See detailed information for ELR BBJ
⚠️ 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 |
|---|---|---|---|
| 4M 1440y to 8M 0495y | Thames Group - Clay, Silt, Sand and Gravel | ||
| 8M 0495y to 8M 1045y | Sand and Gravel | Sand and Gravel of Uncertain Age and Origin | Thames Group - Clay, Silt, Sand and Gravel |
| 8M 1045y to 11M 1466y | Thames Group - Clay, Silt, Sand and Gravel |