See detailed information for ELR MAC3
⚠️ 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 |
|---|---|---|---|
| 33M 0391y to 34M 0605y | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ | ||
| 34M 0605y to 36M 0385y | Millstone Grit Group - Mudstone, Siltstone and Sandstone | ||
| 36M 0385y to 36M 1265y | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ | ||
| 36M 1265y to 36M 1595y | Millstone Grit Group - Mudstone, Siltstone and Sandstone | ||
| 36M 1595y to 41M 0495y | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ | ||
| 41M 0495y to 42M 0055y | Clay, Silt and Sand | Alluvium | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ |
| 42M 0055y to 42M 0605y | Pennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ | ||
| 42M 0605y to 46M 0825y | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ | ||
| 46M 0825y to 47M 0275y | Clay, Silt and Sand | Alluvium | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ |
| 47M 0275y to 51M 0385y | Pennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ | ||
| 51M 0385y to 51M 1265y | Zechstein Group - Dolomitised Limestone and Dolomite | ||
| 51M 1265y to 51M 1485y | Diamicton | Till | Zechstein Group - Dolomitised Limestone and Dolomite |
| 51M 1485y to 53M 0165y | Zechstein Group - Dolomitised Limestone and Dolomite | ||
| 53M 0165y to 56M 0385y | Permian Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 56M 0385y to 56M 1595y | Permian Rocks Ⓤ - Sandstone and Conglomerate, Interbedded | ||
| 56M 1595y to 61M 0385y | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded | ||
| 61M 0385y to 62M 0165y | Diamicton | Till | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 62M 0165y to 64M 0275y | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded | ||
| 64M 0275y to 64M 0495y | Sand and Gravel | River Terrace Deposits Ⓤ | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 64M 0495y to 64M 1375y | Clay, Silt and Sand | Alluvium | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 64M 1375y to 65M 1375y | Sand and Gravel | Glacial Sand and Gravel | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 65M 1375y to 66M 1155y | Sand and Gravel | River Terrace Deposits Ⓤ | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 66M 1155y to 71M 1375y | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 71M 1375y to 73M 1265y | Clay, Silt and Sand | Alluvium | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 73M 1265y to 74M 0055y | Sand and Gravel | River Terrace Deposits Ⓤ | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 74M 0055y to 75M 0275y | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 75M 0275y to 75M 1485y | Sand and Gravel | River Terrace Deposits Ⓤ | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 75M 1485y to 77M 1375y | Peat | Peat | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 77M 1375y to 78M 0055y | Sand and Gravel | River Terrace Deposits Ⓤ | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 78M 0055y to 79M 0055y | Peat | Peat | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 79M 0055y to 79M 0385y | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 79M 0385y to 79M 0605y | Lias Group - Mudstone, Siltstone, Limestone and Sandstone | ||
| 79M 0605y to 81M 1155y | Diamicton | Till | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 81M 1155y to 82M 0275y | Lias Group - Mudstone, Siltstone, Limestone and Sandstone | ||
| 82M 0275y to 82M 0825y | Clay, Silt and Sand | Alluvium | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 82M 0825y to 82M 1485y | Sand and Gravel | River Terrace Deposits Ⓤ | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 82M 1485y to 82M 1595y | Diamicton | Till | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 82M 1595y to 83M 0495y | Sand and Gravel | River Terrace Deposits Ⓤ | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 83M 0495y to 84M 0055y | Diamicton | Till | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 84M 0055y to 84M 0825y | Lias Group - Mudstone, Siltstone, Limestone and Sandstone | ||
| 84M 0825y to 84M 1595y | Clay, Silt and Sand | Alluvium | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 84M 1595y to 85M 0275y | Lias Group - Mudstone, Siltstone, Limestone and Sandstone | ||
| 85M 0275y to 89M 1265y | Inferior Oolite Group - Limestone, Sandstone, Siltstone and Mudstone | ||
| 89M 1265y to 89M 1705y | Clay, Silt and Sand | Alluvium | Inferior Oolite Group - Limestone, Sandstone, Siltstone and Mudstone |
| 89M 1705y to 90M 0935y | Clay, Silt and Sand | Alluvium | Great Oolite Group - Sandstone, Limestone and Argillaceous Rocks |
| 90M 0935y to 90M 1375y | Clay, Silt and Sand | Alluvium | Kellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone |
| 90M 1375y to 91M 1375y | Clay | Lacustrine Deposits Ⓤ | Kellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone |
| 91M 1375y to 91M 1485y | Clay | Lacustrine Deposits Ⓤ | West Walton Formation, Ampthill Clay Formation and Kimmeridge Clay Formation Ⓤ - Mudstone |
| 91M 1485y to 91M 1595y | Sand and Gravel | Glacial Sand and Gravel | West Walton Formation, Ampthill Clay Formation and Kimmeridge Clay Formation Ⓤ - Mudstone |
| 91M 1595y to 92M 1045y | Clay | Lacustrine Deposits Ⓤ | West Walton Formation, Ampthill Clay Formation and Kimmeridge Clay Formation Ⓤ - Mudstone |
| 92M 1045y to 93M 0275y | Sand | Blown Sand | West Walton Formation, Ampthill Clay Formation and Kimmeridge Clay Formation Ⓤ - Mudstone |
| 93M 0275y to 93M 1705y | Clay | Lacustrine Deposits Ⓤ | West Walton Formation, Ampthill Clay Formation and Kimmeridge Clay Formation Ⓤ - Mudstone |
| 93M 1705y to 94M 0715y | Sand | Blown Sand | West Walton Formation, Ampthill Clay Formation and Kimmeridge Clay Formation Ⓤ - Mudstone |
| 94M 0715y to 95M 0275y | Clay | Lacustrine Deposits Ⓤ | West Walton Formation, Ampthill Clay Formation and Kimmeridge Clay Formation Ⓤ - Mudstone |
| 95M 0275y to 96M 0055y | West Walton Formation, Ampthill Clay Formation and Kimmeridge Clay Formation Ⓤ - Mudstone | ||
| 96M 0055y to 96M 0825y | Grey Chalk Subgroup - Chalk | ||
| 96M 0825y to 97M 0825y | White Chalk Subgroup - Chalk | ||
| 97M 0825y to 97M 1155y | Diamicton | Till | White Chalk Subgroup - Chalk |
| 97M 1155y to 98M 0385y | White Chalk Subgroup - Chalk | ||
| 98M 0385y to 99M 1155y | Diamicton | Till | White Chalk Subgroup - Chalk |
| 99M 1155y to 100M 0495y | Sand and Gravel | River Terrace Deposits Ⓤ | White Chalk Subgroup - Chalk |
| 100M 0495y to 104M 0275y | Diamicton | Till | White Chalk Subgroup - Chalk |
| 104M 0275y to 105M 0055y | Clay, Silt and Sand | Alluvium | White Chalk Subgroup - Chalk |
| 105M 0055y to 105M 1155y | Diamicton | Till | White Chalk Subgroup - Chalk |
| 105M 1155y to 106M 1375y | Clay, Silt and Sand | Alluvium | White Chalk Subgroup - Chalk |
| 106M 1375y to 107M 0935y | Diamicton | Till | White Chalk Subgroup - Chalk |
| 107M 0935y to 110M 0935y | Clay, Silt and Sand | Alluvium | White Chalk Subgroup - Chalk |
| 110M 0935y to 110M 1155y | White Chalk Subgroup - Chalk | ||
| 110M 1155y to 111M 0495y | Clay, Silt and Sand | Alluvium | White Chalk Subgroup - Chalk |
| 111M 0495y to 112M 0165y | White Chalk Subgroup - Chalk | ||
| 112M 0165y to 112M 0935y | Clay, Silt and Sand | Alluvium | White Chalk Subgroup - Chalk |
| 112M 0935y to 112M 1042y | Diamicton | Till | White Chalk Subgroup - Chalk |