| Dyrham Formation | |
|---|---|
| Stratigraphic range: Pliensbachian Preκ κ O S D C P T J K Pg N | |
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| Type | Formation |
| Unit of | Lias Group |
| Sub-units | Eype Clay Member, Down Cliff Sand Member, Thorncombe Sand Member |
| Underlies | Beacon Limestone Formation, Marlstone Rock Formation |
| Overlies | Charmouth Mudstone Formation |
| Area | Wessex Basin, Worcester Basin, East Midlands Shelf |
| Thickness | ~125 m |
| Lithology | |
| Primary | mudstone, silt, sand |
| Other | ferruginous limestone |
| Location | |
| Region | England |
| Country | United Kingdom |
| Type section | |
| Named for | Dyrham |
The Dyrham Formation is a geologic formation in England. It preserves fossils dating back to the early part of the Jurassic period (Pliensbachian).
See also
References
- British Geological Survey. "Dyrham Formation". BGS Lexicon of Named Rock Units. Retrieved 8 March 2018.
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
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