Geology for ELR ECN5 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 |
|---|---|---|---|
| 203M 0226y to 203M 0605y | Clay, Silt and Sand | Alluvium | Arbuthnott-Garvock Group - Sandstone with Subordinate Conglomerate, Siltstone and Mudstone |
| 203M 0605y to 203M 1045y | Clay, Silt and Sand | Alluvium | Unnamed Extrusive Rocks, Silurian to Devonian - Mafic Lava and Mafic Tuff |
| 203M 1045y to 203M 1485y | Clay, Silt and Sand | Alluvium | Arbuthnott-Garvock Group - Sandstone with Subordinate Conglomerate, Siltstone and Mudstone |
| 203M 1485y to 204M 1485y | Diamicton | Till | Arbuthnott-Garvock Group - Sandstone with Subordinate Conglomerate, Siltstone and Mudstone |
| 204M 1485y to 205M 1265y | Clay, Silt and Sand | Alluvium | Arbuthnott-Garvock Group - Sandstone with Subordinate Conglomerate, Siltstone and Mudstone |
| 205M 1265y to 207M 0825y | Diamicton | Till | Arbuthnott-Garvock Group - Sandstone with Subordinate Conglomerate, Siltstone and Mudstone |
| 207M 0825y to 210M 1375y | Diamicton | Till | Strathmore Group - Sandstone with Subordinate Conglomerate, Siltstone and Mudstone |
| 210M 1375y to 211M 0825y | Clay, Silt and Sand | Alluvium | Strathmore Group - Sandstone with Subordinate Conglomerate, Siltstone and Mudstone |
| 211M 0825y to 212M 1705y | Diamicton | Till | Strathmore Group - Sandstone with Subordinate Conglomerate, Siltstone and Mudstone |
| 212M 1705y to 213M 0935y | Clay, Silt and Sand | Alluvium | Strathmore Group - Sandstone with Subordinate Conglomerate, Siltstone and Mudstone |
| 213M 0935y to 215M 0055y | Diamicton | Till | Strathmore Group - Sandstone with Subordinate Conglomerate, Siltstone and Mudstone |
| 215M 0055y to 216M 1375y | Sand and Gravel | Glacial Sand and Gravel | Strathmore Group - Sandstone with Subordinate Conglomerate, Siltstone and Mudstone |
| 216M 1375y to 217M 0495y | Sand and Gravel | Glacial Sand and Gravel | Arbuthnott-Garvock Group - Sandstone with Subordinate Conglomerate, Siltstone and Mudstone |
| 217M 0495y to 217M 1595y | Sand and Gravel | Glacial Sand and Gravel | Unnamed Extrusive Rocks, Silurian to Devonian - Mafic Lava and Mafic Tuff |
| 217M 1595y to 218M 0605y | Sand and Gravel | Glacial Sand and Gravel | Arbuthnott-Garvock Group - Sandstone with Subordinate Conglomerate, Siltstone and Mudstone |
| 218M 0605y to 218M 1705y | Sand and Gravel | Glacial Sand and Gravel | Dunnottar-Crawton Group - Sandstone and Conglomerate, Interbedded |
| 218M 1705y to 219M 0275y | Diamicton | Till | Dunnottar-Crawton Group - Sandstone and Conglomerate, Interbedded |
| 219M 0275y to 223M 1595y | Diamicton | Till | Stonehaven Group - Sandstone with Subordinate Conglomerate and Siltstone |
| 223M 1595y to 223M 1705y | Diamicton | Till | Dunnottar-Crawton Group - Sandstone and Conglomerate, Interbedded |
| 223M 1705y to 224M 0165y | Sand and Gravel | Glacial Sand and Gravel | Dunnottar-Crawton Group - Sandstone and Conglomerate, Interbedded |
| 224M 0165y to 225M 0715y | Sand and Gravel | Glacial Sand and Gravel | Stonehaven Group - Sandstone with Subordinate Conglomerate and Siltstone |
| 225M 0715y to 226M 1485y | Sand and Gravel | Glacial Sand and Gravel | Southern Highland Group - Psammite and Pelite |
| 226M 1485y to 227M 0495y | Southern Highland Group - Psammite and Pelite | ||
| 227M 0495y to 227M 1705y | Sand and Gravel | Glacial Sand and Gravel | Southern Highland Group - Psammite and Pelite |
| 227M 1705y to 228M 1375y | Southern Highland Group - Psammite and Pelite | ||
| 228M 1375y to 235M 0165y | Diamicton | Till | Southern Highland Group - Psammite and Pelite |
| 235M 0165y to 235M 1705y | Diamicton | Till | Unnamed Igneous Intrusion, Ordovician to Silurian - Felsic-Rock |
| 235M 1705y to 236M 1265y | Diamicton | Till | Argyll Group - Psammite, Semipelite and Pelite |
| 236M 1265y to 237M 0165y | Diamicton | Till | Unnamed Igneous Intrusion, Late Silurian to Early Devonian - Pyroclastic-Rock |
| 237M 0165y to 237M 1045y | Diamicton | Till | Argyll Group - Psammite, Semipelite and Pelite |
| 237M 1045y to 238M 1375y | Argyll Group - Psammite, Semipelite and Pelite | ||
| 238M 1375y to 240M 0385y | Sand and Gravel | Glacial Sand and Gravel | Argyll Group - Psammite, Semipelite and Pelite |
| 240M 0385y to 240M 0825y | Clay, Silt and Sand | Alluvium | Argyll Group - Psammite, Semipelite and Pelite |
| 240M 0825y to 240M 1045y | Argyll Group - Psammite, Semipelite and Pelite | ||
| 240M 1045y to 240M 1265y | Old Red Sandstone Supergroup - Conglomerate, Sandstone, Siltstone and Mudstone | ||
| 240M 1265y to 241M 0055y | Sand and Gravel | Glacial Sand and Gravel | Old Red Sandstone Supergroup - Conglomerate, Sandstone, Siltstone and Mudstone |
| 241M 0055y to 241M 0227y | Sand and Gravel | Glacial Sand and Gravel | Unnamed Igneous Intrusion, Ordovician to Silurian - Felsic-Rock |