«Herznach-Eisenoolith»

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Representation and status

Rank
lithostratigraphic Bed
Validity
Unit is not in Use
Status
informal term

Nomenclature

Deutsch
«Herznach-Eisenoolith»
Français
«Oolite ferrugineuse d'Herznach»
Italiano
«Oolite di ferro di Herznach»
English
«Herznach Iron Oolite»
Origin of the Name

Stillgelegtes Bergwerk östlich von Herznach (AG), Tafeljura

Historical Variants

Herznacher Flöz, Unteres Erzlager, untere Erzbank

Description

Description

weinrote, eisenoolithische Mergelkalke und Mergel

Thickness
105-110 cm

Components

Fossil Content
  • ammonites
  • belemnites

Hierarchy and sequence

Superordinate unit
Units at roof
Units at floor

Age

Age at top
  • Callovian
Age at base
  • Callovian

Palaenography and tectonic

  • Dogger of the Jura Mountains
Tectonic unit (resp. main category)
Kind of protolith
  • sedimentary
Metamorphism
non metamorphic
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