See detailed information for ELR HGG1
⚠️ 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 0762y to 23M 1595y | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 23M 1595y to 23M 1705y | Wealden Group - Sandstone and Siltstone, Interbedded | ||
| 23M 1705y to 25M 1375y | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 25M 1375y to 29M 0165y | Wealden Group - Sandstone and Siltstone, Interbedded | ||
| 29M 0165y to 30M 0605y | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 30M 0605y to 30M 0884y | Wealden Group - Sandstone and Siltstone, Interbedded |