Geology for ELR AMB 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 |
|---|---|---|---|
| 11M 1312y to 11M 1375y | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 11M 1375y to 12M 0825y | |||
| 12M 0825y to 12M 1595y | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 12M 1595y to 13M 0165y | Clay, Silt and Sand | Alluvium | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 13M 0165y to 13M 0385y | Clay, Silt and Sand | Alluvium | |
| 13M 0385y to 16M 0070y | Clay, Silt and Sand | Alluvium | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |