Geology for ELR RDK1 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 |
|---|---|---|---|
| 27M 1284y to 28M 0715y | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded | ||
| 28M 0715y to 28M 0825y | |||
| 28M 0825y to 28M 1045y | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded | ||
| 28M 1045y to 28M 1155y | Clay, Silt and Sand | Alluvium | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 28M 1155y to 28M 1265y | Clay, Silt and Sand | Alluvium | |
| 28M 1265y to 28M 1388y | Clay, Silt and Sand | Alluvium | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |