Geology for ELR RHD2 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 |
|---|---|---|---|
| 0M 1711y to 1M 0165y | Unnamed Igneous Intrusion, Carboniferous to Permian - Dolerite and Tholeiitic Basalt | ||
| 1M 0165y to 1M 1656y | Strathclyde Group - Sedimentary Rock Cycles, Strathclyde Group Type |