See detailed information for ELR NTL

 ⚠️ 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
6M 0209y to 6M 1155yThames Group - Clay, Silt, Sand and Gravel
6M 1155y to 7M 0165yLambeth Group - Clay, Silt, Sand and Gravel
7M 0165y to 7M 0495yThanet Sand Formation - Sand, Silt and Clay
7M 0495y to 7M 1432ySand and GravelRiver Terrace Deposits ⓊWhite Chalk Subgroup - Chalk