See detailed information for ELR HGL2
⚠️ 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 |
|---|---|---|---|
| 6M 1755y to 9M 1045y | Diamicton | Till | Strathmore Group - Sandstone with Subordinate Conglomerate, Siltstone and Mudstone |
| 9M 1045y to 11M 0715y | Sand and Gravel | Glacial Sand and Gravel | Strathmore Group - Sandstone with Subordinate Conglomerate, Siltstone and Mudstone |
| 11M 0715y to 13M 1485y | Sand and Gravel | Glacial Sand and Gravel | Arbuthnott-Garvock Group - Sandstone with Subordinate Conglomerate, Siltstone and Mudstone |
| 13M 1485y to 14M 1155y | Sand and Gravel | Glacial Sand and Gravel | Southern Highland Group - Psammite and Pelite |
| 14M 1155y to 14M 1485y | Sand and Gravel | Glacial Sand and Gravel | Southern Highland Group - Pelite |
| 14M 1485y to 15M 1705y | Sand and Gravel | Glacial Sand and Gravel | Southern Highland Group - Psammite and Pelite |
| 15M 1705y to 27M 0165y | Clay, Silt and Sand | Alluvium | Southern Highland Group - Psammite and Pelite |
| 27M 0165y to 28M 0055y | Sand and Gravel | Glacial Sand and Gravel | Southern Highland Group - Psammite and Pelite |
| 28M 0055y to 28M 1375y | Clay, Silt and Sand | Alluvium | Southern Highland Group - Psammite and Pelite |
| 28M 1375y to 28M 1595y | Diamicton | Till | Argyll Group - Metalimestone |
| 28M 1595y to 29M 0495y | Diamicton | Till | Argyll Group - Psammite, Semipelite and Pelite |
| 29M 0495y to 29M 0605y | Clay, Silt and Sand | Alluvium | Argyll Group - Psammite, Semipelite and Pelite |
| 29M 0605y to 29M 1265y | Clay, Silt and Sand | Alluvium | Unnamed Extrusive Rocks, Neoproterozoic - Mafic Lava and Mafic Tuff |
| 29M 1265y to 30M 0935y | Clay, Silt and Sand | Alluvium | Argyll Group - Psammite, Semipelite and Pelite |
| 30M 0935y to 31M 0935y | Argyll Group - Psammite, Semipelite and Pelite | ||
| 31M 0935y to 31M 1045y | Diamicton | Till | Argyll Group - Psammite, Semipelite and Pelite |
| 31M 1045y to 33M 1155y | Clay, Silt and Sand | Alluvium | Argyll Group - Psammite, Semipelite and Pelite |
| 33M 1155y to 33M 1265y | Clay, Silt and Sand | Alluvium | Appin Group - Graphitic Pelite, Calcareous Pelite, Calcsilicate-rock and Psammite |
| 33M 1265y to 33M 1595y | Clay, Silt and Sand | Alluvium | Appin Group - Metalimestone |
| 33M 1595y to 34M 0165y | Clay, Silt and Sand | Alluvium | Appin Group - Graphitic Pelite, Calcareous Pelite, Calcsilicate-rock and Psammite |
| 34M 0165y to 34M 0715y | Clay, Silt and Sand | Alluvium | Appin Group - Metalimestone |
| 34M 0715y to 35M 0935y | Clay, Silt and Sand | Alluvium | Appin Group - Graphitic Pelite, Calcareous Pelite, Calcsilicate-rock and Psammite |
| 35M 0935y to 36M 0055y | Clay, Silt and Sand | Alluvium | Appin Group - Metalimestone |
| 36M 0055y to 36M 0385y | Clay, Silt and Sand | Alluvium | Appin Group - Graphitic Pelite, Calcareous Pelite, Calcsilicate-rock and Psammite |
| 36M 0385y to 36M 0495y | Diamicton | Till | Appin Group - Graphitic Pelite, Calcareous Pelite, Calcsilicate-rock and Psammite |
| 36M 0495y to 36M 1045y | Diamicton | Till | Appin Group - Quartzite |
| 36M 1045y to 36M 1375y | Diamicton | Till | Appin Group - Graphitic Pelite, Calcareous Pelite, Calcsilicate-rock and Psammite |
| 36M 1375y to 37M 0715y | Diamicton | Till | Grampian Group - Psammite and Semipelite |
| 37M 0715y to 37M 1375y | Diamicton | Till | Grampian Group - Quartzite |
| 37M 1375y to 42M 0605y | Diamicton | Till | Grampian Group - Psammite and Semipelite |
| 42M 0605y to 45M 1155y | Clay, Silt and Sand | Alluvium | Grampian Group - Psammite and Semipelite |
| 45M 1155y to 45M 1375y | Grampian Group - Psammite and Semipelite | ||
| 45M 1375y to 45M 1595y | Diamicton | Till | Grampian Group - Psammite and Semipelite |
| 45M 1595y to 46M 0055y | Grampian Group - Psammite and Semipelite | ||
| 46M 0055y to 46M 1265y | Diamicton | Till | Grampian Group - Psammite and Semipelite |
| 46M 1265y to 47M 1375y | Grampian Group - Psammite and Semipelite | ||
| 47M 1375y to 54M 0935y | Diamicton | Till | Grampian Group - Psammite and Semipelite |
| 54M 0935y to 54M 1705y | Grampian Group - Psammite and Semipelite | ||
| 54M 1705y to 55M 1595y | Diamicton | Till | Grampian Group - Psammite and Semipelite |
| 55M 1595y to 56M 1155y | Grampian Group - Psammite and Semipelite | ||
| 56M 1155y to 57M 1045y | Diamicton | Till | Grampian Group - Psammite and Semipelite |
| 57M 1045y to 58M 0605y | Clay, Silt and Sand | Alluvium | Grampian Group - Psammite and Semipelite |
| 58M 0605y to 58M 1485y | Diamicton | Till | Grampian Group - Psammite and Semipelite |
| 58M 1485y to 62M 0825y | Clay, Silt and Sand | Alluvium | Grampian Group - Psammite and Semipelite |
| 62M 0825y to 63M 0605y | Diamicton | Till | Grampian Group - Psammite and Semipelite |
| 63M 0605y to 73M 0715y | Clay, Silt and Sand | Alluvium | Grampian Group - Psammite and Semipelite |
| 73M 0715y to 75M 0605y | Sand and Gravel | Glacial Sand and Gravel | Grampian Group - Psammite and Semipelite |
| 75M 0605y to 75M 1705y | Diamicton | Till | Grampian Group - Psammite and Semipelite |
| 75M 1705y to 76M 1705y | Sand and Gravel | Glacial Sand and Gravel | Grampian Group - Psammite and Semipelite |
| 76M 1705y to 77M 0715y | Sand and Gravel | Glacial Sand and Gravel | Moine Supergroup - Gneissose Psammite and Gneissose Semipelite |
| 77M 0715y to 81M 1265y | Sand and Gravel | Glacial Sand and Gravel | Grampian Group - Psammite and Semipelite |
| 81M 1265y to 81M 1485y | Grampian Group - Psammite and Semipelite | ||
| 81M 1485y to 82M 0715y | Moine Supergroup - Gneissose Psammite and Gneissose Semipelite | ||
| 82M 0715y to 82M 0825y | Clay, Silt and Sand | Alluvium | Moine Supergroup - Gneissose Psammite and Gneissose Semipelite |
| 82M 0825y to 83M 0165y | Sand and Gravel | Glacial Sand and Gravel | Moine Supergroup - Gneissose Psammite and Gneissose Semipelite |
| 83M 0165y to 86M 0935y | Sand and Gravel | Glacial Sand and Gravel | Grampian Group - Psammite and Semipelite |
| 86M 0935y to 86M 1155y | Sand and Gravel | Glacial Sand and Gravel | Unnamed Igneous Intrusion, Late Silurian to Early Devonian - Felsic-rock |
| 86M 1155y to 86M 1595y | Unnamed Igneous Intrusion, Late Silurian to Early Devonian - Felsic-rock | ||
| 86M 1595y to 87M 0055y | Diamicton | Till | Unnamed Igneous Intrusion, Late Silurian to Early Devonian - Felsic-rock |
| 87M 0055y to 87M 0825y | Diamicton | Till | Moine Supergroup - Gneissose Psammite and Gneissose Semipelite |
| 87M 0825y to 88M 0605y | Sand and Gravel | Glacial Sand and Gravel | Moine Supergroup - Gneissose Psammite and Gneissose Semipelite |
| 88M 0605y to 89M 1485y | Diamicton | Till | Moine Supergroup - Gneissose Psammite and Gneissose Semipelite |
| 89M 1485y to 90M 0495y | Clay, Silt and Sand | Alluvium | Moine Supergroup - Gneissose Psammite and Gneissose Semipelite |
| 90M 0495y to 90M 1375y | Diamicton | Till | Moine Supergroup - Gneissose Psammite and Gneissose Semipelite |
| 90M 1375y to 91M 0825y | Moine Supergroup - Gneissose Psammite and Gneissose Semipelite | ||
| 91M 0825y to 92M 0385y | Diamicton | Till | Moine Supergroup - Gneissose Psammite and Gneissose Semipelite |
| 92M 0385y to 92M 1595y | Peat | Peat | Moine Supergroup - Gneissose Psammite and Gneissose Semipelite |
| 92M 1595y to 93M 0495y | Diamicton | Till | Moine Supergroup - Gneissose Psammite and Gneissose Semipelite |
| 93M 0495y to 93M 1375y | Moine Supergroup - Gneissose Psammite and Gneissose Semipelite | ||
| 93M 1375y to 94M 1375y | Clay, Silt and Sand | Alluvium | Moine Supergroup - Gneissose Psammite and Gneissose Semipelite |
| 94M 1375y to 95M 0165y | Moine Supergroup - Gneissose Psammite and Gneissose Semipelite | ||
| 95M 0165y to 95M 0275y | Moine Supergroup - Semipelite | ||
| 95M 0275y to 95M 0385y | Moine Supergroup - Gneissose Psammite and Gneissose Semipelite | ||
| 95M 0385y to 95M 0495y | Diamicton | Till | Moine Supergroup - Gneissose Psammite and Gneissose Semipelite |
| 95M 0495y to 95M 0935y | Diamicton | Till | Moine Supergroup - Semipelite |
| 95M 0935y to 97M 0605y | Diamicton | Till | Moine Supergroup - Gneissose Psammite and Gneissose Semipelite |
| 97M 0605y to 97M 1375y | Diamicton | Till | Unnamed Igneous Intrusion, Late Silurian to Early Devonian - Felsic-rock |
| 97M 1375y to 98M 0275y | Clay, Silt and Sand | Alluvium | Unnamed Igneous Intrusion, Late Silurian to Early Devonian - Felsic-rock |
| 98M 0275y to 98M 0715y | Unnamed Igneous Intrusion, Late Silurian to Early Devonian - Felsic-rock | ||
| 98M 0715y to 99M 0495y | Clay, Silt and Sand | Alluvium | Unnamed Igneous Intrusion, Late Silurian to Early Devonian - Felsic-rock |
| 99M 0495y to 100M 0165y | Diamicton | Till | Unnamed Igneous Intrusion, Late Silurian to Early Devonian - Felsic-rock |
| 100M 0165y to 100M 0825y | Sand and Gravel | Glacial Sand and Gravel | Unnamed Igneous Intrusion, Late Silurian to Early Devonian - Felsic-rock |
| 100M 0825y to 101M 0055y | Clay, Silt and Sand | Alluvium | Moine Supergroup - Gneissose Psammite and Gneissose Semipelite |
| 101M 0055y to 102M 0165y | Sand and Gravel | Glacial Sand and Gravel | Moine Supergroup - Gneissose Psammite and Gneissose Semipelite |
| 102M 0165y to 102M 0385y | Unknown Lithology | Drift Geology Not Mapped | Moine Supergroup - Gneissose Psammite and Gneissose Semipelite |
| 102M 0385y to 102M 0605y | Sand and Gravel | Glacial Sand and Gravel | Moine Supergroup - Gneissose Psammite and Gneissose Semipelite |
| 102M 0605y to 102M 1155y | Clay, Silt and Sand | Alluvium | Moine Supergroup - Gneissose Psammite and Gneissose Semipelite |
| 102M 1155y to 102M 1705y | Sand and Gravel | Glacial Sand and Gravel | Moine Supergroup - Gneissose Psammite and Gneissose Semipelite |
| 102M 1705y to 103M 0935y | Clay, Silt and Sand | Alluvium | Moine Supergroup - Gneissose Psammite and Gneissose Semipelite |
| 103M 0935y to 103M 1155y | Sand and Gravel | Glacial Sand and Gravel | Moine Supergroup - Gneissose Psammite and Gneissose Semipelite |
| 103M 1155y to 103M 1265y | Clay, Silt and Sand | Alluvium | Moine Supergroup - Gneissose Psammite and Gneissose Semipelite |
| 103M 1265y to 103M 1485y | Clay, Silt and Sand | Alluvium | Unnamed Igneous Intrusion, Ordovician to Silurian - Felsic-rock |
| 103M 1485y to 104M 1045y | Diamicton | Till | Unnamed Igneous Intrusion, Ordovician to Silurian - Felsic-rock |
| 104M 1045y to 105M 0825y | Sand and Gravel | Glacial Sand and Gravel | Unnamed Igneous Intrusion, Ordovician to Silurian - Felsic-rock |
| 105M 0825y to 105M 1705y | Diamicton | Till | Unnamed Igneous Intrusion, Ordovician to Silurian - Felsic-rock |
| 105M 1705y to 106M 0165y | Sand and Gravel | Glacial Sand and Gravel | Unnamed Igneous Intrusion, Ordovician to Silurian - Felsic-rock |
| 106M 0165y to 106M 0605y | Diamicton | Till | Unnamed Igneous Intrusion, Ordovician to Silurian - Felsic-rock |
| 106M 0605y to 106M 1155y | Unnamed Igneous Intrusion, Ordovician to Silurian - Felsic-rock | ||
| 106M 1155y to 106M 1705y | Sand and Gravel | Glacial Sand and Gravel | Unnamed Igneous Intrusion, Ordovician to Silurian - Felsic-rock |
| 106M 1705y to 108M 0605y | Sand and Gravel | Glacial Sand and Gravel | Moine Supergroup - Gneissose Psammite and Gneissose Semipelite |
| 108M 0605y to 109M 0495y | Sand and Gravel | Glacial Sand and Gravel | Middle Old Red Sandstone Ⓤ - Conglomerate, Sandstone, Siltstone and Mudstone |
| 109M 0495y to 110M 1265y | Clay, Silt and Sand | Alluvium | Middle Old Red Sandstone Ⓤ - Conglomerate, Sandstone, Siltstone and Mudstone |
| 110M 1265y to 112M 1705y | Diamicton | Till | Middle Old Red Sandstone Ⓤ - Conglomerate, Sandstone, Siltstone and Mudstone |
| 112M 1705y to 116M 0825y | Sand and Gravel | Glacial Sand and Gravel | Middle Old Red Sandstone Ⓤ - Conglomerate, Sandstone, Siltstone and Mudstone |
| 116M 0825y to 116M 0935y | Sand and Gravel | Raised Marine Deposits Ⓤ | Middle Old Red Sandstone Ⓤ - Conglomerate, Sandstone, Siltstone and Mudstone |
| 116M 0935y to 117M 0605y | Middle Old Red Sandstone Ⓤ - Conglomerate, Sandstone, Siltstone and Mudstone | ||
| 117M 0605y to 118M 0241y | Sand and Gravel | Raised Marine Deposits Ⓤ | Middle Old Red Sandstone Ⓤ - Conglomerate, Sandstone, Siltstone and Mudstone |