See detailed information for ELR XRS
⚠️ 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 |
|---|---|---|---|
| 7M 0422y to 8M 0825y | Sand and Gravel | River Terrace Deposits Ⓤ | Thames Group - Clay, Silt, Sand and Gravel |
| 8M 0825y to 9M 0385y | Sand and Gravel | River Terrace Deposits Ⓤ | Lambeth Group - Clay, Silt, Sand and Gravel |
| 9M 0385y to 9M 0715y | Clay, Silt and Sand | Alluvium | Lambeth Group - Clay, Silt, Sand and Gravel |
| 9M 0715y to 9M 1155y | Clay, Silt and Sand | Alluvium | Thames Group - Clay, Silt, Sand and Gravel |
| 9M 1155y to 9M 1375y | Clay, Silt and Sand | Alluvium | |
| 9M 1375y to 11M 0715y | Clay, Silt and Sand | Alluvium | Thames Group - Clay, Silt, Sand and Gravel |
| 11M 0715y to 11M 1045y | Clay, Silt and Sand | Alluvium | Lambeth Group - Clay, Silt, Sand and Gravel |
| 11M 1045y to 11M 1155y | Clay, Silt and Sand | Alluvium | |
| 11M 1155y to 11M 1595y | Clay, Silt and Sand | Alluvium | Lambeth Group - Clay, Silt, Sand and Gravel |
| 11M 1595y to 12M 0495y | Clay, Silt and Sand | Alluvium | Thanet Sand Formation - Sand, Silt and Clay |
| 12M 0495y to 12M 1595y | Clay, Silt and Sand | Alluvium | White Chalk Subgroup - Chalk |
| 12M 1595y to 13M 0055y | Clay, Silt and Sand | Alluvium | |
| 13M 0055y to 13M 0275y | |||
| 13M 0275y to 13M 0715y | Thanet Sand Formation - Sand, Silt and Clay | ||
| 13M 0715y to 15M 0825y | Clay, Silt and Sand | Alluvium | Thanet Sand Formation - Sand, Silt and Clay |
| 15M 0825y to 15M 0935y | Clay, Silt and Sand | Alluvium | White Chalk Subgroup - Chalk |
| 15M 0935y to 16M 0222y | Clay, Silt and Sand | Alluvium | Thanet Sand Formation - Sand, Silt and Clay |