«Silvana-Schichten»
Representation and status
- Color CMYK
- N/A
- Color RGB
- R: 125 G: 125 B: 125
- Rank
- lithostratigraphic unit
- Validity
- Unit is not in Use
- Status
- obsolete term (disused)
Nomenclature
- Deutsch
- «Silvana-Schichten»
- Français
- «Couches à Silvana»
- Italiano
- «Strati a Silvana»
- English
- «Silvana Beds»
- Origin of the Name
-
Namengebendes Fossil: Gastropodenart Cepaea silvana (Klein 1853).
- Historical Variants
-
Silvanaschichten (Fröhlicher 1933, Disler 1941), Silvana-Schichten (Bolten & Müller 1969, Reichenbacher et al. 1998), Silvana Beds
- Nomenclatorial Remarks
-
Sylvanakalke (Rollier 1911)?, Marnes rouges thurgoviennes = Marnes rouges du Pfänder (Rollier 1911)?
Description
- Thickness
- Über 2000-2500 m in Vorarlberg
Components
Fossil Content
- helicids
Age
- Age at top
-
- Serravallian
- Age at base
-
- Burdigalian
- Dating Method
-
Tortonien / Badenian
Geography
- Geographical extent
- Pfänder (Vorarlberg).
- Type area
- Schwäbischer Jura (Süddeutschland)
Palaenography and tectonic
-
- Upper Freshwater Molasse
- Tectonic unit (resp. main category)
- Kind of protolith
-
- sedimentary
- Metamorphism
- non metamorphic