Exter Formation
| Exter Formation Stratigraphic range: Rhaetian | |
|---|---|
| Type | Formation |
| Unit of | Keuper |
| Sub-units | Rinteln Subformation, Oeynhausen Subformation, Vahlbruch Subformation |
| Underlies | Black Jurassic |
| Overlies | Arnstadt formation, Trossingen Formation |
| Thickness | Typically between 100-150 m, locally 250 m in northern Germany, up to 45 m in southern Germany. |
| Lithology | |
| Primary | Claystone, Siltstone, Sandstone |
| Other | Coal |
| Location | |
| Region | Europe |
| Country |
 |
| 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 Triassic period.
See also
References
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 31 July 2014. Retrieved 8 July 2014.
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