See detailed information for ELR ATH
⚠️ 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 |
|---|---|---|---|
| 56M 0307y to 56M 0715y | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 56M 0715y to 58M 0715y | Clay, Silt and Sand | Alluvium | Wealden Group - Mudstone, Siltstone and Sandstone |
| 58M 0715y to 58M 0825y | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 58M 0825y to 58M 1375y | Clay, Silt and Sand | Alluvium | Wealden Group - Mudstone, Siltstone and Sandstone |
| 58M 1375y to 60M 0825y | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 60M 0825y to 60M 1375y | Wealden Group - Sandstone and Siltstone, Interbedded | ||
| 60M 1375y to 61M 1265y | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 61M 1265y to 63M 0605y | Wealden Group - Sandstone and Siltstone, Interbedded | ||
| 63M 0605y to 63M 1045y | Peat | Peat | Wealden Group - Sandstone and Siltstone, Interbedded |
| 63M 1045y to 64M 0275y | Clay, Silt and Sand | Alluvium | Wealden Group - Sandstone and Siltstone, Interbedded |
| 64M 0275y to 65M 0055y | Peat | Peat | Wealden Group - Sandstone and Siltstone, Interbedded |
| 65M 0055y to 71M 0165y | Clay, Silt and Sand | Alluvium | Wealden Group - Sandstone and Siltstone, Interbedded |
| 71M 0165y to 71M 1265y | Wealden Group - Sandstone and Siltstone, Interbedded | ||
| 71M 1265y to 72M 0495y | Clay, Silt and Sand | Alluvium | Wealden Group - Sandstone and Siltstone, Interbedded |
| 72M 0495y to 73M 0275y | Wealden Group - Sandstone and Siltstone, Interbedded | ||
| 73M 0275y to 73M 0935y | Clay, Silt and Sand | Alluvium | Wealden Group - Sandstone and Siltstone, Interbedded |
| 73M 0935y to 75M 0385y | Wealden Group - Sandstone and Siltstone, Interbedded | ||
| 75M 0385y to 75M 0605y | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 75M 0605y to 75M 1375y | Clay, Silt and Sand | Alluvium | Wealden Group - Mudstone, Siltstone and Sandstone |
| 75M 1375y to 76M 1155y | Clay, Silt and Sand | Alluvium | Wealden Group - Sandstone and Siltstone, Interbedded |
| 76M 1155y to 77M 1375y | Clay, Silt and Sand | Alluvium | Wealden Group - Mudstone, Siltstone and Sandstone |
| 77M 1375y to 78M 0715y | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 78M 0715y to 78M 1045y | Wealden Group - Sandstone and Siltstone, Interbedded | ||
| 78M 1045y to 79M 0825y | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 79M 0825y to 80M 0165y | Wealden Group - Sandstone and Siltstone, Interbedded | ||
| 80M 0165y to 80M 1155y | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 80M 1155y to 80M 1375y | Wealden Group - Sandstone and Siltstone, Interbedded | ||
| 80M 1375y to 81M 0935y | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 81M 0935y to 81M 1705y | Wealden Group - Sandstone and Siltstone, Interbedded | ||
| 81M 1705y to 82M 1208y | Wealden Group - Mudstone, Siltstone and Sandstone |