Geology for ELR DSN1 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 0618y to 2M 0055y | Diamicton | Till | Zechstein Group - Dolomitised Limestone and Dolomite |
| 2M 0055y to 3M 0605y | Diamicton | Till | Permian Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 3M 0605y to 8M 1295y | Diamicton | Till | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |