Geology for ELR SAA 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 -081y to 0M 1375y | Sand and Gravel | Raised Marine Deposits Ⓤ | Unnamed Igneous Intrusion, Carboniferous to Permian - Dolerite and Tholeiitic Basalt |
| 0M 1375y to 1M 0055y | Sand and Gravel | Raised Marine Deposits Ⓤ | Clackmannan Group - Sedimentary Rock Cycles, Clackmannan Group Type |
| 1M 0055y to 1M 0495y | Sand and Gravel | Raised Marine Deposits Ⓤ | Stratheden Group - Sandstone and Conglomerate, Interbedded |
| 1M 0495y to 1M 1485y | Sand and Gravel | Raised Marine Deposits Ⓤ | Clackmannan Group - Sedimentary Rock Cycles, Clackmannan Group Type |
| 1M 1485y to 1M 1595y | Sand and Gravel | Raised Marine Deposits Ⓤ | Unnamed Igneous Intrusion, Carboniferous to Permian - Dolerite and Tholeiitic Basalt |
| 1M 1595y to 6M 0605y | Sand and Gravel | Raised Marine Deposits Ⓤ | Clackmannan Group - Sedimentary Rock Cycles, Clackmannan Group Type |
| 6M 0605y to 8M 0383y | Sand and Gravel | Raised Marine Deposits Ⓤ | Scottish Coal Measures Group - Mudstone, Siltstone, Sandstone, Coal, Ironstone and Ferricrete |