See detailed information for ELR XRE

 ⚠️ 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.

MileageMaterialDepositBedrock
7M 0422y to 8M 1155ySand and GravelRiver Terrace Deposits ⓊThames Group - Clay, Silt, Sand and Gravel
8M 1155y to 9M 0715yClay, Silt and SandAlluviumThames Group - Clay, Silt, Sand and Gravel
9M 0715y to 9M 1180yClay, Silt and SandAlluviumLambeth Group - Clay, Silt, Sand and Gravel