| Woolwich Formation | |
| Type: | Formation |
| Age: | Paleogene |
| Period: | Paleogene |
| Prilithology: | claystone, sandstone |
| Otherlithology: | lignite |
| Namedfor: | Gilbert's Pit, Charlton |
| Region: | England |
| Country: | United Kingdom |
| Unitof: | Lambeth Group |
| Underlies: | Harwich Formation of the Thames Group |
| Overlies: | Upnor Formation |
| Thickness: | max 14.5 m |
| Extent: | London and northern Kent |
The Woolwich Formation is a geological formation in southeast England.[1] It preserves fossils dating back to the Paleogene period.