Niveau à Keramosphaera allobrogensis

Representation and status

Color RGB

R: 245 G: 255 B: 245

Rank

biostratigraphic horizon

Validity

Unit is not in Use

Status

informal term

Nomenclature

Deutsch

Keramosphaera-allobrogensis-Niveau

Français

Niveau à Keramosphaera allobrogensis

Italiano

Livello a Keramosphaera allobrogensis

English

Keramosphaera allobrogensis Level

Origin of the Name

Nom dérivé du foraminifère benthique Keramosphaera allobrogensis

Historical Variants

Keramosphaera allobrogensis datum horizont = Bed with Keramosphaera = beds with Keramosphaera allobrogensis (Steinhauser et al. 1969), Niveau à Keramosphaera allobrogensis = horizon à Keramopshaera (Steinhauser 1970)

Description

Thickness

1-4 m (Steinhauser et al. 1969)

Age

Age at top

• Berriasian

Age at base

• Berriasian

Palaenography and tectonic

• Cretaceous of the Jura Mountains

Tectonic unit (resp. main category)

• Jura :
  Juragebirge

Kind of protolith

• sedimentary

Metamorphism

non metamorphic