Brachiopodenkalk-Member

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Representation and status

Index
t2R
Color CMYK
(45%,0%,9%,35%)
Color RGB
R: 90 G: 165 B: 150
Rank
lithostratigraphic Member (Subformation)
Validity
Unit is in Use
Status
incorrect name (though informally used)
Status discussion

Nomenclature

Deutsch
Brachiopodenkalk-Member
Français
Membre du Calcaire à Brachiopodes
Italiano
Membro del Calcare a Brachiopodi
English
Brachiopod Limestone Member
Origin of the Name

Reichtum an Brachiopoden

Historical Variants

Recoaro-Kalk auct., Knollenkalk, Brachiopodenkalken der Ducantrias (Eugster 1923 S.27), Rein kalkige, fossilreiche Ausbildung des Muschelkalkes = Brachiopodenkalk (Stöcklin 1949), Brachiopodenkalk Member (Furrer et al. 1985)

Description

Thickness
40−48 m (Furrer et al. 1985) ; 70-80 m (Leupold et al. 1935); 125-140 m (Eugster 1922).

Components

Fossil Content
  • crinoids
  • brachiopods

Terebratula (Coenothyris) vulgaris Schloth., Spirigera (Retzia) trigonella Schloth., Spiriferina (Mentzelia) mentzelii Dunk., Pentacrinus-Stielglieder.

Hierarchy and sequence

Superordinate unit
Units at roof

Age

Age at top
  • Late Anisian
Note about top

Illyrian

Age at base
  • Middle Anisian
Dating Method

Cephalopoden, Holothurie-Skleriten und Conodonten.

Geography

Geographical extent
Oberer Teil dolomitisiert im westlichen Mittelbünden.
Type area
Ducangebiet (GR)
Type profile
  • Piz Gulota (GR)
    Site particularities
    • Obergrenze
    • typische Fazies
    • Fossilfundstelle
    Site accessibility
    • Grat
    Coordinates
    • (2782150 / 1170950)
    Note
    • Furrer et al. 1985 (als Typuprofil deklariert)

Palaenography and tectonic

  • Triassic of the Austroalpine
Tectonic unit (resp. main category)
Kind of protolith
  • sedimentary
Conditions of formation

Open "normal marine" environment.

References

Definition
Furrer Heinz (Ed.) (1985) : Field workshop on Triassic and Jurassic sediments in the Eastern Alps of Switzerland. Mitt. geol. Inst. ETH und Univ. Zürich (N.F.) 248, 81 S.
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