| Stanford Formation | |
|---|---|
| Stratigraphic range: | |
| Type | Formation |
| Unit of | Corallian Group |
| Underlies | Ampthill Clay Formation |
| Overlies | Kingston Formation, West Walton Formation |
| Thickness | 0 to 26 m around Oxford, up to about 15 m in the Calne-Swindon area |
| Lithology | |
| Primary | Limestone |
| Other | Marl, Mudstone |
| Location | |
| Region | England |
| Country | United Kingdom |
| Extent | Wiltshire, Oxfordshire, Buckinghamshire |
| Type section | |
| Named for | Stanford in the Vale |
The Stanford Formation is a geologic formation in England. It preserves fossils dating back to the Oxfordian stage of the Middle Jurassic period, around 160 million years ago.