Charmouth Mudstone Formation
| Charmouth Mudstone Formation | |
|---|---|
| Stratigraphic range: | |
 Cliffs of the Charmouth Mudstone Formation at Charmouth, Dorset. | |
| Type | Formation |
| Unit of | Lias Group |
| Sub-units | Shales With Beef Member, Black Ven Marl Member, Belemnite Marl Member, Green Ammonite Member |
| Underlies | Dyrham Formation, Marlstone Rock Formation |
| Overlies | Blue Lias Formation |
| Area | Wessex Basin, Worcester Basin, East Midland Shelf |
| Thickness | ~335 m |
| Lithology | |
| Primary | shale, mudstone |
| Other | limestone, sand |
| Location | |
| Region | England |
| Country | United Kingdom |
| Type section | |
| Named for | Charmouth |
The Charmouth Mudstone Formation is a geological formation in England. It preserves fossils dating back to the early part of the Jurassic period (Sinemurian–Pliensbachian).[1] It is famous for its ammonite fossils that come out of the cliffs near Lyme Regis and Charmouth. It is also notable for dinosaur remains including those of the dinosaur Scelidosaurus and indeterminate theropods.
References
- ^ British Geological Survey. "Charmouth Mudstone Formation". BGS Lexicon of Named Rock Units. Retrieved 2018-03-08.
- 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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See also
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