Spongitien
Back to «Argovien» (du Jura)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
- Spongitien
- Français
- Spongitien
- English
- Spongitian
- Origin of the Name
- Présence de nombreux débris d'éponges.
- Historical Variants
- Spongitien (Etallon 1857, Jaccard 1869, de Tribolet 1873), Spongitien = Argovien inférieur (Favre 1906), Spongitenkalk der Aaraustufe = Unteres Argovien = Birmensdorfer-Schichten (Buxtorf 1916), Spongitenkalk (Buxtorf & Troesch 1917), Spongitien = Couches de Birmensdorf (Bourquin 1946)
Description
- Thickness
- 10-15 m (Bourquin 1946)
Components
Fossil Content
- sponges
Hierarchy and sequence
- Units at roof
Age
- Age at top
-
- Oxfordian
- Age at base
-
- Oxfordian
Palaenography and tectonic
-
- Malm
- Tectonic unit (resp. main category)
-
-
Jura
:
Juragebirge
-
Jura
:
- Kind of protolith
-
- sedimentary
- Metamorphism
- non metamorphic