Geology for ELR TAH2 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 |
|---|---|---|---|
| 5M 1416y to 5M 1705y | Thames Group - Clay, Silt, Sand and Gravel | ||
| 5M 1705y to 6M 0825y | Sand and Gravel | River Terrace Deposits Ⓤ | Thames Group - Clay, Silt, Sand and Gravel |
| 6M 0825y to 6M 1485y | Clay, Silt and Sand | Alluvium | Thames Group - Clay, Silt, Sand and Gravel |
| 6M 1485y to 7M 0385y | Thames Group - Clay, Silt, Sand and Gravel | ||
| 7M 0385y to 7M 1265y | Sand and Gravel | River Terrace Deposits Ⓤ | Thames Group - Clay, Silt, Sand and Gravel |
| 7M 1265y to 7M 1705y | Thames Group - Clay, Silt, Sand and Gravel | ||
| 7M 1705y to 11M 1045y | Sand and Gravel | River Terrace Deposits Ⓤ | Thames Group - Clay, Silt, Sand and Gravel |
| 11M 1045y to 11M 1705y | Sand and Gravel | River Terrace Deposits Ⓤ | Lambeth Group - Clay, Silt, Sand and Gravel |
| 11M 1705y to 12M 0010y | Sand and Gravel | River Terrace Deposits Ⓤ | Thames Group - Clay, Silt, Sand and Gravel |