Geology for ELR VOT 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 |
|---|---|---|---|
| 18M 0319y to 18M 1265y | Llanvirn Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 18M 1265y to 19M 0605y | Ashgill Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 19M 0605y to 19M 1155y | Clay, Silt and Sand | Alluvium | Ashgill Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 19M 1155y to 22M 1375y | Ashgill Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 22M 1375y to 25M 0605y | Clay, Silt and Sand | Alluvium | Ashgill Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 25M 0605y to 28M 1705y | Ashgill Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 28M 1705y to 29M 0990y | Clay, Silt and Sand | Alluvium | Ashgill Rocks Ⓤ - Mudstone, Siltstone and Sandstone |