Marnes de Belfort
Representation and status
- Rank
- lithostratigraphic unit
- Validity
- Unit is not in Use
- Status
- local name (informal)
Nomenclature
- Deutsch
- Belfort-Mergel
- Français
- Marnes de Belfort
- Italiano
- Marna di Belfort
- English
- Belfort Marl
- Origin of the Name
-
Belfort (France)
- Historical Variants
-
Marnes à Rhynchonelles de Belfort = Marnes à Rhynchonella alemanica de Belfort (BRGM Lure, BRGM-Doubs), Varians-Schichten, calcaires roux sableux
Description
- Geomorphology
- Niveau souligné dans la morphologie par une dépression entre le Bathonien calcaire et la Dalle nacrée.
- Thickness
- 1-20 m
Components
Fossil Content
- brachiopods
- ostreids
Rhynchonelloidella alemanica, Acantothiris spinosa, Terebratula (Arcethyris) diptycha, Ostrea knorri, Procerites, Pholadomya
Hierarchy and sequence
- Units at roof
- Units at floor
Age
- Age at top
-
- late Bathonian
- Age at base
-
- middle Bathonian
Palaenography and tectonic
-
- Dogger of the Jura Mountains
- Kind of protolith
-
- sedimentary
- Metamorphism
- non metamorphic