King John's Castle
King John's Castle
Site Details
- Location
- King John's Castle
- Grid reference
- 52.6701782, -8.6255286
- Fossil Name
- Olivellites
- Fossil Type
- Trace fossil (burrow)
- Fossil Age
- Carboniferous
- Rock Type
- Sandstone
- Access Info
- Paving stones of the footpath around the castle
- Fossil Info
- Dark grey sandstone with prominent pattern of curved lines - these are ancient burrows called Olivellites