«Concava-Schichten»

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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
«Concava-Schichten»
Français
«Couches à Concavus»
English
«Concava Beds»
Origin of the Name

Namengebendes Fossil (Ammonitenart): Lioceras concavum Sowerby

Historical Variants

Concavusschichten (Tobler 1905 Tab.7a-b, Disler 1941), Concava-Bank (Dietze et al. 2022)

Hierarchy and sequence

Units at floor

Age

Age at top
  • late Aalenian
Age at base
  • late Aalenian

Palaenography and tectonic

  • Dogger of the Jura Mountains
Tectonic unit (resp. main category)
Kind of protolith
  • sedimentary
Metamorphism
non metamorphic
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