Geology for ELR CHW1 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 0433y to 3M 0825y | Diamicton | Till | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 3M 0825y to 3M 1705y | Clay, Silt and Sand | Alluvium | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 3M 1705y to 4M 1045y | Diamicton | Till | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 4M 1045y to 5M 0275y | Diamicton | Till | Permian Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 5M 0275y to 6M 0715y | Diamicton | Till | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 6M 0715y to 8M 0825y | Clay, Silt and Sand | Alluvium | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 8M 0825y to 8M 1485y | Sand and Gravel | River Terrace Deposits Ⓤ | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 8M 1485y to 9M 1155y | Clay, Silt and Sand | Alluvium | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 9M 1155y to 10M 0165y | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded | ||
| 10M 0165y to 10M 0605y | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 10M 0605y to 11M 0055y | Clay, Silt and Sand | Alluvium | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 11M 0055y to 11M 1265y | Sand and Gravel | Glacial Sand and Gravel | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 11M 1265y to 13M 1155y | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 13M 1155y to 13M 1595y | Sand | Blown Sand | Triassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 13M 1595y to 14M 0715y | Diamicton | Till | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 14M 0715y to 16M 0275y | Sand | Blown Sand | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 16M 0275y to 17M 0489y | Clay, Silt and Sand | Alluvium | Triassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |