Geology for ELR FAS 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.
| Mileage | Material | Deposit | Bedrock |
|---|---|---|---|
| 0M -236y to 1M 1265y | Kellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 1M 1265y to 1M 1485y | Sand and Gravel | River Terrace Deposits Ⓤ | Kellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone |
| 1M 1485y to 2M 0075y | Kellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone |