Exter Formation
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| Exter Formation | |
|---|---|
| Stratigraphic range: Rhaetian ~ | |
| File:WAK UETTERODA SANDSTEIN.jpg Exter Formation at Krauthausen | |
| Type | Formation |
| Unit of | Keuper |
| Sub-units | Rinteln, Oeynhausen & Vahlbruch Subformations |
| Underlies | Black Jurassic |
| Overlies | Arnstadt & Trossingen Formations |
| Thickness | Typically between 100 and 150 m (330 and 490 ft) Locally 250 m (820 ft) in northern Germany Up to 45 m (148 ft) in southern Germany |
| Lithology | |
| Primary | Claystone, siltstone, sandstone |
| Other | Coal |
| Location | |
| Coordinates | Lua error in Module:Coordinates at line 489: attempt to index field 'wikibase' (a nil value). |
| Approximate paleocoordinates | Lua error: callParserFunction: function "#coordinates" was not found. |
| Region | Niedersachsen, Baden-Württemberg, Westphalia, Bavaria |
| Country | File:Flag of Germany.svg Germany |
| Extent | Widespread |
The Exter Formation is the only formation of the Upper Keuper or Rhätsandstein, and is a geologic formation in Germany. It preserves fossils dating back to the Rhaetian of the Triassic period (specifically around 205 Ma).[1][2]
Fossil content
[edit | edit source]The formation has provided fossils of:[1][2]
Mammals
[edit | edit source]Therapsids
[edit | edit source]Reptiles
[edit | edit source]Fish
[edit | edit source]Insects
[edit | edit source]Flora
[edit | edit source]See also
[edit | edit source]References
[edit | edit source]- ^ a b Exter Formation at Fossilworks.org
- ^ a b Rhätkeuper at Fossilworks.org
- ^ Wintrich et al., 2017
- ^ Fraas, 1897
- ^ Bapth et al., 2013
- ^ Van Konijnenburg-van Cittert et al., 2021
Bibliography
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