See detailed information for ELR BHM
⚠️ Geology shown below is based on British Geological Survey (BGS) low-resolution data sampled at 100 metre intervals along the ELR. The geology relative to the mileages should not be treated as accurate or complete. Data marked with Ⓤ is classed as undifferentiated by the BGS.
| Mileage | Material | Deposit | Bedrock |
|---|---|---|---|
| 149M 0613y to 149M 0715y | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ | ||
| 149M 0715y to 149M 1164y | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |