| Ampthill Clay | |
|---|---|
| Stratigraphic range: Oxfordian | |
| Type | Geological formation |
| Unit of | Ancholme Group |
| Underlies | Kimmeridge Clay |
| Overlies | West Walton Formation or Corallian Group |
| Thickness | 0-90 m |
| Lithology | |
| Primary | Mudstone |
| Other | Limestone, Marl |
| Location | |
| Region | England |
| Country | United Kingdom |
The Ampthill Clay is a Mesozoic geological formation in southern England. Dinosaur remains diagnostic to the genus level are among the fossils that have been recovered from the formation. [1]
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