See detailed information for ELR WPH1

 ⚠️ 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
24M 1249y to 28M 0605yBracklesham Group and Barton Group Ⓤ - Sand, Silt and Clay
28M 0605y to 28M 1705yThames Group - Clay, Silt, Sand and Gravel
28M 1705y to 29M 1485ySand and GravelRiver Terrace Deposits ⓊThames Group - Clay, Silt, Sand and Gravel
29M 1485y to 29M 1705yThames Group - Clay, Silt, Sand and Gravel
29M 1705y to 30M 0495yLambeth Group - Clay, Silt, Sand and Gravel
30M 0495y to 30M 0715yWhite Chalk Subgroup - Chalk
30M 0715y to 30M 1375yClay, Silt and SandAlluviumWhite Chalk Subgroup - Chalk
30M 1375y to 31M 0275yWhite Chalk Subgroup - Chalk
31M 0275y to 31M 0495yGault Formation and Upper Greensand Formation Ⓤ - Mudstone, Sandstone and Limestone
31M 0495y to 31M 1265yLower Greensand Group - Sandstone and Mudstone
31M 1265y to 32M 1045yWealden Group - Mudstone, Siltstone and Sandstone
32M 1045y to 33M 0055yLower Greensand Group - Sandstone and Mudstone
33M 0055y to 33M 0715ySand and GravelRiver Terrace Deposits ⓊLower Greensand Group - Sandstone and Mudstone
33M 0715y to 38M 1045yLower Greensand Group - Sandstone and Mudstone
38M 1045y to 41M 1375yWealden Group - Mudstone, Siltstone and Sandstone
41M 1375y to 55M 0935yLower Greensand Group - Sandstone and Mudstone
55M 0935y to 56M 1155yGault Formation and Upper Greensand Formation Ⓤ - Mudstone, Sandstone and Limestone
56M 1155y to 57M 1705yGrey Chalk Subgroup - Chalk
57M 1705y to 63M 0605yWhite Chalk Subgroup - Chalk
63M 0605y to 63M 1155ySand and GravelSand and Gravel of Uncertain Age and OriginWhite Chalk Subgroup - Chalk
63M 1155y to 64M 0605ySand and GravelSand and Gravel of Uncertain Age and OriginLambeth Group - Clay, Silt, Sand and Gravel
64M 0605y to 66M 0390ySand and GravelSand and Gravel of Uncertain Age and OriginThames Group - Clay, Silt, Sand and Gravel