See detailed information for ELR WBS3
⚠️ Geology shown below is based on British Geological Survey (BGS) low-resolution data sampled at 100 metre intervals along the ELR. The geology relative to the mileages should not be treated as accurate or complete. Data marked with Ⓤ is classed as undifferentiated by the BGS.
| Mileage | Material | Deposit | Bedrock |
|---|---|---|---|
| 17M 1738y to 17M 1749y | Diamicton | Till | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 17M 1749y to 20M 0825y | Diamicton | Till | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |
| 20M 0825y to 20M 1265y | Diamicton | Till | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 20M 1265y to 21M 1485y | Clay, Silt and Sand | Alluvium | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 21M 1485y to 23M 1045y | Diamicton | Till | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 23M 1045y to 24M 0825y | Diamicton | Till | Millstone Grit Group - Mudstone, Siltstone and Sandstone |
| 24M 0825y to 24M 1705y | Clay, Silt and Sand | Alluvium | Millstone Grit Group - Mudstone, Siltstone and Sandstone |
| 24M 1705y to 25M 1155y | Clay, Silt and Sand | Alluvium | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 25M 1155y to 25M 1485y | Peat | Peat | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 25M 1485y to 26M 0165y | Peat | Peat | Permian Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 26M 0165y to 26M 1595y | Peat | Peat | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 26M 1595y to 27M 0605y | Sand | Blown Sand | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 27M 0605y to 27M 1485y | Sand | Blown Sand | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 27M 1485y to 28M 1045y | Sand | Blown Sand | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 28M 1045y to 29M 0495y | Sand | Blown Sand | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 29M 0495y to 29M 1375y | Peat | Peat | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 29M 1375y to 30M 0165y | Sand | Blown Sand | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 30M 0165y to 33M 0605y | Peat | Peat | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 33M 0605y to 34M 0825y | Clay, Silt and Sand | Alluvium | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 34M 0825y to 34M 1485y | Sand | Blown Sand | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 34M 1485y to 35M 0165y | Clay, Silt and Sand | Alluvium | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 35M 0165y to 35M 0626y | Sand | Blown Sand | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |