Geology for ELR NKL 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 |
|---|---|---|---|
| 4M 0246y to 4M 0288y | Clay, Silt and Sand | Alluvium | White Chalk Subgroup - Chalk |
| 4M 0288y to 4M 1375y | Clay, Silt and Sand | Alluvium | Thanet Sand Formation - Sand, Silt and Clay |
| 4M 1375y to 5M 0165y | Sand and Gravel | River Terrace Deposits Ⓤ | Thanet Sand Formation - Sand, Silt and Clay |
| 5M 0165y to 6M 0495y | Clay, Silt and Sand | Alluvium | Thanet Sand Formation - Sand, Silt and Clay |
| 6M 0495y to 6M 1045y | Sand and Gravel | River Terrace Deposits Ⓤ | Thanet Sand Formation - Sand, Silt and Clay |
| 6M 1045y to 7M 0165y | Clay, Silt and Sand | Alluvium | Thanet Sand Formation - Sand, Silt and Clay |
| 7M 0165y to 7M 1595y | Clay, Silt and Sand | Alluvium | White Chalk Subgroup - Chalk |
| 7M 1595y to 8M 0385y | Clay, Silt and Sand | Alluvium | Thanet Sand Formation - Sand, Silt and Clay |
| 8M 0385y to 8M 1375y | Thanet Sand Formation - Sand, Silt and Clay | ||
| 8M 1375y to 8M 1485y | Clay, Silt and Sand | Alluvium | Thanet Sand Formation - Sand, Silt and Clay |
| 8M 1485y to 9M 0275y | Thanet Sand Formation - Sand, Silt and Clay | ||
| 9M 0275y to 9M 0495y | Clay, Silt and Sand | Alluvium | Thanet Sand Formation - Sand, Silt and Clay |
| 9M 0495y to 9M 0715y | Thanet Sand Formation - Sand, Silt and Clay | ||
| 9M 0715y to 11M 0385y | Clay, Silt and Sand | Alluvium | Thanet Sand Formation - Sand, Silt and Clay |
| 11M 0385y to 11M 1485y | Clay, Silt and Sand | Alluvium | White Chalk Subgroup - Chalk |
| 11M 1485y to 12M 1045y | Clay, Silt and Sand | Alluvium | Thanet Sand Formation - Sand, Silt and Clay |
| 12M 1045y to 13M 1155y | Clay, Silt and Sand | Alluvium | White Chalk Subgroup - Chalk |
| 13M 1155y to 14M 0055y | Clay, Silt and Sand | Alluvium | Thanet Sand Formation - Sand, Silt and Clay |
| 14M 0055y to 14M 0935y | Thanet Sand Formation - Sand, Silt and Clay | ||
| 14M 0935y to 14M 1155y | Clay, Silt and Sand | Alluvium | Thanet Sand Formation - Sand, Silt and Clay |
| 14M 1155y to 14M 1485y | Clay, Silt and Sand | Alluvium | White Chalk Subgroup - Chalk |
| 14M 1485y to 16M 0715y | Sand and Gravel | River Terrace Deposits Ⓤ | White Chalk Subgroup - Chalk |
| 16M 0715y to 16M 1155y | Clay, Silt and Sand | Alluvium | White Chalk Subgroup - Chalk |
| 16M 1155y to 16M 1595y | Sand and Gravel | River Terrace Deposits Ⓤ | White Chalk Subgroup - Chalk |
| 16M 1595y to 17M 0072y | Clay, Silt and Sand | Alluvium | White Chalk Subgroup - Chalk |