«Untere Perforatus-Schicht»

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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)
Status discussion

Nomenclature

Deutsch
«Untere Perforatus-Schicht»
Français
«Couche inférieure à Nummulutes perforatus»
Italiano
«Strati inferiore di Nummulites perforatus»
English
«Lower Perforatus Bed»
Origin of the Name

Foraminiferenart Nummulites perforatus Montfort 1808

Historical Variants

Grünsandkalk mit N. perforata (Alb. Heim), Untere Perforatusschicht (Schuhmacher 1948), Untere Perforatus-Schicht (Bieri 1978, Menkveld-Gfeller 1993, 1995)

Description

Description

Schlecht gebankter Quarzsandstein mit Einlagerungen von mikritischen, nummulitenreichen Lagen.

Thickness
3-5 m

Components

Fossil Content
  • nummulites

Hierarchy and sequence

Superordinate unit

Age

Age at top
  • middle Eocene
Age at base
  • middle Eocene
Dating Method

Nummuliten des obersetn Mitteleozäns = Biarritzien (Steffen 1981)

Palaenography and tectonic

  • Tertiary
Tectonic unit (resp. main category)
Kind of protolith
  • sedimentary
Metamorphism
non metamorphic
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