Geology for ELR LBC is based on British Geological Survey (BGS) low-resolution data sampled at 100 metre intervals along the ELR. The geology presented should not be treated as accurate or complete. Data marked with Ⓤ is classed as undifferentiated by the BGS.
| Mileage | Material | Deposit | Bedrock |
|---|---|---|---|
| 0M -233y to 0M 1705y | Clay, Silt and Sand | Alluvium | Thames Group - Clay, Silt, Sand and Gravel |
| 0M 1705y to 1M 0605y | Clay, Silt and Sand | Alluvium | Lambeth Group - Clay, Silt, Sand and Gravel |
| 1M 0605y to 1M 1155y | Clay, Silt and Sand | Alluvium | Thanet Sand Formation - Sand, Silt and Clay |
| 1M 1155y to 2M 0492y | Clay, Silt and Sand | Alluvium | White Chalk Subgroup - Chalk |
| 2M 0492y to 2M 0544y | Clay, Silt and Sand | Alluvium | Thanet Sand Formation - Sand, Silt and Clay |