See detailed information for ELR NOB3

 ⚠️ 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.

MileageMaterialDepositBedrock
12M 1166y to 12M 1485ySandBlown SandWest Walton Formation, Ampthill Clay Formation and Kimmeridge Clay Formation Ⓤ - Mudstone
12M 1485y to 15M 1155yClayLacustrine Deposits ⓊWest Walton Formation, Ampthill Clay Formation and Kimmeridge Clay Formation Ⓤ - Mudstone
15M 1155y to 16M 1375yWest Walton Formation, Ampthill Clay Formation and Kimmeridge Clay Formation Ⓤ - Mudstone
16M 1375y to 23M 1265ySandBlown SandWest Walton Formation, Ampthill Clay Formation and Kimmeridge Clay Formation Ⓤ - Mudstone
23M 1265y to 24M 0055yClay, Silt and SandAlluviumWest Walton Formation, Ampthill Clay Formation and Kimmeridge Clay Formation Ⓤ - Mudstone
24M 0055y to 27M 0495ySandBlown SandWest Walton Formation, Ampthill Clay Formation and Kimmeridge Clay Formation Ⓤ - Mudstone
27M 0495y to 32M 1485yDiamictonTillWest Walton Formation, Ampthill Clay Formation and Kimmeridge Clay Formation Ⓤ - Mudstone
32M 1485y to 33M 0605ySand and GravelRiver Terrace Deposits ⓊWest Walton Formation, Ampthill Clay Formation and Kimmeridge Clay Formation Ⓤ - Mudstone
33M 0605y to 34M 0275ySand and GravelRiver Terrace Deposits ⓊKellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone
34M 0275y to 34M 1045yClay, Silt and SandAlluviumKellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone
34M 1045y to 35M 0385yDiamictonTillKellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone
35M 0385y to 35M 0825ySand and GravelRiver Terrace Deposits ⓊKellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone
35M 0825y to 36M 0165yDiamictonTillKellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone
36M 0165y to 36M 1155yKellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone
36M 1155y to 36M 1485yDiamictonTillKellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone
36M 1485y to 37M 0275yKellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone
37M 0275y to 37M 1485yDiamictonTillKellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone
37M 1485y to 38M 0165yKellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone
38M 0165y to 39M 0495yGreat Oolite Group - Sandstone, Limestone and Argillaceous Rocks
39M 0495y to 39M 0935yInferior Oolite Group - Limestone, Sandstone, Siltstone and Mudstone
39M 0935y to 41M 0275yLias Group - Mudstone, Siltstone, Limestone and Sandstone
41M 0275y to 41M 0557yClay, Silt and SandAlluviumLias Group - Mudstone, Siltstone, Limestone and Sandstone