Geology for ELR HMN1 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 -084y to 0M 1265y | Diamicton | Till | Scottish Coal Measures Group - Mudstone, Siltstone, Sandstone, Coal, Ironstone and Ferricrete |
| 0M 1265y to 1M 0055y | Peat | Peat | Scottish Coal Measures Group - Mudstone, Siltstone, Sandstone, Coal, Ironstone and Ferricrete |
| 1M 0055y to 1M 0275y | Diamicton | Till | Scottish Coal Measures Group - Mudstone, Siltstone, Sandstone, Coal, Ironstone and Ferricrete |
| 1M 0275y to 1M 0935y | Clay, Silt and Sand | Alluvium | Scottish Coal Measures Group - Mudstone, Siltstone, Sandstone, Coal, Ironstone and Ferricrete |
| 1M 0935y to 1M 1123y | Sand and Gravel | Glacial Sand and Gravel | Scottish Coal Measures Group - Mudstone, Siltstone, Sandstone, Coal, Ironstone and Ferricrete |