Geology for ELR SCP 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 |
|---|---|---|---|
| 6M 0889y to 7M 1265y | Thames Group - Clay, Silt, Sand and Gravel | ||
| 7M 1265y to 7M 1353y | Sand and Gravel | Sand and Gravel of Uncertain Age and Origin | Thames Group - Clay, Silt, Sand and Gravel |