See detailed information for ELR NOC
⚠️ 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 |
|---|---|---|---|
| 5M 0650y to 8M 0605y | Diamicton | Till | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 8M 0605y to 8M 1375y | Clay, Silt and Sand | Alluvium | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 8M 1375y to 12M 0715y | Clay | Lacustrine Deposits Ⓤ | Permian Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 12M 0715y to 12M 0935y | Clay | Lacustrine Deposits Ⓤ | Zechstein Group - Dolomitised Limestone and Dolomite |
| 12M 0935y to 12M 1485y | Clay | Lacustrine Deposits Ⓤ | Permian Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 12M 1485y to 13M 1375y | Clay | Lacustrine Deposits Ⓤ | Zechstein Group - Dolomitised Limestone and Dolomite |
| 13M 1375y to 13M 1595y | Clay | Lacustrine Deposits Ⓤ | Permian Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 13M 1595y to 14M 1595y | Clay | Lacustrine Deposits Ⓤ | Zechstein Group - Dolomitised Limestone and Dolomite |
| 14M 1595y to 15M 0275y | Zechstein Group - Dolomitised Limestone and Dolomite | ||
| 15M 0275y to 16M 0055y | Permian Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 16M 0055y to 17M 1045y | Zechstein Group - Dolomitised Limestone and Dolomite | ||
| 17M 1045y to 17M 1375y | Permian Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 17M 1375y to 17M 1485y | Zechstein Group - Dolomitised Limestone and Dolomite | ||
| 17M 1485y to 19M 0385y | Clay, Silt and Sand | Alluvium | Zechstein Group - Dolomitised Limestone and Dolomite |
| 19M 0385y to 20M 1705y | Clay, Silt and Sand | Alluvium | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |
| 20M 1705y to 21M 0385y | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ | ||
| 21M 0385y to 22M 1045y | Clay, Silt and Sand | Alluvium | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |
| 22M 1045y to 23M 0605y | Sand and Gravel | River Terrace Deposits Ⓤ | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |
| 23M 0605y to 23M 1269y | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |