Geology for ELR DSN3 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 |
|---|---|---|---|
| 22M 0336y to 22M 0495y | Sand and Gravel | Raised Marine Deposits Ⓤ | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 22M 0495y to 22M 0825y | Sand | Blown Sand | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 22M 0825y to 23M 0055y | Sand and Gravel | Raised Marine Deposits Ⓤ | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 23M 0055y to 24M 0275y | Lias Group - Mudstone, Siltstone, Limestone and Sandstone | ||
| 24M 0275y to 24M 0825y | Sand and Gravel | Raised Marine Deposits Ⓤ | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 24M 0825y to 26M 0275y | Diamicton | Till | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 26M 0275y to 26M 1265y | Sand and Gravel | Raised Marine Deposits Ⓤ | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 26M 1265y to 27M 0165y | Diamicton | Till | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 27M 0165y to 27M 0825y | Sand and Gravel | Raised Marine Deposits Ⓤ | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 27M 0825y to 27M 1363y | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |