See detailed information for ELR BBM

 ⚠️ 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
0M 0095y to 0M 0715yDiamictonTillKellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone
0M 0715y to 0M 1595ySand and GravelGlacial Sand and GravelKellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone
0M 1595y to 1M 0165yDiamictonTillKellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone
1M 0165y to 1M 0275ySand and GravelGlacial Sand and GravelKellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone
1M 0275y to 1M 0605yClay, Silt and SandAlluviumKellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone
1M 0605y to 3M 1155yKellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone
3M 1155y to 6M 0495yDiamictonTillKellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone
6M 0495y to 6M 1705yKellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone
6M 1705y to 7M 0605yDiamictonTillKellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone
7M 0605y to 9M 1485yKellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone
9M 1485y to 11M 0495ySand and GravelRiver Terrace Deposits ⓊKellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone
11M 0495y to 11M 0715yKellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone
11M 0715y to 12M 0275yClay, Silt and SandAlluviumKellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone
12M 0275y to 12M 1155yKellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone
12M 1155y to 12M 1705yClay, Silt and SandAlluviumKellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone
12M 1705y to 14M 0715yKellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone
14M 0715y to 15M 1485ySand and GravelRiver Terrace Deposits ⓊKellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone
15M 1485y to 15M 1705yClay, Silt and SandAlluviumKellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone
15M 1705y to 16M 0385yClay, Silt and SandAlluviumGreat Oolite Group - Sandstone, Limestone and Argillaceous Rocks
16M 0385y to 16M 1265ySand and GravelRiver Terrace Deposits ⓊGreat Oolite Group - Sandstone, Limestone and Argillaceous Rocks
16M 1265y to 16M 1340ySand and GravelRiver Terrace Deposits ⓊKellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone
16M 1340y to 16M 1360yKellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone