See detailed information for ELR TTA1
⚠️ 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 |
|---|---|---|---|
| 168M 0839y to 169M 0165y | Diamicton | Till | Millstone Grit Group - Mudstone, Siltstone and Sandstone |
| 169M 0165y to 169M 1155y | Millstone Grit Group - Mudstone, Siltstone and Sandstone | ||
| 169M 1155y to 170M 1045y | Diamicton | Till | Millstone Grit Group - Mudstone, Siltstone and Sandstone |
| 170M 1045y to 173M 0385y | Diamicton | Till | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 173M 0385y to 176M 0275y | Diamicton | Till | Millstone Grit Group - Mudstone, Siltstone and Sandstone |
| 176M 0275y to 179M 1155y | Diamicton | Till | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 179M 1155y to 179M 1705y | Diamicton | Till | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |
| 179M 1705y to 181M 0002y | Diamicton | Till | Permian Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |