| Claxby Ironstone | |
|---|---|
| Stratigraphic range: | |
| Type | Formation |
| Underlies | Tealby Formation |
| Overlies | Spilsby Sandstone |
| Thickness | Up to 8 m |
| Lithology | |
| Primary | Clay |
| Other | Silt, ironstone |
| Location | |
| Region | England |
| Country | United Kingdom |
| Extent | The Wash, southern Lincolnshire |
The Claxby Ironstone is a geologic formation in England. It preserves fossils dating back to the Cretaceous period.