«Couches Pholadomya exaltata»

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
«Pholadomyen-Schichten»
Français
«Couches Pholadomya exaltata»
English
«Pholadomya Beds»
Origin of the Name

Nom dérivé de bivalve fossile Pholadomya exaltata Agassiz

Historical Variants

argiles grumeleuses à Pholadomyes (Thurmann & Etallon 1861), couches à Pholadomya exaltata (Boyer 1885, Caire 1970), Pholadomyenmergel (Tobler 1896), Pholadomyenschichten (Tobler 1905 Tab.5a, Disler 1941), Oberes Oxford = Exaltataschichten (Baltzer 1906), marno-calcaires à Pholadomya exaltata (Gillet & Schneegans 1933), Oxfordien = Terrain à chailles = Pholadomyenmergel = Pholadomyen-Mergel (Kabelac 1955)

Components

Fossil Content
  • bivalves

Age

Age at top
  • Oxfordian
Age at base
  • Oxfordian

Palaenography and tectonic

  • Malm of the Jura Mountains
Tectonic unit (resp. main category)
Kind of protolith
  • sedimentary
Conditions of formation

"divésien"

Metamorphism
non metamorphic

References

Definition
Thurmann Jules, Etallon A. (1861) : Lethea Bruntrutana ou Etudes paléontologiques et stratigraphiques sur le Jura bernois et en particulier les environs de Porrentruy. Oeuvre posthume terminée et publiée par A. ETALLON. Nouv. Mém. Soc. Helv. Sc. nat. 18-20
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