262: 3.3.5 The Vanis banded formation
A very characteristic, 10–15 m thick, banded formation overlies the white marble with a sharp contact. It consists in an alternation of centimeter- to decimeter-thick beds of light-colored, often slightly orange, impure marble, with dark calcschists of variable thickness. The well marked layering of these two rocks with contrasted rheological properties is favorable to folding (Fig. 11). This banded marble/calcschist association occurs very continuously above the Sevinèra marble, as well in the Val Antabia as near Campo or farther E through the Alpe di Sevinèra up to the foot of the Pizzo Castello. As it is well exposed in the northern cliff of the Vanis ravine above Campo (e.g. 683.650/142.050) we name it the Vanis Formation.