Geology for ELR BRI2 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 |
|---|---|---|---|
| 100M 0909y to 101M 0055y | Sand and Gravel | River Terrace Deposits Ⓤ | White Chalk Subgroup - Chalk |
| 101M 0055y to 103M 1595y | Diamicton | Till | White Chalk Subgroup - Chalk |
| 103M 1595y to 107M 0495y | Clay, Silt and Sand | Alluvium | White Chalk Subgroup - Chalk |
| 107M 0495y to 107M 0715y | Clay, Silt and Sand | Alluvium | |
| 107M 0715y to 107M 1590y | Clay, Silt and Sand | Alluvium | White Chalk Subgroup - Chalk |