See detailed information for ELR CWJ
⚠️ 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 |
|---|---|---|---|
| 1M 0341y to 6M 1045y | Thames Group - Clay, Silt, Sand and Gravel | ||
| 6M 1045y to 7M 0055y | Sand and Gravel | River Terrace Deposits Ⓤ | Thames Group - Clay, Silt, Sand and Gravel |
| 7M 0055y to 13M 0825y | Thames Group - Clay, Silt, Sand and Gravel | ||
| 13M 0825y to 13M 1155y | Lambeth Group - Clay, Silt, Sand and Gravel | ||
| 13M 1155y to 14M 0275y | Thames Group - Clay, Silt, Sand and Gravel | ||
| 14M 0275y to 15M 1595y | Lambeth Group - Clay, Silt, Sand and Gravel | ||
| 15M 1595y to 16M 0275y | Sand and Gravel | Glacial Sand and Gravel | White Chalk Subgroup - Chalk |
| 16M 0275y to 16M 0715y | Clay, Silt and Sand | Alluvium | White Chalk Subgroup - Chalk |
| 16M 0715y to 17M 0055y | Sand and Gravel | Glacial Sand and Gravel | White Chalk Subgroup - Chalk |
| 17M 0055y to 17M 0165y | Clay, Silt and Sand | Alluvium | White Chalk Subgroup - Chalk |
| 17M 0165y to 17M 1688y | Sand and Gravel | Glacial Sand and Gravel | White Chalk Subgroup - Chalk |