Geology for ELR SSK1 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 |
|---|---|---|---|
| 26M 1589y to 27M 0165y | Diamicton | Till | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 27M 0165y to 27M 1155y | Sand and Gravel | Raised Marine Deposits Ⓤ | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 27M 1155y to 28M 1485y | Diamicton | Till | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 28M 1485y to 31M 0055y | Diamicton | Till | Ravenscar Group - Sandstone, Siltstone and Mudstone |
| 31M 0055y to 31M 1375y | Diamicton | Till | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 31M 1375y to 33M 0605y | Lias Group - Mudstone, Siltstone, Limestone and Sandstone | ||
| 33M 0605y to 33M 1155y | Diamicton | Till | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 33M 1155y to 34M 0165y | Diamicton | Till | Ravenscar Group - Sandstone, Siltstone and Mudstone |
| 34M 0165y to 34M 1485y | Diamicton | Till | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 34M 1485y to 38M 0165y | Diamicton | Till | Ravenscar Group - Sandstone, Siltstone and Mudstone |
| 38M 0165y to 39M 0165y | Diamicton | Till | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 39M 0165y to 39M 0242y | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |