Fuorcla-d’Alp-Formation
Back to «Graue Bündnerschiefer»Representation and status
- Color CMYK
- (0%,42%,50%,6%)
- Color RGB
- R: 240 G: 140 B: 120
- Rank
- lithostratigraphic Formation
- Validity
- Unit is in Use
- Status
- informal term
Nomenclature
- Deutsch
- Fuorcla-d’Alp-Formation
- Français
- Formation de la Fuorcla d'Alp
- Italiano
- Formazione della Fuorcla d'Alp
- English
- Fuorcla d'Alp Formation
- Origin of the Name
- Historical Variants
- Bündnerschiefer auct., Fuorcla-d’Alp-Formation = Fuorcla d'Alp Formation (Bertle 2004), Schwarzer Phyllit, Tonschiefer (Gruber et al. 2010)
Description
- Description
- phyllitised black shales
- Thickness
- Ca. 10 m (Bertle 2004)
Hierarchy and sequence
- Units at roof
Age
- Age at top
-
- Early Cretaceous
- Age at base
-
- Early Cretaceous
Geography
- Geographical extent
- Unterengadiner Fenster (Fuorcla d'Alp, Riefenjoch).
References
- Definition
-
2004) :
The Sedimentary Record of North Penninic Schistes lustrés of the Lower Engadine Window and its Correlation to the Tauern Window (Eastern Alps). Jahrbuch der Geologischen Bundesanstalt 144/2, 165-171
p.167: The “Gault Formation” is overlain by 10 m of phyllitised black shales (= Fuorcla d´Alp Formation, BERTLE [2004]) of assumed uppermost early Cretaceous age corresponding most probably to an Oceanic Anoxic Event (OAE 1c and 1d, JENKYNS [1980]).
(