See detailed information for ELR BML3
⚠️ 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 |
|---|---|---|---|
| 162M 0306y to 163M 1265y | White Chalk Subgroup - Chalk | ||
| 163M 1265y to 163M 1705y | Sand and Gravel | River Terrace Deposits Ⓤ | White Chalk Subgroup - Chalk |
| 163M 1705y to 165M 0165y | White Chalk Subgroup - Chalk | ||
| 165M 0165y to 165M 0825y | Portland Group - Limestone and Calcareous Sandstone | ||
| 165M 0825y to 166M 0275y | West Walton Formation, Ampthill Clay Formation and Kimmeridge Clay Formation Ⓤ - Mudstone | ||
| 166M 0275y to 166M 1045y | Corallian Group - Limestone, Sandstone, Siltstone and Mudstone | ||
| 166M 1045y to 167M 0055y | Kellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 167M 0055y to 167M 1485y | Sand and Gravel | Sand and Gravel of Uncertain Age and Origin | Kellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone |
| 167M 1485y to 168M 1362y | Kellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 168M 1362y to 168M 1404y | Clay, Silt and Sand | Alluvium | Kellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone |