Geology for ELR BSD6 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 |
|---|---|---|---|
| 7M 1336y to 7M 1595y | Diamicton | Till | Wenlock Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 7M 1595y to 7M 1705y | Wenlock Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 7M 1705y to 8M 0275y | Diamicton | Till | Wenlock Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 8M 0275y to 8M 0575y | Diamicton | Till | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |