Couches de Vauglène

Representation and status

Color RGB

R: 235 G: 140 B: 140

Rank

lithostratigraphic Bed

Validity

Unit is in Use

Status

informal term

Nomenclature

Deutsch

Vauglène-Schichten

Français

Couches de Vauglène

Italiano

Strati de Vauglène

English

Vauglène Beds

Origin of the Name

Ferme de Vauglène (FR-01), 2,5 km au SSW de Bellegarde-sur-Valserine

Historical Variants

Marne jaune à Orbitolines, grains oolithiques ferrugineux et nombreux fossiles (Rollier 1917)

Description

Thickness

2,5 m dans la région de la Perte-du-Rhône, env. 2 m à La Presta.

Components

• ammonites
• belemnites
• echinoids
• bivalves
• orbitolinids

Parahoplites campichei, Belemnopsis fusiformis, Plicatula radiola, Heteraster couloni, H. oblongus, Orbitolina lenticularis

Hierarchy and sequence

Superordinate unit

• Membre de la Fulie

Units at roof

• Marnes du Mortier

Units at floor

• Banc du Poet

Age

Age at top

• Aptian

Note about top

Zone à D. furcata

Age at base

• Early Aptian

Note about base

Zone à D. forbesi et D. deshayesi

Dating Method

Par encadrement.

Geography

Type area

Jura méridional

Palaenography and tectonic

• Cretaceous of the Jura Mountains

Tectonic unit (resp. main category)

• Jura :
  Juragebirge

Kind of protolith

• sedimentary

Metamorphism

non metamorphic

References

Definition

Pictet Antoine, Delamette Michel, Matrion Bertrand (2016) : The Perte-du-Rhône Formation, a new Cretaceous (Aptian-Cenomanian) lithostratigraphic unit in the Jura mountains (France and Switzerland). Swiss J. Geosc. 109/2, 221-240