Geology for ELR RCB 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 -219y to 0M 0935y | Clay, Silt and Sand | Alluvium | Scottish Coal Measures Group - Mudstone, Siltstone, Sandstone, Coal, Ironstone and Ferricrete |
| 0M 0935y to 1M 1265y | Sand and Gravel | Raised Marine Deposits Ⓤ | Scottish Coal Measures Group - Mudstone, Siltstone, Sandstone, Coal, Ironstone and Ferricrete |
| 1M 1265y to 2M 0935y | Sand and Gravel | Glacial Sand and Gravel | Scottish Coal Measures Group - Mudstone, Siltstone, Sandstone, Coal, Ironstone and Ferricrete |
| 2M 0935y to 4M 1705y | Diamicton | Till | Scottish Coal Measures Group - Mudstone, Siltstone, Sandstone, Coal, Ironstone and Ferricrete |
| 4M 1705y to 5M 1485y | Sand and Gravel | Glacial Sand and Gravel | Scottish Coal Measures Group - Mudstone, Siltstone, Sandstone, Coal, Ironstone and Ferricrete |
| 5M 1485y to 7M 0080y | Diamicton | Till | Scottish Coal Measures Group - Mudstone, Siltstone, Sandstone, Coal, Ironstone and Ferricrete |