«Margaritatusschichten»
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
- «Margaritatusschichten»
- Français
- «Couches à Margaritatus»
- Italiano
- «Strati a Margaritatus»
- English
- «Margaritatus Beds»
- Origin of the Name
-
Namengebendes Fossil: Ammonitenart Amaltheus margaritatus (de Montfort).
- Historical Variants
-
Margaritatusschichten (Oppel 1856-1858, Würtenberger 1867, Moesch 1867, Schalch 1880, Heim 1919, Lehner 1920, Müri 1959, Haldimann 2005), Marnes à Ammonites margaritatus (Rollier 1882), Margaritatusschichten (Tobler 1905 Tab.8, Disler 1941), Domérien inférieur = Marnes à Margaritatus (Caire 1970)
Description
- Description
-
Marne schisteuse noirâtre à nombreuses concrétions calcaires sphériques (miches, Tiso siphonalis).
Components
Fossil Content
- ammonites
- pectinids
Amaltheus margaritatus (Montf.), Pecten aequivalvis d'Orb.
Hierarchy and sequence
- Superordinate unit
Age
- Age at top
-
- late Pliensbachian (= Domerian)
- Note about top
-
margaritatus-Z.
- Age at base
-
- late Pliensbachian (= Domerian)
- Note about base
-
stokesi-Sz.
Geography
- Type area
- Süd-Deutschland
Palaenography and tectonic
-
- Liassic of the Jura Moutains
- Tectonic unit (resp. main category)
-
-
Jura
:
Juragebirge
-
Jura
:
- Kind of protolith
-
- sedimentary
- Metamorphism
- non metamorphic