Dogger à Zoophycos

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Representation and status

Color CMYK
N/A
Color RGB
R: 236 G: 234 B: 232
Rank
petrographic facies
Validity
Unit is not in Use
Status
informal term

Nomenclature

Deutsch
Zoophycos-Dogger
Français
Dogger à Zoophycos
English
Zoophycos Dogger
Origin of the Name

Nach dem häufigen Spurenfossil Zoophycos sp. = Cancellophycus scoparius (Fressbauten eines wurmähnlichen Tieres).

Historical Variants
Dogger à Zoophycos (Schardt 1899), Dogger normal d'eau profonde à Zoophycos (de Girard 1901), Domaine à Cancellophycus (Septfontaine 1983)

Description

Description
calcaires à spicules et/ou à filaments
Thickness
200-300 m (Oppenheimer 1908)

Components

Fossil Content
  • ammonites
  • trace fossils
  • bivalves
Lytoceras tripartitum, Cancellophycus scoparius, Posidonomya alpina

Age

Age at top
  • early Oxfordian
Age at base
  • Sinemurian

Palaenography and tectonic

  • Dogger
Paleogeography
Subbriançonnais Domain
Tectonic unit (resp. main category)
Kind of protolith
  • sedimentary
Conditions of formation
"Dogger à Zoophycos"

References

Definition
Septfontaine Michel (1983) : Le Dogger des Préalpes médianes suisses et françaises. Mémoires de la Société Helvétique des Sciences Naturelles
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