Geology for ELR WAG1 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 |
|---|---|---|---|
| 47M 0752y to 47M 0825y | Clay, Silt and Sand | Alluvium | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |
| 47M 0825y to 48M 0385y | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ | ||
| 48M 0385y to 48M 1155y | Clay, Silt and Sand | Alluvium | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |
| 48M 1155y to 56M 1155y | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ | ||
| 56M 1155y to 57M 0715y | Zechstein Group - Dolomitised Limestone and Dolomite | ||
| 57M 0715y to 57M 1595y | Permian Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 57M 1595y to 58M 0385y | Sand and Gravel | River Terrace Deposits Ⓤ | Permian Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 58M 0385y to 58M 0715y | Permian Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 58M 0715y to 59M 0055y | Zechstein Group - Dolomitised Limestone and Dolomite | ||
| 59M 0055y to 59M 0495y | Permian Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 59M 0495y to 59M 1155y | Clay | Lacustrine Deposits Ⓤ | Permian Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 59M 1155y to 59M 1595y | Clay | Lacustrine Deposits Ⓤ | Zechstein Group - Dolomitised Limestone and Dolomite |
| 59M 1595y to 60M 1265y | Clay | Lacustrine Deposits Ⓤ | Permian Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 60M 1265y to 63M 0385y | Clay | Lacustrine Deposits Ⓤ | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 63M 0385y to 64M 0715y | Sand and Gravel | Glacial Sand and Gravel | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 64M 0715y to 64M 1485y | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded | ||
| 64M 1485y to 65M 0715y | Sand and Gravel | Glacial Sand and Gravel | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 65M 0715y to 66M 1595y | Clay | Lacustrine Deposits Ⓤ | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 66M 1595y to 67M 0935y | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded | ||
| 67M 0935y to 68M 0935y | Clay, Silt and Sand | Alluvium | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 68M 0935y to 69M 0385y | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded | ||
| 69M 0385y to 70M 0165y | Clay, Silt and Sand | Alluvium | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 70M 0165y to 72M 0165y | Clay | Lacustrine Deposits Ⓤ | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 72M 0165y to 73M 1187y | Clay, Silt and Sand | Alluvium | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |