Marnes (grasses) à Trochus
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
- Trochus-Mergel
- Français
- Marnes (grasses) à Trochus
- Historical Variants
- Marnes à Trochus = Marnes de Pinperdu = Toarcien supérieur et moyen (Caire 1970)
Hierarchy and sequence
- Superordinate unit
Age
- Age at top
-
- late Toarcian
- Note about top
- Levesquei-Z., Aalensis-Sz.
- Age at base
-
- late Toarcian
- Note about base
- thouarsense-Z., thouarsense-Sz.
Palaenography and tectonic
- Tectonic unit (resp. main category)
-
-
Jura
:
Juragebirge
-
Jura
:
- Kind of protolith
-
- sedimentary
- Metamorphism
- non metamorphic