Geology for ELR FAL1 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 |
|---|---|---|---|
| 301M 0538y to 301M 0825y | Middle Devonian Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 301M 0825y to 304M 1045y | Upper Devonian Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 304M 1045y to 304M 1485y | Clay, Silt and Sand | Alluvium | Upper Devonian Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 304M 1485y to 307M 1155y | Upper Devonian Rocks Ⓤ - Mudstone, Siltstone and Sandstone |