Geology for ELR ZZA5 is based on British Geological Survey (BGS) low-resolution data sampled at 100 metre intervals along the ELR. The geology presented should not be treated as accurate or complete. Data marked with Ⓤ is classed as undifferentiated by the BGS.
| Mileage | Material | Deposit | Bedrock |
|---|---|---|---|
| 0M -056y to 0M 0275y | Sand and Gravel | Raised Marine Deposits Ⓤ | Unnamed Extrusive Rocks, Silesian - Mafic Lava and Mafic Tuff |
| 0M 0275y to 0M 0715y | Sand and Gravel | Raised Marine Deposits Ⓤ | Scottish Coal Measures Group - Mudstone, Siltstone, Sandstone, Coal, Ironstone and Ferricrete |
| 0M 0715y to 0M 0975y | Sand and Gravel | Raised Marine Deposits Ⓤ | Unnamed Extrusive Rocks, Silesian - Mafic Lava and Mafic Tuff |