Geology for ELR WPH2 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 |
|---|---|---|---|
| 37M 0498y to 37M 1485y | Sand and Gravel | Sand and Gravel of Uncertain Age and Origin | Thames Group - Clay, Silt, Sand and Gravel |
| 37M 1485y to 37M 1595y | Thames Group - Clay, Silt, Sand and Gravel | ||
| 37M 1595y to 38M 0495y | Lambeth Group - Clay, Silt, Sand and Gravel | ||
| 38M 0495y to 38M 1265y | White Chalk Subgroup - Chalk | ||
| 38M 1265y to 39M 0385y | Sand and Gravel | Sand and Gravel of Uncertain Age and Origin | White Chalk Subgroup - Chalk |
| 39M 0385y to 41M 0385y | Silt | Brickearth | White Chalk Subgroup - Chalk |
| 41M 0385y to 41M 0935y | Clay, Silt and Sand | Alluvium | White Chalk Subgroup - Chalk |
| 41M 0935y to 41M 1595y | Silt | Brickearth | White Chalk Subgroup - Chalk |
| 41M 1595y to 42M 0495y | Silt | Brickearth | Lambeth Group - Clay, Silt, Sand and Gravel |
| 42M 0495y to 42M 0715y | Clay, Silt and Sand | Alluvium | Thames Group - Clay, Silt, Sand and Gravel |
| 42M 0715y to 43M 1155y | Silt | Brickearth | Thames Group - Clay, Silt, Sand and Gravel |
| 43M 1155y to 44M 0165y | Silt | Brickearth | Bracklesham Group and Barton Group Ⓤ - Sand, Silt and Clay |
| 44M 0165y to 45M 0605y | Sand and Gravel | Sand and Gravel of Uncertain Age and Origin | Bracklesham Group and Barton Group Ⓤ - Sand, Silt and Clay |
| 45M 0605y to 45M 0825y | Clay, Silt and Sand | Alluvium | Bracklesham Group and Barton Group Ⓤ - Sand, Silt and Clay |
| 45M 0825y to 45M 0902y | Bracklesham Group and Barton Group Ⓤ - Sand, Silt and Clay |