See detailed information for ELR ELL1

 ⚠️ 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
0.-35km to 6.286kmSand and GravelRiver Terrace Deposits ⓊThames Group - Clay, Silt, Sand and Gravel
6.286km to 6.588kmSand and GravelRiver Terrace Deposits Ⓤ
6.588km to 6.688kmSand and GravelRiver Terrace Deposits ⓊLambeth Group - Clay, Silt, Sand and Gravel
6.688km to 6.890kmLambeth Group - Clay, Silt, Sand and Gravel
6.890km to 7.594kmClay, Silt and SandAlluviumLambeth Group - Clay, Silt, Sand and Gravel
7.594km to 7.996kmClay, Silt and SandAlluviumThanet Sand Formation - Sand, Silt and Clay
7.996km to 8.700kmClay, Silt and SandAlluviumWhite Chalk Subgroup - Chalk
8.700km to 9.304kmClay, Silt and SandAlluviumThanet Sand Formation - Sand, Silt and Clay
9.304km to 9.706kmSand and GravelRiver Terrace Deposits ⓊThanet Sand Formation - Sand, Silt and Clay
9.706km to 10.008kmSand and GravelRiver Terrace Deposits ⓊLambeth Group - Clay, Silt, Sand and Gravel
10.008km to 10.105kmThames Group - Clay, Silt, Sand and Gravel