Couches supérieures à Crenularis
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
- incorrect term (disused)
Nomenclature
- Deutsch
- Obere Crenularis-Schichten
- Français
- Couches supérieures à Crenularis
- English
- Upper Crenularis Beds
- Origin of the Name
- Hemicidaris crenularis Agassiz
- Historical Variants
- Séquanien inférieur = Crenularis-Schichten d'Argovie (Rollier 1910), Séquanien inférieur = couches du Châtelu = Couches à Hemicidaris crenularis (Muhlethaler 1932), couches supérieures à Hemicidaris crenularis = Glypticien supérieur (Caire 1970)
Components
Fossil Content
- echinoids
Age
- Age at top
-
- Oxfordian
- Age at base
-
- Oxfordian
Geography
- Geographical extent
- Aargauer Jura
Palaenography and tectonic
- Tectonic unit (resp. main category)
-
-
Jura
:
Juragebirge
-
Jura
:
- Kind of protolith
-
- sedimentary
- Conditions of formation
- "argovien" / "séquanien"
- Metamorphism
- non metamorphic