| Osgodby Formation | |
| Type: | Formation |
| Period: | Callovian |
| Prilithology: | Sandstone |
| Otherlithology: | Siltstone, Limestone |
| Namedfor: | Osgodby-by-the-Sea |
| Region: | England |
| Country: | United Kingdom |
| Subunits: | Redcliff Rock Member, Langdale Member, Hackness Rock Member |
| Underlies: | Oxford Clay Formation |
| Overlies: | Cayton Clay Formation (Where the Cornbrash Formation is present), Scalby Formation |
| Thickness: | Up to 28.5 m on the North Yorkshire Coast, thins to c. 20 m in the Hambleton Hills |
| Extent: | Cleveland Basin |
The Osgodby Formation is a geologic formation in England. It comprises rocks and fossils dating from the Callovian age of the Jurassic period.[1]