Brachiopodenkalk-Member
Back to Ducan-FormationRepresentation 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.
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
- Grat
- (2782150 / 1170950)
- Furrer et al. 1985 (als Typuprofil deklariert)
-
Piz Gulota (GR)
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
- (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.