Geology for ELR HNR 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 |
|---|---|---|---|
| 56M 0629y to 58M 0275y | Diamicton | Till | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 58M 0275y to 58M 0715y | Diamicton | Till | Great Oolite Group - Sandstone, Limestone and Argillaceous Rocks |
| 58M 0715y to 58M 0935y | Great Oolite Group - Sandstone, Limestone and Argillaceous Rocks | ||
| 58M 0935y to 58M 1155y | Diamicton | Till | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 58M 1155y to 58M 1375y | Diamicton | Till | Great Oolite Group - Sandstone, Limestone and Argillaceous Rocks |
| 58M 1375y to 59M 1045y | Great Oolite Group - Sandstone, Limestone and Argillaceous Rocks | ||
| 59M 1045y to 60M 0605y | Diamicton | Till | Great Oolite Group - Sandstone, Limestone and Argillaceous Rocks |
| 60M 0605y to 61M 0275y | Great Oolite Group - Sandstone, Limestone and Argillaceous Rocks | ||
| 61M 0275y to 61M 0385y | Lias Group - Mudstone, Siltstone, Limestone and Sandstone | ||
| 61M 0385y to 63M 0385y | Diamicton | Till | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 63M 0385y to 63M 1705y | Lias Group - Mudstone, Siltstone, Limestone and Sandstone | ||
| 63M 1705y to 64M 1265y | Inferior Oolite Group - Limestone, Sandstone, Siltstone and Mudstone | ||
| 64M 1265y to 64M 1375y | Clay, Silt and Sand | Alluvium | Inferior Oolite Group - Limestone, Sandstone, Siltstone and Mudstone |
| 64M 1375y to 65M 1155y | Clay, Silt and Sand | Alluvium | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 65M 1155y to 66M 1485y | Lias Group - Mudstone, Siltstone, Limestone and Sandstone | ||
| 66M 1485y to 67M 0495y | Inferior Oolite Group - Limestone, Sandstone, Siltstone and Mudstone | ||
| 67M 0495y to 69M 1705y | Lias Group - Mudstone, Siltstone, Limestone and Sandstone | ||
| 69M 1705y to 71M 0275y | Diamicton | Till | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 71M 0275y to 74M 0935y | Lias Group - Mudstone, Siltstone, Limestone and Sandstone | ||
| 74M 0935y to 75M 1045y | Diamicton | Till | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 75M 1045y to 77M 0165y | Lias Group - Mudstone, Siltstone, Limestone and Sandstone | ||
| 77M 0165y to 77M 1485y | Diamicton | Till | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 77M 1485y to 78M 1375y | Lias Group - Mudstone, Siltstone, Limestone and Sandstone | ||
| 78M 1375y to 78M 1595y | Diamicton | Till | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 78M 1595y to 79M 1485y | Lias Group - Mudstone, Siltstone, Limestone and Sandstone | ||
| 79M 1485y to 80M 0495y | Sand and Gravel | Glacial Sand and Gravel | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 80M 0495y to 80M 0825y | Lias Group - Mudstone, Siltstone, Limestone and Sandstone | ||
| 80M 0825y to 81M 0165y | Clay, Silt and Sand | Alluvium | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 81M 0165y to 82M 1375y | Lias Group - Mudstone, Siltstone, Limestone and Sandstone | ||
| 82M 1375y to 83M 0055y | Sand and Gravel | River Terrace Deposits Ⓤ | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 83M 0055y to 84M 0385y | Sand and Gravel | Glacial Sand and Gravel | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 84M 0385y to 84M 1578y | Diamicton | Till | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |