Geology for ELR RDG1 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 |
|---|---|---|---|
| 0M -024y to 1M 0495y | Clay, Silt and Sand | Alluvium | Thames Group - Clay, Silt, Sand and Gravel |
| 1M 0495y to 1M 1155y | Sand and Gravel | River Terrace Deposits Ⓤ | Thames Group - Clay, Silt, Sand and Gravel |
| 1M 1155y to 2M 0825y | Clay, Silt and Sand | Alluvium | Thames Group - Clay, Silt, Sand and Gravel |
| 2M 0825y to 4M 1045y | Sand and Gravel | River Terrace Deposits Ⓤ | Thames Group - Clay, Silt, Sand and Gravel |
| 4M 1045y to 5M 1155y | Clay, Silt and Sand | Alluvium | Thames Group - Clay, Silt, Sand and Gravel |
| 5M 1155y to 7M 0385y | Sand and Gravel | River Terrace Deposits Ⓤ | Thames Group - Clay, Silt, Sand and Gravel |
| 7M 0385y to 8M 0495y | Clay, Silt and Sand | Alluvium | Thames Group - Clay, Silt, Sand and Gravel |
| 8M 0495y to 10M 0605y | Sand and Gravel | River Terrace Deposits Ⓤ | Thames Group - Clay, Silt, Sand and Gravel |
| 10M 0605y to 10M 0715y | Sand and Gravel | River Terrace Deposits Ⓤ | |
| 10M 0715y to 10M 1155y | Clay, Silt and Sand | Alluvium | Thames Group - Clay, Silt, Sand and Gravel |
| 10M 1155y to 19M 0605y | Sand and Gravel | River Terrace Deposits Ⓤ | Thames Group - Clay, Silt, Sand and Gravel |
| 19M 0605y to 20M 1155y | Clay, Silt and Sand | Alluvium | Thames Group - Clay, Silt, Sand and Gravel |
| 20M 1155y to 20M 1265y | Sand and Gravel | River Terrace Deposits Ⓤ | Thames Group - Clay, Silt, Sand and Gravel |
| 20M 1265y to 21M 0385y | Clay, Silt and Sand | Alluvium | Thames Group - Clay, Silt, Sand and Gravel |
| 21M 0385y to 21M 1045y | Sand and Gravel | River Terrace Deposits Ⓤ | Thames Group - Clay, Silt, Sand and Gravel |
| 21M 1045y to 22M 0385y | Thames Group - Clay, Silt, Sand and Gravel | ||
| 22M 0385y to 22M 0495y | Bracklesham Group and Barton Group Ⓤ - Sand, Silt and Clay | ||
| 22M 0495y to 22M 1045y | Sand and Gravel | River Terrace Deposits Ⓤ | Bracklesham Group and Barton Group Ⓤ - Sand, Silt and Clay |
| 22M 1045y to 23M 1155y | Bracklesham Group and Barton Group Ⓤ - Sand, Silt and Clay | ||
| 23M 1155y to 24M 0165y | Sand and Gravel | River Terrace Deposits Ⓤ | Bracklesham Group and Barton Group Ⓤ - Sand, Silt and Clay |
| 24M 0165y to 27M 0055y | Bracklesham Group and Barton Group Ⓤ - Sand, Silt and Clay | ||
| 27M 0055y to 27M 0715y | Sand and Gravel | Sand and Gravel of Uncertain Age and Origin | Bracklesham Group and Barton Group Ⓤ - Sand, Silt and Clay |
| 27M 0715y to 29M 0165y | Bracklesham Group and Barton Group Ⓤ - Sand, Silt and Clay | ||
| 29M 0165y to 29M 0605y | Sand and Gravel | Sand and Gravel of Uncertain Age and Origin | Bracklesham Group and Barton Group Ⓤ - Sand, Silt and Clay |
| 29M 0605y to 32M 0495y | Bracklesham Group and Barton Group Ⓤ - Sand, Silt and Clay | ||
| 32M 0495y to 34M 0275y | Thames Group - Clay, Silt, Sand and Gravel | ||
| 34M 0275y to 34M 0605y | Bracklesham Group and Barton Group Ⓤ - Sand, Silt and Clay | ||
| 34M 0605y to 35M 0715y | Thames Group - Clay, Silt, Sand and Gravel | ||
| 35M 0715y to 35M 1265y | Bracklesham Group and Barton Group Ⓤ - Sand, Silt and Clay | ||
| 35M 1265y to 35M 1485y | Sand and Gravel | Sand and Gravel of Uncertain Age and Origin | Bracklesham Group and Barton Group Ⓤ - Sand, Silt and Clay |
| 35M 1485y to 36M 0605y | Sand and Gravel | Sand and Gravel of Uncertain Age and Origin | Thames Group - Clay, Silt, Sand and Gravel |
| 36M 0605y to 36M 0784y | Bracklesham Group and Barton Group Ⓤ - Sand, Silt and Clay |