Geology for ELR MKB2 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 |
|---|---|---|---|
| 175M 1559y to 176M 0463y | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |