See detailed information for ELR TTH
⚠️ Geology shown below is based on British Geological Survey (BGS) low-resolution data sampled at 100 metre intervals along the ELR. The geology relative to the mileages should not be treated as accurate or complete. Data marked with Ⓤ is classed as undifferentiated by the BGS.
| Mileage | Material | Deposit | Bedrock |
|---|---|---|---|
| 29M 1066y to 30M 0055y | Clay, Silt and Sand | Alluvium | Wealden Group - Sandstone and Siltstone, Interbedded |
| 30M 0055y to 30M 0275y | Clay, Silt and Sand | Alluvium | Wealden Group - Mudstone, Siltstone and Sandstone |
| 30M 0275y to 30M 0825y | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 30M 0825y to 31M 0715y | Wealden Group - Sandstone and Siltstone, Interbedded | ||
| 31M 0715y to 32M 0385y | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 32M 0385y to 32M 0715y | Wealden Group - Sandstone and Siltstone, Interbedded | ||
| 32M 0715y to 33M 0275y | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 33M 0275y to 38M 0385y | Wealden Group - Sandstone and Siltstone, Interbedded | ||
| 38M 0385y to 38M 0605y | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 38M 0605y to 39M 0935y | Wealden Group - Sandstone and Siltstone, Interbedded | ||
| 39M 0935y to 40M 1485y | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 40M 1485y to 42M 0385y | Wealden Group - Sandstone and Siltstone, Interbedded | ||
| 42M 0385y to 45M 1045y | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 45M 1045y to 47M 0825y | Wealden Group - Sandstone and Siltstone, Interbedded | ||
| 47M 0825y to 47M 0935y | Clay, Silt and Sand | Alluvium | Wealden Group - Sandstone and Siltstone, Interbedded |
| 47M 0935y to 48M 0055y | Wealden Group - Sandstone and Siltstone, Interbedded | ||
| 48M 0055y to 48M 0495y | Clay, Silt and Sand | Alluvium | Wealden Group - Sandstone and Siltstone, Interbedded |
| 48M 0495y to 49M 0165y | Wealden Group - Sandstone and Siltstone, Interbedded | ||
| 49M 0165y to 49M 1485y | Clay, Silt and Sand | Alluvium | Wealden Group - Sandstone and Siltstone, Interbedded |
| 49M 1485y to 51M 0055y | Wealden Group - Sandstone and Siltstone, Interbedded | ||
| 51M 0055y to 51M 1045y | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 51M 1045y to 56M 1155y | Wealden Group - Sandstone and Siltstone, Interbedded | ||
| 56M 1155y to 58M 1265y | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 58M 1265y to 59M 1155y | Wealden Group - Sandstone and Siltstone, Interbedded | ||
| 59M 1155y to 59M 1705y | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 59M 1705y to 60M 0275y | Wealden Group - Sandstone and Siltstone, Interbedded | ||
| 60M 0275y to 61M 0055y | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 61M 0055y to 62M 0055y | Wealden Group - Sandstone and Siltstone, Interbedded | ||
| 62M 0055y to 62M 0785y | Wealden Group - Mudstone, Siltstone and Sandstone |