Geology for ELR CFM 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 |
|---|---|---|---|
| 10M 0437y to 11M 1595y | Clay | Lacustrine Deposits Ⓤ | Permian Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 11M 1595y to 12M 0055y | Permian Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 12M 0055y to 12M 0715y | Zechstein Group - Dolomitised Limestone and Dolomite | ||
| 12M 0715y to 12M 1155y | Diamicton | Till | Zechstein Group - Dolomitised Limestone and Dolomite |
| 12M 1155y to 13M 1045y | Zechstein Group - Dolomitised Limestone and Dolomite | ||
| 13M 1045y to 13M 1265y | Diamicton | Till | Permian Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 13M 1265y to 13M 1595y | Diamicton | Till | Zechstein Group - Dolomitised Limestone and Dolomite |
| 13M 1595y to 15M 1391y | Zechstein Group - Dolomitised Limestone and Dolomite |