Geology for ELR HXS3 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 |
|---|---|---|---|
| 1M 0891y to 1M 1485y | Sand | Blown Sand | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 1M 1485y to 2M 0165y | Diamicton | Till | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 2M 0165y to 6M 0935y | Sand | Blown Sand | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 6M 0935y to 9M 1155y | Sand | Blown Sand | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 9M 1155y to 10M 0715y | Clay, Silt and Sand | Alluvium | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 10M 0715y to 17M 1595y | Sand | Blown Sand | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 17M 1595y to 18M 0275y | Clay, Silt and Sand | Alluvium | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 18M 0275y to 18M 0911y | Sand | Blown Sand | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |