Geology for ELR SJO1 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 |
|---|---|---|---|
| 33M 0301y to 34M 1045y | Diamicton | Till | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 34M 1045y to 34M 1681y | Sand | Blown Sand | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |