See detailed information for ELR NGL
⚠️ 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.
| Mileage | Material | Deposit | Bedrock |
|---|---|---|---|
| 13M 0448y to 14M 1485y | Sand and Gravel | River Terrace Deposits Ⓤ | Thames Group - Clay, Silt, Sand and Gravel |
| 14M 1485y to 16M 1155y | Thames Group - Clay, Silt, Sand and Gravel | ||
| 16M 1155y to 17M 0935y | Bracklesham Group and Barton Group Ⓤ - Sand, Silt and Clay | ||
| 17M 0935y to 17M 1705y | Thames Group - Clay, Silt, Sand and Gravel | ||
| 17M 1705y to 18M 0495y | Bracklesham Group and Barton Group Ⓤ - Sand, Silt and Clay | ||
| 18M 0495y to 18M 1485y | Thames Group - Clay, Silt, Sand and Gravel | ||
| 18M 1485y to 19M 0275y | Sand and Gravel | River Terrace Deposits Ⓤ | Thames Group - Clay, Silt, Sand and Gravel |
| 19M 0275y to 19M 1155y | Clay, Silt and Sand | Alluvium | Thames Group - Clay, Silt, Sand and Gravel |
| 19M 1155y to 22M 0605y | Thames Group - Clay, Silt, Sand and Gravel | ||
| 22M 0605y to 22M 1375y | Sand and Gravel | River Terrace Deposits Ⓤ | Thames Group - Clay, Silt, Sand and Gravel |
| 22M 1375y to 24M 1485y | Thames Group - Clay, Silt, Sand and Gravel | ||
| 24M 1485y to 25M 0825y | Sand and Gravel | River Terrace Deposits Ⓤ | Thames Group - Clay, Silt, Sand and Gravel |
| 25M 0825y to 27M 0165y | Thames Group - Clay, Silt, Sand and Gravel | ||
| 27M 0165y to 27M 1375y | Sand and Gravel | River Terrace Deposits Ⓤ | Thames Group - Clay, Silt, Sand and Gravel |
| 27M 1375y to 28M 1045y | Sand and Gravel | River Terrace Deposits Ⓤ | Lambeth Group - Clay, Silt, Sand and Gravel |
| 28M 1045y to 28M 1595y | Clay, Silt and Sand | Alluvium | Lambeth Group - Clay, Silt, Sand and Gravel |
| 28M 1595y to 29M 0495y | Clay, Silt and Sand | Alluvium | Thames Group - Clay, Silt, Sand and Gravel |
| 29M 0495y to 29M 0715y | Sand and Gravel | River Terrace Deposits Ⓤ | Thames Group - Clay, Silt, Sand and Gravel |
| 29M 0715y to 29M 0935y | Thames Group - Clay, Silt, Sand and Gravel | ||
| 29M 0935y to 29M 1485y | Lambeth Group - Clay, Silt, Sand and Gravel | ||
| 29M 1485y to 29M 1595y | White Chalk Subgroup - Chalk | ||
| 29M 1595y to 30M 0093y | Clay, Silt and Sand | Alluvium | White Chalk Subgroup - Chalk |