Geology for ELR CNH3 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 |
|---|---|---|---|
| 179M 1108y to 179M 1375y | Diamicton | Till | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 179M 1375y to 180M 0605y | Clay, Silt and Sand | Alluvium | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 180M 0605y to 180M 1265y | Clay, Silt and Sand | Alluvium | Permian Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 180M 1265y to 181M 0605y | Permian Rocks Ⓤ - Sandstone and Conglomerate, Interbedded | ||
| 181M 0605y to 184M 0605y | Clay, Silt and Sand | Alluvium | Permian Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 184M 0605y to 185M 0825y | Clay, Silt and Sand | Alluvium | Warwickshire Group - Siltstone and Sandstone with Subordinate Mudstone |
| 185M 0825y to 185M 1485y | Clay, Silt and Sand | Alluvium | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |
| 185M 1485y to 186M 1045y | Clay, Silt and Sand | Alluvium | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 186M 1045y to 187M 0385y | Clay, Silt and Sand | Alluvium | Millstone Grit Group - Mudstone, Siltstone and Sandstone |
| 187M 0385y to 187M 0715y | Clay, Silt and Sand | Alluvium | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |
| 187M 0715y to 188M 0055y | Diamicton | Till | |
| 188M 0055y to 188M 1265y | Clay, Silt and Sand | Alluvium | |
| 188M 1265y to 189M 0275y | Clay, Silt and Sand | Alluvium | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 189M 0275y to 189M 0385y | Diamicton | Till | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 189M 0385y to 189M 1045y | Diamicton | Till | Warwickshire Group - Siltstone and Sandstone with Subordinate Mudstone |
| 189M 1045y to 189M 1375y | Diamicton | Till | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 189M 1375y to 190M 0055y | Clay, Silt and Sand | Alluvium | |
| 190M 0055y to 190M 0165y | |||
| 190M 0165y to 190M 0605y | Diamicton | Till | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 190M 0605y to 190M 1045y | Diamicton | Till | |
| 190M 1045y to 191M 1155y | Diamicton | Till | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 191M 1155y to 191M 1265y | Diamicton | Till | Warwickshire Group - Siltstone and Sandstone with Subordinate Mudstone |
| 191M 1265y to 192M 0715y | Clay, Silt and Sand | Alluvium | Warwickshire Group - Siltstone and Sandstone with Subordinate Mudstone |
| 192M 0715y to 192M 1375y | Sand and Gravel | Glacial Sand and Gravel | Warwickshire Group - Siltstone and Sandstone with Subordinate Mudstone |
| 192M 1375y to 194M 0385y | Sand and Gravel | Glacial Sand and Gravel | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |
| 194M 0385y to 194M 0495y | Sand and Gravel | Glacial Sand and Gravel | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 194M 0495y to 197M 1155y | Clay, Silt and Sand | Alluvium | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 197M 1155y to 197M 1705y | Diamicton | Till | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 197M 1705y to 199M 0055y | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ | ||
| 199M 0055y to 199M 0605y | Clay, Silt and Sand | Alluvium | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 199M 0605y to 199M 0935y | Diamicton | Till | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 199M 0935y to 199M 1155y | Diamicton | Till | Millstone Grit Group - Mudstone, Siltstone and Sandstone |
| 199M 1155y to 199M 1265y | Clay, Silt and Sand | Alluvium | Millstone Grit Group - Mudstone, Siltstone and Sandstone |
| 199M 1265y to 200M 0385y | Millstone Grit Group - Mudstone, Siltstone and Sandstone | ||
| 200M 0385y to 201M 0495y | Clay, Silt and Sand | Alluvium | Millstone Grit Group - Mudstone, Siltstone and Sandstone |
| 201M 0495y to 202M 1155y | Clay, Silt and Sand | Alluvium | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 202M 1155y to 203M 0495y | Sand | Blown Sand | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 203M 0495y to 204M 0055y | Sand | Blown Sand | Bowland High Group and Craven Group Ⓤ - Mudstone, Siltstone and Sandstone |
| 204M 0055y to 204M 0715y | Bowland High Group and Craven Group Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 204M 0715y to 204M 1045y | Sand | Blown Sand | Bowland High Group and Craven Group Ⓤ - Mudstone, Siltstone and Sandstone |
| 204M 1045y to 206M 0165y | Sand | Blown Sand | Warwickshire Group - Siltstone and Sandstone with Subordinate Mudstone |
| 206M 0165y to 207M 0825y | Sand | Blown Sand | Permian Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 207M 0825y to 207M 1375y | Clay, Silt and Sand | Alluvium | Permian Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 207M 1375y to 209M 1155y | Sand | Blown Sand | Permian Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 209M 1155y to 209M 1375y | Clay, Silt and Sand | Alluvium | Permian Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 209M 1375y to 209M 1705y | Permian Rocks Ⓤ - Sandstone and Conglomerate, Interbedded | ||
| 209M 1705y to 210M 0275y | Clay, Silt and Sand | Alluvium | |
| 210M 0275y to 210M 1705y | Clay, Silt and Sand | Alluvium | Permian Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 210M 1705y to 211M 0935y | Sand | Blown Sand | Permian Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 211M 0935y to 212M 1155y | Sand | Blown Sand | |
| 212M 1155y to 212M 1485y | |||
| 212M 1485y to 213M 1485y | Sand | Blown Sand | |
| 213M 1485y to 215M 0385y | Diamicton | Till | |
| 215M 0385y to 215M 1155y | Diamicton | Till | Dinantian Rocks Ⓤ - Limestone with Subordinate Sandstone and Argillaceous Rocks |
| 215M 1155y to 216M 1595y | Diamicton | Till | |
| 216M 1595y to 217M 0935y | Dinantian Rocks Ⓤ - Limestone with Subordinate Sandstone and Argillaceous Rocks | ||
| 217M 0935y to 217M 1155y | Diamicton | Till | Dinantian Rocks Ⓤ - Limestone with Subordinate Sandstone and Argillaceous Rocks |
| 217M 1155y to 217M 1485y | Diamicton | Till | Dinantian Rocks Ⓤ - Sandstone, Limestone and Argillaceous Rocks |
| 217M 1485y to 217M 1705y | Sand and Gravel | Glacial Sand and Gravel | Dinantian Rocks Ⓤ - Sandstone, Limestone and Argillaceous Rocks |
| 217M 1705y to 219M 1045y | Sand and Gravel | Glacial Sand and Gravel | Ludlow Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 219M 1045y to 220M 0275y | Diamicton | Till | Ludlow Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 220M 0275y to 220M 0385y | Sand and Gravel | Glacial Sand and Gravel | Ludlow Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 220M 0385y to 220M 0935y | Ludlow Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 220M 0935y to 220M 1265y | Diamicton | Till | Ludlow Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 220M 1265y to 221M 0275y | Clay, Silt and Sand | Alluvium | Ludlow Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 221M 0275y to 221M 1155y | Ludlow Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 221M 1155y to 222M 0165y | Diamicton | Till | Ludlow Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 222M 0165y to 222M 1265y | Clay, Silt and Sand | Alluvium | Ludlow Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 222M 1265y to 223M 1265y | Clay, Silt and Sand | Alluvium | Wenlock Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 223M 1265y to 223M 1375y | Clay, Silt and Sand | Alluvium | |
| 223M 1375y to 224M 0055y | |||
| 224M 0055y to 224M 0275y | Diamicton | Till | |
| 224M 0275y to 224M 0935y | Diamicton | Till | Ashgill Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 224M 0935y to 224M 1485y | Diamicton | Till | Caradoc Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 224M 1485y to 224M 1705y | Diamicton | Till | Unnamed Extrusive Rocks, Ordovician - Felsic Lava |
| 224M 1705y to 225M 0055y | Unnamed Extrusive Rocks, Ordovician - Felsic Lava | ||
| 225M 0055y to 226M 0385y | Sand | Blown Sand | Unnamed Extrusive Rocks, Ordovician - Felsic Lava |
| 226M 0385y to 226M 0495y | Unnamed Extrusive Rocks, Ordovician - Felsic Lava | ||
| 226M 0495y to 226M 0605y | Arenig Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 226M 0605y to 227M 0385y | Unnamed Igneous Intrusion, Ordovician to Silurian - Felsic-Rock | ||
| 227M 0385y to 227M 1155y | Diamicton | Till | Unnamed Extrusive Rocks, Ordovician - Felsic Lava |
| 227M 1155y to 228M 1155y | Unnamed Extrusive Rocks, Ordovician - Felsic Lava | ||
| 228M 1155y to 228M 1265y | Diamicton | Till | |
| 228M 1265y to 229M 0165y | Diamicton | Till | Llanvirn Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 229M 0165y to 229M 0495y | Diamicton | Till | |
| 229M 0495y to 229M 0935y | Diamicton | Till | Llanvirn Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 229M 0935y to 229M 1485y | Llanvirn Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 229M 1485y to 230M 0715y | |||
| 230M 0715y to 230M 0935y | Llanvirn Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 230M 0935y to 231M 0495y | |||
| 231M 0495y to 231M 0605y | Llanvirn Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 231M 0605y to 231M 1375y | |||
| 231M 1375y to 233M 0385y | Llanvirn Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 233M 0385y to 233M 0935y | Diamicton | Till | Llanvirn Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 233M 0935y to 233M 1485y | Llanvirn Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 233M 1485y to 234M 0935y | Diamicton | Till | Llanvirn Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 234M 0935y to 235M 0605y | Sand and Gravel | Glacial Sand and Gravel | Llanvirn Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 235M 0605y to 237M 0055y | Diamicton | Till | Llanvirn Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 237M 0055y to 237M 0385y | Clay, Silt and Sand | Alluvium | Llanvirn Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 237M 0385y to 238M 0495y | Diamicton | Till | Llanvirn Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 238M 0495y to 238M 0715y | Diamicton | Till | Lower Cambrian Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 238M 0715y to 238M 1375y | Lower Cambrian Rocks Ⓤ - Sandstone and Conglomerate, Interbedded | ||
| 238M 1375y to 238M 1595y | Llanvirn Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 238M 1595y to 239M 0605y | Lower Cambrian Rocks Ⓤ - Sandstone and Conglomerate, Interbedded | ||
| 239M 0605y to 239M 0935y | Unnamed Extrusive Rocks, Neoproterozoic - Felsic Tuff | ||
| 239M 0935y to 239M 1375y | Dinantian Rocks Ⓤ - Limestone with Subordinate Sandstone and Argillaceous Rocks | ||
| 239M 1375y to 239M 1705y | Diamicton | Till | Dinantian Rocks Ⓤ - Limestone with Subordinate Sandstone and Argillaceous Rocks |
| 239M 1705y to 240M 0165y | Dinantian Rocks Ⓤ - Limestone with Subordinate Sandstone and Argillaceous Rocks | ||
| 240M 0165y to 241M 0055y | Diamicton | Till | Dinantian Rocks Ⓤ - Limestone with Subordinate Sandstone and Argillaceous Rocks |
| 241M 0055y to 241M 0275y | Dinantian Rocks Ⓤ - Limestone with Subordinate Sandstone and Argillaceous Rocks | ||
| 241M 0275y to 241M 0495y | |||
| 241M 0495y to 241M 1485y | Unnamed Metamorphic Rocks, Neoproterozoic - Hornblende Schist | ||
| 241M 1485y to 242M 0605y | Diamicton | Till | Unnamed Metamorphic Rocks, Neoproterozoic - Hornblende Schist |
| 242M 0605y to 247M 1265y | Diamicton | Till | Unnamed Metamorphic Rocks, Neoproterozoic - Metalimestone |
| 247M 1265y to 248M 0385y | Clay, Silt and Sand | Alluvium | Unnamed Metamorphic Rocks, Neoproterozoic - Metalimestone |
| 248M 0385y to 249M 0055y | Clay, Silt and Sand | Alluvium | Warwickshire Group - Mudstone, Siltstone, Sandstone, Coal, Ironstone and Ferricrete |
| 249M 0055y to 249M 1485y | Clay, Silt and Sand | Alluvium | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 249M 1485y to 250M 0165y | Diamicton | Till | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 250M 0165y to 250M 1045y | Diamicton | Till | Millstone Grit Group - Mudstone, Siltstone and Sandstone |
| 250M 1045y to 250M 1155y | Diamicton | Till | Dinantian Rocks Ⓤ - Limestone with Subordinate Sandstone and Argillaceous Rocks |
| 250M 1155y to 252M 0055y | Diamicton | Till | Upper Cambrian, Including Tremadoc - Metasedimentary Rock |
| 252M 0055y to 252M 0385y | Upper Cambrian, Including Tremadoc - Metasedimentary Rock | ||
| 252M 0385y to 252M 0495y | Unnamed Extrusive Rocks, Cambrian - Mafic Lava | ||
| 252M 0495y to 252M 1155y | Diamicton | Till | Upper Cambrian, Including Tremadoc - Metasedimentary Rock |
| 252M 1155y to 254M 1045y | Diamicton | Till | Unnamed Metamorphic Rocks, Neoproterozoic - Metalimestone |
| 254M 1045y to 255M 1595y | Diamicton | Till | Unnamed Igneous Intrusion, Neoproterozoic - Felsic-Rock |
| 255M 1595y to 256M 0715y | Diamicton | Till | Ordovician Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 256M 0715y to 257M 0935y | Sand | Blown Sand | Ordovician Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 257M 0935y to 257M 1705y | Sand | Blown Sand | Upper Cambrian, Including Tremadoc - Metasedimentary Rock |
| 257M 1705y to 258M 0385y | Diamicton | Till | Upper Cambrian, Including Tremadoc - Metasedimentary Rock |
| 258M 0385y to 258M 0825y | Diamicton | Till | Unnamed Igneous Intrusion, Ordovician to Silurian - Felsic-Rock |
| 258M 0825y to 258M 1265y | Diamicton | Till | Upper Cambrian, Including Tremadoc - Metasedimentary Rock |
| 258M 1265y to 258M 1485y | Upper Cambrian, Including Tremadoc - Metasedimentary Rock | ||
| 258M 1485y to 259M 0715y | Diamicton | Till | Upper Cambrian, Including Tremadoc - Metasedimentary Rock |
| 259M 0715y to 259M 0825y | Diamicton | Till | Unnamed Igneous Intrusion, Ordovician to Silurian - Ultramafitite |
| 259M 0825y to 259M 1155y | Diamicton | Till | Upper Cambrian, Including Tremadoc - Metasedimentary Rock |
| 259M 1155y to 259M 1705y | Clay, Silt and Sand | Alluvium | Upper Cambrian, Including Tremadoc - Metasedimentary Rock |
| 259M 1705y to 260M 1045y | Diamicton | Till | Upper Cambrian, Including Tremadoc - Metasedimentary Rock |
| 260M 1045y to 260M 1265y | Upper Cambrian, Including Tremadoc - Metasedimentary Rock | ||
| 260M 1265y to 261M 0495y | |||
| 261M 0495y to 261M 0605y | Diamicton | Till | |
| 261M 0605y to 262M 1595y | Diamicton | Till | Upper Cambrian, Including Tremadoc - Metasedimentary Rock |
| 262M 1595y to 263M 0275y | Upper Cambrian, Including Tremadoc - Metasedimentary Rock | ||
| 263M 0275y to 263M 1586y | Diamicton | Till | Upper Cambrian, Including Tremadoc - Metasedimentary Rock |