Geology for ELR CBC2 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 |
|---|---|---|---|
| 0M -010y to 0M 0715y | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ | ||
| 0M 0715y to 0M 0825y | Warwickshire Group - Siltstone and Sandstone with Subordinate Mudstone | ||
| 0M 0825y to 0M 1375y | |||
| 0M 1375y to 1M 0385y | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ | ||
| 1M 0385y to 1M 0605y | |||
| 1M 0605y to 1M 1045y | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ | ||
| 1M 1045y to 2M 0605y | Diamicton | Till | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |
| 2M 0605y to 2M 0715y | Diamicton | Till | |
| 2M 0715y to 2M 1045y | Diamicton | Till | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |
| 2M 1045y to 2M 1265y | Diamicton | Till | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 2M 1265y to 4M 0055y | Diamicton | Till | |
| 4M 0055y to 4M 0275y | Sand and Gravel | Glacial Sand and Gravel | |
| 4M 0275y to 4M 0385y | Sand and Gravel | Glacial Sand and Gravel | Yoredale Group - Limestone, Sandstone, Siltstone and Mudstone |
| 4M 0385y to 4M 0605y | Sand and Gravel | Glacial Sand and Gravel | |
| 4M 0605y to 4M 1595y | Sand and Gravel | Glacial Sand and Gravel | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 4M 1595y to 5M 0825y | Sand and Gravel | Glacial Sand and Gravel | |
| 5M 0825y to 5M 1045y | Sand and Gravel | Glacial Sand and Gravel | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 5M 1045y to 5M 1155y | Sand and Gravel | Glacial Sand and Gravel | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |
| 5M 1155y to 6M 1265y | Sand and Gravel | Raised Marine Deposits Ⓤ | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |
| 6M 1265y to 7M 0275y | Clay, Silt and Sand | Alluvium | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |
| 7M 0275y to 7M 1485y | Sand and Gravel | Raised Marine Deposits Ⓤ | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |
| 7M 1485y to 9M 0385y | Sand and Gravel | Raised Marine Deposits Ⓤ | |
| 9M 0385y to 9M 0715y | Sand and Gravel | Raised Marine Deposits Ⓤ | Pennine Upper Coal Measures Formation - Mudstone, Siltstone, Sandstone, Coal, Ironstone and Ferricrete |
| 9M 0715y to 9M 0935y | Sand and Gravel | Raised Marine Deposits Ⓤ | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 9M 0935y to 10M 0495y | Sand and Gravel | Raised Marine Deposits Ⓤ | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |
| 10M 0495y to 10M 1375y | Sand and Gravel | Raised Marine Deposits Ⓤ | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 10M 1375y to 11M 0605y | Sand and Gravel | Raised Marine Deposits Ⓤ | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |
| 11M 0605y to 12M 0055y | Sand and Gravel | Raised Marine Deposits Ⓤ | Pennine Upper Coal Measures Formation - Mudstone, Siltstone, Sandstone, Coal, Ironstone and Ferricrete |
| 12M 0055y to 12M 0113y | Sand and Gravel | Raised Marine Deposits Ⓤ | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |