See detailed information for ELR DJP
⚠️ 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 |
|---|---|---|---|
| 78M 1260y to 79M 0165y | Llandovery Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 79M 0165y to 79M 0495y | Clay, Silt and Sand | Alluvium | Llandovery Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 79M 0495y to 80M 0275y | Diamicton | Till | Llandovery Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 80M 0275y to 85M 0495y | Llandovery Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 85M 0495y to 86M 0825y | Sand | Blown Sand | Llandovery Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 86M 0825y to 87M 0055y | Clay, Silt and Sand | Alluvium | Llandovery Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 87M 0055y to 87M 1595y | Clay, Silt and Sand | Alluvium | Ashgill Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 87M 1595y to 88M 1155y | Clay, Silt and Sand | Alluvium | Caradoc Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 88M 1155y to 89M 0495y | Sand | Blown Sand | Caradoc Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 89M 0495y to 90M 0165y | Caradoc Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 90M 0165y to 90M 0385y | Unnamed Extrusive Rocks, Ordovician - Felsic Tuff | ||
| 90M 0385y to 90M 0495y | Unnamed Igneous Intrusion, Ordovician to Silurian - Mafic Igneous-rock | ||
| 90M 0495y to 90M 0715y | |||
| 90M 0715y to 90M 0825y | Unnamed Igneous Intrusion, Ordovician to Silurian - Mafic Igneous-rock | ||
| 90M 0825y to 90M 1155y | Unnamed Extrusive Rocks, Ordovician - Felsic Tuff | ||
| 90M 1155y to 90M 1375y | Sand and Gravel | Glacial Sand and Gravel | Unnamed Extrusive Rocks, Ordovician - Felsic Tuff |
| 90M 1375y to 90M 1485y | Sand and Gravel | Glacial Sand and Gravel | Arenig Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 90M 1485y to 90M 1595y | Arenig Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 90M 1595y to 91M 0495y | Tremadoc Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 91M 0495y to 94M 1045y | Upper Cambrian, Including Tremadoc - Mudstone, Siltstone and Sandstone | ||
| 94M 1045y to 95M 0165y | Sand and Gravel | Glacial Sand and Gravel | Upper Cambrian, Including Tremadoc - Mudstone, Siltstone and Sandstone |
| 95M 0165y to 95M 0715y | Sand and Gravel | Glacial Sand and Gravel | Tremadoc Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 95M 0715y to 96M 0275y | Tremadoc Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 96M 0275y to 96M 0385y | Arenig Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 96M 0385y to 97M 0055y | |||
| 97M 0055y to 97M 1265y | Upper Cambrian, Including Tremadoc - Mudstone, Siltstone and Sandstone | ||
| 97M 1265y to 98M 1155y | Clay, Silt and Sand | Alluvium | Upper Cambrian, Including Tremadoc - Mudstone, Siltstone and Sandstone |
| 98M 1155y to 98M 1265y | Upper Cambrian, Including Tremadoc - Mudstone, Siltstone and Sandstone | ||
| 98M 1265y to 98M 1595y | |||
| 98M 1595y to 99M 0165y | Upper Cambrian, Including Tremadoc - Mudstone, Siltstone and Sandstone | ||
| 99M 0165y to 99M 1595y | |||
| 99M 1595y to 100M 1045y | Middle Cambrian - Mudstone, Siltstone and Sandstone | ||
| 100M 1045y to 101M 1485y | Lower Cambrian Rocks Ⓤ - Sandstone and Conglomerate, Interbedded | ||
| 101M 1485y to 102M 1155y | Lower Cambrian Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 102M 1155y to 104M 0715y | Eocene to Miocene Rocks Ⓤ - Clay, Silt, Sand and Gravel | ||
| 104M 0715y to 104M 1485y | Diamicton | Till | Eocene to Miocene Rocks Ⓤ - Clay, Silt, Sand and Gravel |
| 104M 1485y to 107M 0715y | Eocene to Miocene Rocks Ⓤ - Clay, Silt, Sand and Gravel | ||
| 107M 0715y to 107M 1705y | Clay, Silt and Sand | Alluvium | Eocene to Miocene Rocks Ⓤ - Clay, Silt, Sand and Gravel |
| 107M 1705y to 108M 0715y | Clay, Silt and Sand | Alluvium | Lower Cambrian Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 108M 0715y to 108M 1265y | Diamicton | Till | Lower Cambrian Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 108M 1265y to 108M 1595y | Diamicton | Till | Eocene to Miocene Rocks Ⓤ - Clay, Silt, Sand and Gravel |
| 108M 1595y to 109M 0495y | Sand | Blown Sand | Eocene to Miocene Rocks Ⓤ - Clay, Silt, Sand and Gravel |
| 109M 0495y to 109M 0825y | Eocene to Miocene Rocks Ⓤ - Clay, Silt, Sand and Gravel | ||
| 109M 0825y to 109M 1155y | |||
| 109M 1155y to 109M 1485y | Eocene to Miocene Rocks Ⓤ - Clay, Silt, Sand and Gravel | ||
| 109M 1485y to 110M 0275y | Sand | Blown Sand | Eocene to Miocene Rocks Ⓤ - Clay, Silt, Sand and Gravel |
| 110M 0275y to 110M 0385y | Lower Cambrian Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 110M 0385y to 110M 1375y | Sand | Blown Sand | Lower Cambrian Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 110M 1375y to 111M 0055y | Sand | Blown Sand | Lower Cambrian Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 111M 0055y to 112M 0165y | Lower Cambrian Rocks Ⓤ - Sandstone and Conglomerate, Interbedded | ||
| 112M 0165y to 113M 0165y | Middle Cambrian - Mudstone, Siltstone and Sandstone | ||
| 113M 0165y to 114M 0165y | Upper Cambrian, Including Tremadoc - Mudstone, Siltstone and Sandstone | ||
| 114M 0165y to 115M 1045y | Clay, Silt and Sand | Alluvium | Upper Cambrian, Including Tremadoc - Mudstone, Siltstone and Sandstone |
| 115M 1045y to 115M 1375y | Clay, Silt and Sand | Alluvium | |
| 115M 1375y to 115M 1595y | |||
| 115M 1595y to 116M 1155y | Upper Cambrian, Including Tremadoc - Mudstone, Siltstone and Sandstone | ||
| 116M 1155y to 117M 0055y | Tremadoc Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 117M 0055y to 117M 0715y | Upper Cambrian, Including Tremadoc - Mudstone, Siltstone and Sandstone | ||
| 117M 0715y to 118M 0605y | Tremadoc Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 118M 0605y to 118M 0715y | Clay, Silt and Sand | Alluvium | |
| 118M 0715y to 118M 1045y | Clay, Silt and Sand | Alluvium | Tremadoc Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 118M 1045y to 120M 0055y | Clay, Silt and Sand | Alluvium | Llanvirn Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 120M 0055y to 120M 1485y | Clay, Silt and Sand | Alluvium | Tremadoc Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 120M 1485y to 121M 0495y | Tremadoc Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 121M 0495y to 121M 0605y | Diamicton | Till | Tremadoc Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 121M 0605y to 122M 0055y | Diamicton | Till | Upper Cambrian, Including Tremadoc - Mudstone, Siltstone and Sandstone |
| 122M 0055y to 123M 1375y | Clay, Silt and Sand | Alluvium | Upper Cambrian, Including Tremadoc - Mudstone, Siltstone and Sandstone |
| 123M 1375y to 123M 1485y | Clay, Silt and Sand | Alluvium | Tremadoc Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 123M 1485y to 124M 0495y | Diamicton | Till | Tremadoc Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 124M 0495y to 124M 1705y | Diamicton | Till | Llanvirn Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 124M 1705y to 125M 0935y | Diamicton | Till | Unnamed Extrusive Rocks, Ordovician - Felsic Tuff |
| 125M 0935y to 126M 1375y | Diamicton | Till | Caradoc Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 126M 1375y to 126M 1705y | Diamicton | Till | Unnamed Extrusive Rocks, Ordovician - Felsic Tuff |
| 126M 1705y to 129M 0165y | Diamicton | Till | Llanvirn Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 129M 0165y to 129M 0495y | Diamicton | Till | Unnamed Extrusive Rocks, Ordovician - Felsic Tuff |
| 129M 0495y to 129M 1155y | Diamicton | Till | Unnamed Extrusive Rocks, Ordovician - Felsic Lava and Felsic Tuff |
| 129M 1155y to 130M 0495y | Diamicton | Till | Llanvirn Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 130M 0495y to 130M 1155y | Diamicton | Till | Unnamed Extrusive Rocks, Ordovician - Felsic Lava and Felsic Tuff |
| 130M 1155y to 131M 0495y | Diamicton | Till | Llanvirn Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 131M 0495y to 131M 1045y | Llanvirn Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 131M 1045y to 132M 1644y | Unnamed Extrusive Rocks, Ordovician - Felsic Lava and Felsic Tuff |