Gisliflue-Korallenkalk

Representation and status

Color CMYK
siehe Hauptrogenstein
Color RGB
R: 210 G: 190 B: 140
Rank
lithostratigraphic Bed
Validity
Unit is in Use
Status
informal term

Nomenclature

Deutsch
Gisliflue-Korallenkalk
Français
Calcaire récifal de la Gisliflue
Italiano
Barriera di Gisliflue
English
Gisliflue Reef
Origin of the Name

Gisliflue = Gislifluh (AG), bei Thalheim

Historical Variants

---- (Mühlberg 1908, Korallenriff Gisliflue-Homberg, (Wullschleger 1966), Riff der Gislifluh (Gonzalez 1993), Gislifluh Reef (Gonzalez & Wetzel 1996), Gisliflue-Korallenkalk (Jordan et al. 2011)

Description

Description

Koralligener Kalk zwischen der Passwang-Formation und dem Hauptrogenstein. An der Basis liegt eine Wechsellagerung von Mergeln mit bioklastischen Lagen vor, die hauptsächlich aus Echinodermen-, Brachiopoden- und Molluskenfragmenten bestehen. Diese wird von Korallenschutt und anderem bioklastischen Material überlagert.

Thickness
Über 40 m (Gonzalez & Wetzel 1996); 25 – 50 m (Jordan et al. 2011).

Hierarchy and sequence

Superordinate unit
Units at roof
Units at floor

Age

Age at top
  • late Bajocian
Note about top

Basale Garantiana-Zone

Age at base
  • middle Bajocian
Note about base

Humphriesianum-Zone

Dating Method

Gonzalez & Wetzel 1996

Geography

Geographical extent
Zwischen Gislifluh und Homberg.
Type locality

Palaenography and tectonic

  • Dogger
Paleogeography
Northern Tethyan Carbonate Platform :
Plateforme de Bourgogne, ... = Northern Tethyan Carbonate Platform (NTCP)
Tectonic unit (resp. main category)
Kind of protolith
  • sedimentary
Conditions of formation

Aussenriff, das die Lagune vom offenen Meer trennte (Jordan et al. 2011).

Metamorphism
non metamorphic

References

Definition
Gonzalez R., Wetzel A. (1996) : Stratigraphy and paleogeography of the Hauptrogenstein and Klingnau Formations (middle Bajocian to late Bathonian), northern Switzerland Eclogae geol. Helv. 89/2, 695-720

p.708: The Gislifluh Reef is an east-west striking columnar coral reef, a few hundred meters long, about 100-200 m wide and more than 40 m thick. At the base, marls alternate with coarse, bioclastic layers mainly consisting of echinoderm, brachiopod and mollusk fragments, overlain by coral rubble and other bioclastic material. The upper portion consists of several meter-thick layers of autochthonous corals, mostly head corals such as Isastrea and Thamnastrea. often one growing on top of the other. The cavities are filled with oolitic or bioclastic wacke- to packstones. Planar, erosional horizons and beds of allochthonous corals interrupt these layers at regular intervals.

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