See detailed information for ELR VTB3
⚠️ 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 |
|---|---|---|---|
| 21M 0288y to 21M 1045y | Lower Greensand Group - Sandstone and Mudstone | ||
| 21M 1045y to 25M 0825y | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 25M 0825y to 26M 0715y | Sand and Gravel | River Terrace Deposits Ⓤ | Wealden Group - Mudstone, Siltstone and Sandstone |
| 26M 0715y to 27M 0055y | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 27M 0055y to 27M 1155y | Sand and Gravel | River Terrace Deposits Ⓤ | Wealden Group - Mudstone, Siltstone and Sandstone |
| 27M 1155y to 28M 0605y | Sand and Gravel | River Terrace Deposits Ⓤ | Wealden Group - Sandstone and Siltstone, Interbedded |
| 28M 0605y to 29M 0935y | Wealden Group - Sandstone and Siltstone, Interbedded | ||
| 29M 0935y to 29M 1155y | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 29M 1155y to 30M 0165y | Wealden Group - Sandstone and Siltstone, Interbedded | ||
| 30M 0165y to 30M 0715y | Sand and Gravel | River Terrace Deposits Ⓤ | Wealden Group - Sandstone and Siltstone, Interbedded |
| 30M 0715y to 30M 1705y | Wealden Group - Sandstone and Siltstone, Interbedded | ||
| 30M 1705y to 32M 0165y | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 32M 0165y to 34M 0495y | Wealden Group - Sandstone and Siltstone, Interbedded | ||
| 34M 0495y to 34M 1155y | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 34M 1155y to 34M 1485y | Wealden Group - Sandstone and Siltstone, Interbedded | ||
| 34M 1485y to 34M 1595y | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 34M 1595y to 35M 1705y | Wealden Group - Sandstone and Siltstone, Interbedded | ||
| 35M 1705y to 36M 0715y | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 36M 0715y to 39M 1155y | Wealden Group - Sandstone and Siltstone, Interbedded | ||
| 39M 1155y to 42M 1595y | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 42M 1595y to 43M 1375y | Lower Greensand Group - Sandstone and Mudstone | ||
| 43M 1375y to 44M 0825y | Gault Formation and Upper Greensand Formation Ⓤ - Mudstone, Sandstone and Limestone | ||
| 44M 0825y to 44M 1375y | Grey Chalk Subgroup - Chalk | ||
| 44M 1375y to 45M 1155y | White Chalk Subgroup - Chalk | ||
| 45M 1155y to 45M 1705y | Grey Chalk Subgroup - Chalk | ||
| 45M 1705y to 50M 0825y | White Chalk Subgroup - Chalk | ||
| 50M 0825y to 50M 1180y | Sand and Gravel | Sand and Gravel of Uncertain Age and Origin | White Chalk Subgroup - Chalk |