Geology for ELR GOU2 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 |
|---|---|---|---|
| 107M 1468y to 108M 1265y | Sand and Gravel | Raised Marine Deposits Ⓤ | Strathclyde Group - Sedimentary Rock Cycles, Strathclyde Group Type |
| 108M 1265y to 110M 1485y | Sand and Gravel | Raised Marine Deposits Ⓤ | Clackmannan Group - Sedimentary Rock Cycles, Clackmannan Group Type |
| 110M 1485y to 111M 1155y | Peat | Peat | Clackmannan Group - Sedimentary Rock Cycles, Clackmannan Group Type |
| 111M 1155y to 112M 0055y | Sand and Gravel | Raised Marine Deposits Ⓤ | Clackmannan Group - Sedimentary Rock Cycles, Clackmannan Group Type |
| 112M 0055y to 113M 0385y | Sand and Gravel | Raised Marine Deposits Ⓤ | Strathclyde Group - Sedimentary Rock Cycles, Strathclyde Group Type |
| 113M 0385y to 113M 0605y | Diamicton | Till | Strathclyde Group - Sedimentary Rock Cycles, Strathclyde Group Type |
| 113M 0605y to 113M 1705y | Unnamed Extrusive Rocks, Dinantian - Mafic Lava and Mafic Tuff | ||
| 113M 1705y to 114M 0605y | Sand and Gravel | Raised Marine Deposits Ⓤ | Unnamed Extrusive Rocks, Dinantian - Mafic Lava and Mafic Tuff |
| 114M 0605y to 117M 1155y | Unnamed Extrusive Rocks, Dinantian - Mafic Lava and Mafic Tuff | ||
| 117M 1155y to 120M 0825y | Inverclyde Group - Sandstone, Siltstone and Mudstone | ||
| 120M 0825y to 121M 0495y | Sand and Gravel | Raised Marine Deposits Ⓤ | Inverclyde Group - Sandstone, Siltstone and Mudstone |
| 121M 0495y to 121M 1155y | Inverclyde Group - Sandstone, Siltstone and Mudstone | ||
| 121M 1155y to 122M 0715y | Sand and Gravel | Raised Marine Deposits Ⓤ | Inverclyde Group - Sandstone, Siltstone and Mudstone |
| 122M 0715y to 123M 0055y | Inverclyde Group - Sandstone, Siltstone and Mudstone | ||
| 123M 0055y to 123M 0385y | Sand and Gravel | Raised Marine Deposits Ⓤ | Inverclyde Group - Sandstone, Siltstone and Mudstone |
| 123M 0385y to 123M 0825y | Diamicton | Till | Inverclyde Group - Sandstone, Siltstone and Mudstone |
| 123M 0825y to 123M 0935y | Sand and Gravel | Raised Marine Deposits Ⓤ | Inverclyde Group - Sandstone, Siltstone and Mudstone |
| 123M 0935y to 124M 1045y | Diamicton | Till | Inverclyde Group - Sandstone, Siltstone and Mudstone |
| 124M 1045y to 125M 0275y | Inverclyde Group - Sandstone, Siltstone and Mudstone | ||
| 125M 0275y to 125M 0605y | Sand and Gravel | Raised Marine Deposits Ⓤ | Inverclyde Group - Sandstone, Siltstone and Mudstone |
| 125M 0605y to 125M 0935y | Sand and Gravel | Raised Marine Deposits Ⓤ | Stratheden Group - Sandstone and Conglomerate, Interbedded |
| 125M 0935y to 125M 1265y | Sand and Gravel | Raised Marine Deposits Ⓤ | Inverclyde Group - Sandstone, Siltstone and Mudstone |
| 125M 1265y to 126M 0055y | Sand and Gravel | Raised Marine Deposits Ⓤ | |
| 126M 0055y to 126M 0715y | Sand and Gravel | Raised Marine Deposits Ⓤ | Inverclyde Group - Sandstone, Siltstone and Mudstone |
| 126M 0715y to 126M 1265y | Inverclyde Group - Sandstone, Siltstone and Mudstone | ||
| 126M 1265y to 126M 1331y | Unnamed Igneous Intrusion, Carboniferous to Permian - Felsic-Rock |