«Oberer Öhrli-Kalk»
Back to Doldenhorn NappeRepresentation and status
- Index
- OÖK
- Color CMYK
- (32%,0%,15%,33%)
- Color RGB
- R: 115 G: 170 B: 145
- Rank
- lithostratigraphic Member (Subformation)
- Validity
- Unit is in Use
- Status
- incorrect name (though informally used)
Nomenclature
- Deutsch
- «Oberer Öhrli-Kalk»
- Français
- «Calcaire d'Öhrli supérieur»
- Italiano
- «Calcare dell'Öhrli superiore»
- English
- «Upper Öhrli Limestone»
- Origin of the Name
-
Öhrli (AI), Alpstein
- Historical Variants
-
Kalk des Unteren Valanginien in Urgonfazies = Oehrlikalk (Furrer 1938), Oberer Örhlikalk (Schindler 1959), Valanginiankalk (Spörli 1966), upper Oehrli Limestone (Föllmi et al. 2007)
Description
- Thickness
- Max. 100 m (Föllmi et al. 2007)
Components
Fossil Content
- sponges
- corals
- bryozoans
kleine Biohermen
Age
- Age at top
-
- Valanginian
- Age at base
-
- Late Berriasian
Geography
- Type area
- Alpstein (AI/AR/SG)
Palaenography and tectonic
-
- Neocomian
- Cretaceous of the Helvetics
- Paleogeography
-
North Tethyan Shelf
:
marge continentale européenne - Tectonic unit (resp. main category)
- Kind of protolith
-
- sedimentary
References
- Definition
-
2007) :
Unlocking paleo- environmental information from Early Cretaceous shelf sediments in the Helvetic Alps: stratigraphy is the key! Swiss J. Geosci. 100, 349-369
p.5: The upper Oehrli Limestone reaches a maximal thickness of approximately 100 m and is comparable in facies to the lower Oehrli Limestone, with as main difference the increased abundance of oolitic grainstone and the presence of small bioherms composed of corals, stromatoporoids and bryozoans.
(