Geology for ELR NDN 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 |
|---|---|---|---|
| 179M 0549y to 180M 1265y | Permian Rocks Ⓤ - Sandstone and Conglomerate, Interbedded | ||
| 180M 1265y to 180M 1485y | Clay, Silt and Sand | Alluvium | Permian Rocks Ⓤ - Sandstone and Conglomerate, Interbedded |
| 180M 1485y to 181M 0055y | Clay, Silt and Sand | Alluvium | Holsworthy Group - Mudstone, Siltstone and Sandstone |
| 181M 0055y to 182M 0385y | Holsworthy Group - Mudstone, Siltstone and Sandstone | ||
| 182M 0385y to 182M 1375y | Clay, Silt and Sand | Alluvium | Holsworthy Group - Mudstone, Siltstone and Sandstone |
| 182M 1375y to 182M 1595y | Holsworthy Group - Mudstone, Siltstone and Sandstone | ||
| 182M 1595y to 185M 1155y | Permian Rocks Ⓤ - Sandstone and Conglomerate, Interbedded | ||
| 185M 1155y to 192M 1485y | Holsworthy Group - Mudstone, Siltstone and Sandstone | ||
| 192M 1485y to 194M 0935y | Clay, Silt and Sand | Alluvium | Holsworthy Group - Mudstone, Siltstone and Sandstone |
| 194M 0935y to 195M 0165y | Holsworthy Group - Mudstone, Siltstone and Sandstone | ||
| 195M 0165y to 202M 0825y | Clay, Silt and Sand | Alluvium | Holsworthy Group - Mudstone, Siltstone and Sandstone |
| 202M 0825y to 203M 0935y | Holsworthy Group - Mudstone, Siltstone and Sandstone | ||
| 203M 0935y to 209M 0275y | Clay, Silt and Sand | Alluvium | Holsworthy Group - Mudstone, Siltstone and Sandstone |
| 209M 0275y to 209M 0715y | Clay, Silt and Sand | Alluvium | Teign Valley Group - Mudstone, Siltstone and Sandstone |
| 209M 0715y to 210M 0715y | Clay, Silt and Sand | Alluvium | Holsworthy Group - Mudstone, Siltstone and Sandstone |
| 210M 0715y to 210M 0825y | Teign Valley Group - Mudstone, Siltstone and Sandstone | ||
| 210M 0825y to 210M 0935y | Diamicton | Till | Teign Valley Group - Mudstone, Siltstone and Sandstone |
| 210M 0935y to 210M 1375y | Diamicton | Till | Upper Devonian Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 210M 1375y to 211M 0495y | Upper Devonian Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 211M 0495y to 211M 0783y | Clay, Silt and Sand | Alluvium | Upper Devonian Rocks Ⓤ - Mudstone, Siltstone and Sandstone |