Calcaires Inférieurs
Back to Brèche nappeRepresentation and status
- Index
- lCi, Lc
- Color CMYK
- 24/36/0/0
- Color RGB
- R: 185 G: 160 B: 205
- Rank
- lithostratigraphic Member (Subformation)
- Validity
- Unit is in Use
- Status
- informal term
Nomenclature
- Deutsch
- Untere Kalke
- Français
- Calcaires Inférieurs
- Italiano
- Calcare Inferiore
- English
- Lower Limestones
- Historical Variants
- Calcaires inférieurs (Jaccard 1904, Plancherel 1998), Untere Kalke (Arbenz 1947)
Description
- Description
- Calcaires siliceux bruns à silex noirs avec interbancs schisteux.
- Thickness
- 35-40 m (Rutsch et al. 1966), 50 m (Badoux 1960).
Components
Fossil Content
- echinoderms
- crinoids
- belemnites
Hierarchy and sequence
- Units at roof
Age
- Age at top
-
- Sinemurian
- Age at base
-
- Sinemurian
- Dating Method
-
Pentacrinus tuberculatus Miller [Arbenz 1947], "Lias inférieur"
Geography
- Geographical extent
- Pas de Morgins (Chessex 1959), vallon de Charmy (Morel 1971, Rham 1962).
- Type area
- Hornfluhgebiet (BE)
Palaenography and tectonic
- Paleogeography
- Piemont Basin
- Tectonic unit (resp. main category)
- Kind of protolith
-
- sedimentary
References
- Definition
- 1904) : La région de la Brèche de la Hornfluh (Préalpes bernoises). Bull. Lab. Géol. etc. (Univ. Lausanne) 5, 205 pages (