Geology for ELR WDB3 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 0165y to 1M 0055y | Clay, Silt and Sand | Alluvium | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 1M 0055y to 1M 0275y | Clay, Silt and Sand | Alluvium | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 1M 0275y to 1M 1595y | Diamicton | Till | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 1M 1595y to 4M 1045y | Diamicton | Till | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 4M 1045y to 4M 1155y | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded | ||
| 4M 1155y to 5M 1705y | Diamicton | Till | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 5M 1705y to 6M 0495y | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded | ||
| 6M 0495y to 9M 1595y | Diamicton | Till | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 9M 1595y to 10M 0715y | Diamicton | Till | Permian Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 10M 0715y to 10M 0935y | Diamicton | Till | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 10M 0935y to 11M 0385y | Clay, Silt and Sand | Alluvium | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 11M 0385y to 12M 1485y | Clay, Silt and Sand | Alluvium | Permian Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 12M 1485y to 14M 0165y | Clay, Silt and Sand | Alluvium | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 14M 0165y to 14M 0477y | Clay, Silt and Sand | Alluvium | Millstone Grit Group - Mudstone, Siltstone and Sandstone |
| 14M 0477y to 14M 0514y | Clay, Silt and Sand | Alluvium |