Geology for ELR TJC2 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 |
|---|---|---|---|
| 160M 0709y to 161M 1375y | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ | ||
| 161M 1375y to 162M 0715y | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ | ||
| 162M 0715y to 163M 1653y | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |