Geology for ELR BRD 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 |
|---|---|---|---|
| 101M 1401y to 102M 0275y | Clay, Silt and Sand | Alluvium | Clackmannan Group - Sedimentary Rock Cycles, Clackmannan Group Type |
| 102M 0275y to 102M 0495y | Clay, Silt and Sand | Alluvium | Scottish Coal Measures Group - Mudstone, Siltstone, Sandstone, Coal, Ironstone and Ferricrete |
| 102M 0495y to 102M 1045y | Clay, Silt and Sand | Alluvium | Clackmannan Group - Sedimentary Rock Cycles, Clackmannan Group Type |
| 102M 1045y to 102M 1392y | Sand and Gravel | Raised Marine Deposits Ⓤ | Clackmannan Group - Sedimentary Rock Cycles, Clackmannan Group Type |