Geology for ELR ECA2 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 |
|---|---|---|---|
| 74M 0197y to 74M 0605y | Sand and Gravel | Glacial Sand and Gravel | Unnamed Extrusive Rocks, Dinantian - Mafic Lava and Mafic Tuff |
| 74M 0605y to 75M 0055y | Sand and Gravel | Glacial Sand and Gravel | Strathclyde Group - Sedimentary Rock Cycles, Strathclyde Group Type |
| 75M 0055y to 75M 0825y | Peat | Peat | Strathclyde Group - Sedimentary Rock Cycles, Strathclyde Group Type |
| 75M 0825y to 77M 0165y | Peat | Peat | Unnamed Extrusive Rocks, Dinantian - Mafic Lava and Mafic Tuff |
| 77M 0165y to 78M 0495y | Peat | Peat | Strathclyde Group - Sedimentary Rock Cycles, Strathclyde Group Type |
| 78M 0495y to 79M 1045y | Diamicton | Till | Strathclyde Group - Sedimentary Rock Cycles, Strathclyde Group Type |
| 79M 1045y to 80M 0605y | Diamicton | Till | Clackmannan Group - Sedimentary Rock Cycles, Clackmannan Group Type |
| 80M 0605y to 80M 1155y | Peat | Peat | Clackmannan Group - Sedimentary Rock Cycles, Clackmannan Group Type |
| 80M 1155y to 82M 0495y | Diamicton | Till | Clackmannan Group - Sedimentary Rock Cycles, Clackmannan Group Type |
| 82M 0495y to 82M 1045y | Peat | Peat | Clackmannan Group - Sedimentary Rock Cycles, Clackmannan Group Type |
| 82M 1045y to 82M 1265y | Peat | Peat | Strathclyde Group - Sedimentary Rock Cycles, Strathclyde Group Type |
| 82M 1265y to 86M 1375y | Diamicton | Till | Strathclyde Group - Sedimentary Rock Cycles, Strathclyde Group Type |
| 86M 1375y to 88M 0275y | Diamicton | Till | Unnamed Extrusive Rocks, Dinantian - Mafic Lava and Mafic Tuff |
| 88M 0275y to 89M 0275y | Diamicton | Till | Inverclyde Group - Sandstone, Siltstone and Mudstone |
| 89M 0275y to 89M 0385y | Diamicton | Till | Unnamed Igneous Intrusion, Carboniferous to Permian - Mafic Igneous-Rock |
| 89M 0385y to 89M 0605y | Unnamed Igneous Intrusion, Carboniferous to Permian - Mafic Igneous-Rock | ||
| 89M 0605y to 89M 1045y | Inverclyde Group - Sandstone, Siltstone and Mudstone | ||
| 89M 1045y to 89M 1705y | Strathclyde Group - Sedimentary Rock Cycles, Strathclyde Group Type | ||
| 89M 1705y to 90M 0165y | Inverclyde Group - Sandstone, Siltstone and Mudstone | ||
| 90M 0165y to 90M 0495y | Unnamed Igneous Intrusion, Carboniferous to Permian - Mafic Igneous-Rock | ||
| 90M 0495y to 90M 0825y | Strathclyde Group - Sedimentary Rock Cycles, Strathclyde Group Type | ||
| 90M 0825y to 93M 0055y | Diamicton | Till | Strathclyde Group - Sedimentary Rock Cycles, Strathclyde Group Type |
| 93M 0055y to 93M 1045y | Strathclyde Group - Sedimentary Rock Cycles, Strathclyde Group Type | ||
| 93M 1045y to 94M 1045y | Diamicton | Till | Inverclyde Group - Sandstone, Siltstone and Mudstone |
| 94M 1045y to 99M 0017y | Diamicton | Till | Strathclyde Group - Sedimentary Rock Cycles, Strathclyde Group Type |