Geology for ELR PBS3 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 |
|---|---|---|---|
| 140M 0876y to 140M 1375y | Permian Rocks Ⓤ - Sandstone and Conglomerate, Interbedded | ||
| 140M 1375y to 141M 0165y | Zechstein Group - Dolomitised Limestone and Dolomite | ||
| 141M 0165y to 141M 0495y | Permian Rocks Ⓤ - Sandstone and Conglomerate, Interbedded | ||
| 141M 0495y to 141M 1045y | Zechstein Group - Dolomitised Limestone and Dolomite | ||
| 141M 1045y to 141M 1595y | Permian Rocks Ⓤ - Sandstone and Conglomerate, Interbedded | ||
| 141M 1595y to 143M 0882y | Zechstein Group - Dolomitised Limestone and Dolomite |