See detailed information for ELR BBB
⚠️ 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 |
|---|---|---|---|
| 10M 0652y to 11M 0275y | Sand and Gravel | Glacial Sand and Gravel | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |
| 11M 0275y to 11M 1375y | Diamicton | Till | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |
| 11M 1375y to 14M 0605y | Diamicton | Till | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 14M 0605y to 14M 1485y | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ | ||
| 14M 1485y to 15M 0385y | Diamicton | Till | Millstone Grit Group - Mudstone, Siltstone and Sandstone |
| 15M 0385y to 15M 1595y | Diamicton | Till | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 15M 1595y to 17M 1375y | Diamicton | Till | Millstone Grit Group - Mudstone, Siltstone and Sandstone |
| 17M 1375y to 17M 1595y | Diamicton | Till | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 17M 1595y to 17M 1705y | Peat | Peat | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 17M 1705y to 18M 1485y | Diamicton | Till | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 18M 1485y to 20M 0825y | Sand and Gravel | Glacial Sand and Gravel | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 20M 0825y to 21M 0495y | Diamicton | Till | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 21M 0495y to 24M 0206y | Sand and Gravel | Glacial Sand and Gravel | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |