Geology for ELR ECM5 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 -011y to 0M 0055y | Sand and Gravel | Glacial Sand and Gravel | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 0M 0055y to 0M 1595y | Clay, Silt and Sand | Alluvium | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 0M 1595y to 1M 1485y | Sand and Gravel | Glacial Sand and Gravel | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 1M 1485y to 3M 0385y | Clay, Silt and Sand | Alluvium | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 3M 0385y to 5M 0275y | Clay | Lacustrine Deposits Ⓤ | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 5M 0275y to 5M 0825y | Diamicton | Till | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 5M 0825y to 12M 1705y | Clay | Lacustrine Deposits Ⓤ | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 12M 1705y to 13M 0605y | Clay | Lacustrine Deposits Ⓤ | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 13M 0605y to 13M 1265y | Sand and Gravel | Glacial Sand and Gravel | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 13M 1265y to 17M 0715y | Clay | Lacustrine Deposits Ⓤ | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 17M 0715y to 18M 0935y | Clay | Lacustrine Deposits Ⓤ | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 18M 0935y to 19M 0715y | Clay | Lacustrine Deposits Ⓤ | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 19M 0715y to 19M 1155y | Clay, Silt and Sand | Alluvium | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 19M 1155y to 20M 0385y | Clay | Lacustrine Deposits Ⓤ | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 20M 0385y to 21M 1705y | Sand and Gravel | Glacial Sand and Gravel | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 21M 1705y to 23M 0495y | Sand and Gravel | Glacial Sand and Gravel | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 23M 0495y to 26M 1265y | Sand and Gravel | Glacial Sand and Gravel | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 26M 1265y to 28M 0165y | Diamicton | Till | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 28M 0165y to 30M 0275y | Sand and Gravel | Glacial Sand and Gravel | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 30M 0275y to 31M 1485y | Diamicton | Till | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 31M 1485y to 34M 1375y | Diamicton | Till | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 34M 1375y to 35M 0495y | Clay, Silt and Sand | Alluvium | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 35M 0495y to 40M 0385y | Diamicton | Till | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 40M 0385y to 40M 1155y | Diamicton | Till | Permian Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 40M 1155y to 41M 0055y | Diamicton | Till | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 41M 0055y to 41M 0825y | Clay, Silt and Sand | Alluvium | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 41M 0825y to 42M 0715y | Diamicton | Till | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 42M 0715y to 43M 0715y | Diamicton | Till | Permian Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 43M 0715y to 43M 1705y | Diamicton | Till | Zechstein Group - Dolomitised Limestone and Dolomite |
| 43M 1705y to 44M 1375y | Diamicton | Till | Permian Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 44M 1375y to 45M 0055y | Diamicton | Till | Zechstein Group - Dolomitised Limestone and Dolomite |
| 45M 0055y to 46M 1265y | Diamicton | Till | Permian Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 46M 1265y to 51M 0165y | Diamicton | Till | Zechstein Group - Dolomitised Limestone and Dolomite |
| 51M 0165y to 52M 1265y | Clay | Lacustrine Deposits Ⓤ | Zechstein Group - Dolomitised Limestone and Dolomite |
| 52M 1265y to 53M 1595y | Diamicton | Till | Zechstein Group - Dolomitised Limestone and Dolomite |
| 53M 1595y to 54M 0715y | Clay, Silt and Sand | Alluvium | Zechstein Group - Dolomitised Limestone and Dolomite |
| 54M 0715y to 54M 0935y | Diamicton | Till | Zechstein Group - Dolomitised Limestone and Dolomite |
| 54M 0935y to 55M 0275y | Clay, Silt and Sand | Alluvium | Zechstein Group - Dolomitised Limestone and Dolomite |
| 55M 0275y to 57M 0165y | Sand and Gravel | Glacial Sand and Gravel | Zechstein Group - Dolomitised Limestone and Dolomite |
| 57M 0165y to 57M 0385y | Zechstein Group - Dolomitised Limestone and Dolomite | ||
| 57M 0385y to 57M 0935y | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ | ||
| 57M 0935y to 58M 0385y | Clay, Silt and Sand | Alluvium | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |
| 58M 0385y to 61M 1705y | Diamicton | Till | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |
| 61M 1705y to 62M 0935y | Clay, Silt and Sand | Alluvium | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |
| 62M 0935y to 65M 0495y | Diamicton | Till | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |
| 65M 0495y to 66M 0715y | Sand and Gravel | Glacial Sand and Gravel | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |
| 66M 0715y to 69M 0385y | Diamicton | Till | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |
| 69M 0385y to 70M 1705y | Sand and Gravel | Glacial Sand and Gravel | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |
| 70M 1705y to 77M 0165y | Diamicton | Till | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |
| 77M 0165y to 77M 1705y | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ | ||
| 77M 1705y to 79M 1155y | Diamicton | Till | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |
| 79M 1155y to 79M 1485y | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ | ||
| 79M 1485y to 79M 1705y | Clay, Silt and Sand | Alluvium | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |
| 79M 1705y to 80M 0253y | Diamicton | Till | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |