Geology for ELR ANN 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 |
|---|---|---|---|
| 39M 0934y to 41M 0385y | Sand and Gravel | Raised Marine Deposits Ⓤ | Scottish Coal Measures Group - Mudstone, Siltstone, Sandstone, Coal, Ironstone and Ferricrete |
| 41M 0385y to 42M 0715y | Sand and Gravel | Raised Marine Deposits Ⓤ | Unnamed Igneous Intrusion, Palaeogene - Mafic Igneous-Rock |
| 42M 0715y to 42M 1265y | Diamicton | Till | Unnamed Igneous Intrusion, Palaeogene - Mafic Igneous-Rock |
| 42M 1265y to 45M 1375y | Diamicton | Till | Scottish Coal Measures Group - Mudstone, Siltstone, Sandstone, Coal, Ironstone and Ferricrete |
| 45M 1375y to 45M 1595y | Scottish Coal Measures Group - Mudstone, Siltstone, Sandstone, Coal, Ironstone and Ferricrete | ||
| 45M 1595y to 46M 0715y | Unnamed Extrusive Rocks, Permian - Mafic Lava and Mafic Tuff | ||
| 46M 0715y to 46M 1045y | Stewartry Group - Sandstone, Breccia and Conglomerate | ||
| 46M 1045y to 46M 1155y | Diamicton | Till | Stewartry Group - Sandstone, Breccia and Conglomerate |
| 46M 1155y to 47M 0385y | Stewartry Group - Sandstone, Breccia and Conglomerate | ||
| 47M 0385y to 50M 0453y | Diamicton | Till | Stewartry Group - Sandstone, Breccia and Conglomerate |