Geology for ELR NBS1 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 |
|---|---|---|---|
| 2M 1049y to 2M 1485y | Sand and Gravel | River Terrace Deposits Ⓤ | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 2M 1485y to 3M 0715y | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 3M 0715y to 3M 0935y | Sand and Gravel | River Terrace Deposits Ⓤ | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 3M 0935y to 3M 1485y | Clay, Silt and Sand | Alluvium | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 3M 1485y to 3M 1595y | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 3M 1595y to 4M 0345y | Clay, Silt and Sand | Alluvium | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 4M 0345y to 4M 0360y | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |