Geology for ELR DCL 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.

MileageMaterialDepositBedrock
52M 1665y to 53M 0495yGault Formation and Upper Greensand Formation Ⓤ - Mudstone, Sandstone and Limestone
53M 0495y to 53M 0715yClay, Silt and SandAlluviumGault Formation and Upper Greensand Formation Ⓤ - Mudstone, Sandstone and Limestone
53M 0715y to 55M 0055ySand and GravelRiver Terrace Deposits (Undifferentiated)Gault Formation and Upper Greensand Formation Ⓤ - Mudstone, Sandstone and Limestone
55M 0055y to 55M 0605yClay, Silt and SandAlluviumGault Formation and Upper Greensand Formation Ⓤ - Mudstone, Sandstone and Limestone
55M 0605y to 55M 1155ySand and GravelRiver Terrace Deposits (Undifferentiated)Gault Formation and Upper Greensand Formation Ⓤ - Mudstone, Sandstone and Limestone
55M 1155y to 55M 1485ySand and GravelRiver Terrace Deposits (Undifferentiated)Lower Greensand Group - Sandstone and Mudstone
55M 1485y to 56M 1485yLower Greensand Group - Sandstone and Mudstone
56M 1485y to 57M 0275yClay, Silt and SandAlluviumLower Greensand Group - Sandstone and Mudstone
57M 0275y to 58M 0935ySand and GravelRiver Terrace Deposits (Undifferentiated)West Walton Formation, Ampthill Clay Formation and Kimmeridge Clay Formation Ⓤ - Mudstone
58M 0935y to 59M 0825yWest Walton Formation, Ampthill Clay Formation and Kimmeridge Clay Formation Ⓤ - Mudstone
59M 0825y to 59M 0935yClay, Silt and SandAlluviumWest Walton Formation, Ampthill Clay Formation and Kimmeridge Clay Formation Ⓤ - Mudstone
59M 0935y to 60M 0385yClay, Silt and SandAlluviumCorallian Group - Limestone, Sandstone, Siltstone and Mudstone
60M 0385y to 61M 0935yClay, Silt and SandAlluviumWest Walton Formation, Ampthill Clay Formation and Kimmeridge Clay Formation Ⓤ - Mudstone
61M 0935y to 63M 0715yClay, Silt and SandAlluviumKellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone
63M 0715y to 63M 1265ySand and GravelRiver Terrace Deposits (Undifferentiated)Kellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone
63M 1265y to 64M 1705yClay, Silt and SandAlluviumKellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone
64M 1705y to 66M 0935yKellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone
66M 0935y to 68M 0605yClay, Silt and SandAlluviumKellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone
68M 0605y to 68M 1705yKellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone
68M 1705y to 69M 0165yGreat Oolite Group - Sandstone, Limestone and Argillaceous Rocks
69M 0165y to 69M 0825yClay, Silt and SandAlluviumGreat Oolite Group - Sandstone, Limestone and Argillaceous Rocks
69M 0825y to 71M 0275yGreat Oolite Group - Sandstone, Limestone and Argillaceous Rocks
71M 0275y to 71M 0825yClay, Silt and SandAlluviumGreat Oolite Group - Sandstone, Limestone and Argillaceous Rocks
71M 0825y to 72M 0935yGreat Oolite Group - Sandstone, Limestone and Argillaceous Rocks
72M 0935y to 73M 0715yClay, Silt and SandAlluviumGreat Oolite Group - Sandstone, Limestone and Argillaceous Rocks
73M 0715y to 73M 1045yClay, Silt and SandAlluviumInferior Oolite Group - Limestone, Sandstone, Siltstone and Mudstone
73M 1045y to 74M 1045yClay, Silt and SandAlluviumLias Group - Mudstone, Siltstone, Limestone and Sandstone
74M 1045y to 74M 1705yLias Group - Mudstone, Siltstone, Limestone and Sandstone
74M 1705y to 75M 0495yClay, Silt and SandAlluviumLias Group - Mudstone, Siltstone, Limestone and Sandstone
75M 0495y to 75M 1375yLias Group - Mudstone, Siltstone, Limestone and Sandstone
75M 1375y to 75M 1705yClay, Silt and SandAlluviumLias Group - Mudstone, Siltstone, Limestone and Sandstone
75M 1705y to 77M 0715yLias Group - Mudstone, Siltstone, Limestone and Sandstone
77M 0715y to 78M 0165yClay, Silt and SandAlluviumLias Group - Mudstone, Siltstone, Limestone and Sandstone
78M 0165y to 80M 1705yLias Group - Mudstone, Siltstone, Limestone and Sandstone
80M 1705y to 81M 0715yClay, Silt and SandAlluviumLias Group - Mudstone, Siltstone, Limestone and Sandstone
81M 0715y to 81M 1485yLias Group - Mudstone, Siltstone, Limestone and Sandstone
81M 1485y to 82M 0055yClay, Silt and SandAlluviumLias Group - Mudstone, Siltstone, Limestone and Sandstone
82M 0055y to 83M 1375yLias Group - Mudstone, Siltstone, Limestone and Sandstone
83M 1375y to 84M 0055yClay, Silt and SandAlluviumLias Group - Mudstone, Siltstone, Limestone and Sandstone
84M 0055y to 86M 1485yLias Group - Mudstone, Siltstone, Limestone and Sandstone
86M 1485y to 87M 0275yClay, Silt and SandAlluviumLias Group - Mudstone, Siltstone, Limestone and Sandstone
87M 0275y to 91M 0715yLias Group - Mudstone, Siltstone, Limestone and Sandstone
91M 0715y to 91M 0935yClay, Silt and SandAlluviumLias Group - Mudstone, Siltstone, Limestone and Sandstone
91M 0935y to 100M 0165yLias Group - Mudstone, Siltstone, Limestone and Sandstone
100M 0165y to 100M 1375yDiamictonTillLias Group - Mudstone, Siltstone, Limestone and Sandstone
100M 1375y to 101M 0055yLias Group - Mudstone, Siltstone, Limestone and Sandstone
101M 0055y to 103M 1155yTriassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone
103M 1155y to 104M 0165yLias Group - Mudstone, Siltstone, Limestone and Sandstone
104M 0165y to 104M 1595yTriassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone
104M 1595y to 105M 1705ySand and GravelRiver Terrace Deposits (Undifferentiated)Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone
105M 1705y to 106M 0165ySand and GravelRiver Terrace Deposits (Undifferentiated)Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded
106M 0165y to 107M 0275ySand and GravelRiver Terrace Deposits (Undifferentiated)Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone
107M 0275y to 107M 1705yTriassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded
107M 1705y to 108M 0275yWarwickshire Group - Siltstone and Sandstone with Subordinate Mudstone
108M 0275y to 108M 0935yTriassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded
108M 0935y to 111M 0055yTriassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone
111M 0055y to 111M 1485yDiamictonTillTriassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone
111M 1485y to 112M 0385yTriassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone
112M 0385y to 112M 0605yDiamictonTillTriassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone
112M 0605y to 112M 1375yTriassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone
112M 1375y to 112M 1705yDiamictonTillTriassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone
112M 1705y to 115M 0165yTriassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone
115M 0165y to 115M 0935ySand and GravelRiver Terrace Deposits (Undifferentiated)Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone
115M 0935y to 117M 0605yTriassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone
117M 0605y to 117M 1595ySand and GravelGlacial Sand and GravelTriassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone
117M 1595y to 118M 0495yTriassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone
118M 0495y to 119M 0385yDiamictonTillTriassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone
119M 0385y to 121M 0385yTriassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone
121M 0385y to 123M 0495ySand and GravelGlacial Sand and GravelTriassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone
123M 0495y to 124M 1485yTriassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone
124M 1485y to 125M 0825yDiamictonTillTriassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone
125M 0825y to 126M 0385yTriassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone
126M 0385y to 126M 0715yClay, Silt and SandAlluviumTriassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone
126M 0715y to 126M 1375yTriassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone
126M 1375y to 128M 0275ySand and GravelGlacial Sand and GravelTriassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone
128M 0275y to 128M 0605yClay, Silt and SandAlluviumTriassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone
128M 0605y to 128M 1155ySand and GravelGlacial Sand and GravelTriassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone
128M 1155y to 130M 0275ySand and GravelGlacial Sand and GravelTriassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded
130M 0275y to 132M 0385yDiamictonTillTriassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded
132M 0385y to 132M 1042yDiamictonTillWarwickshire Group - Siltstone and Sandstone with Subordinate Mudstone