See detailed information for ELR TRL3
⚠️ Geology shown below is based on British Geological Survey (BGS) low-resolution data sampled at 100 metre intervals along the ELR. The geology relative to the mileages should not be treated as accurate or complete. Data marked with Ⓤ is classed as undifferentiated by the BGS.
| Mileage | Material | Deposit | Bedrock |
|---|---|---|---|
| 20.804km to 22.782km | Sand and Gravel | River Terrace Deposits Ⓤ | Lambeth Group - Clay, Silt, Sand and Gravel |
| 22.782km to 27.006km | Sand and Gravel | River Terrace Deposits Ⓤ | Thames Group - Clay, Silt, Sand and Gravel |
| 27.006km to 27.509km | Sand and Gravel | River Terrace Deposits Ⓤ | Lambeth Group - Clay, Silt, Sand and Gravel |
| 27.509km to 28.515km | Sand and Gravel | River Terrace Deposits Ⓤ | Thanet Sand Formation - Sand, Silt and Clay |
| 28.515km to 28.616km | Sand and Gravel | River Terrace Deposits Ⓤ | White Chalk Subgroup - Chalk |
| 28.616km to 29.018km | Clay, Silt and Sand | Alluvium | White Chalk Subgroup - Chalk |
| 29.018km to 31.533km | White Chalk Subgroup - Chalk | ||
| 31.533km to 32.941km | Clay, Silt and Sand | Alluvium | White Chalk Subgroup - Chalk |
| 32.941km to 33.243km | Clay, Silt and Sand | Alluvium | |
| 33.243km to 34.248km | |||
| 34.248km to 34.450km | White Chalk Subgroup - Chalk | ||
| 34.450km to 37.568km | Clay, Silt and Sand | Alluvium | White Chalk Subgroup - Chalk |
| 37.568km to 38.976km | White Chalk Subgroup - Chalk | ||
| 38.976km to 39.278km | Thanet Sand Formation - Sand, Silt and Clay | ||
| 39.278km to 41.490km | White Chalk Subgroup - Chalk | ||
| 41.490km to 42.094km | Thanet Sand Formation - Sand, Silt and Clay | ||
| 42.094km to 42.295km | White Chalk Subgroup - Chalk | ||
| 42.295km to 43.603km | Thanet Sand Formation - Sand, Silt and Clay | ||
| 43.603km to 43.904km | White Chalk Subgroup - Chalk | ||
| 43.904km to 44.206km | Thanet Sand Formation - Sand, Silt and Clay | ||
| 44.206km to 44.508km | Lambeth Group - Clay, Silt, Sand and Gravel | ||
| 44.508km to 44.910km | Thames Group - Clay, Silt, Sand and Gravel | ||
| 44.910km to 45.313km | Lambeth Group - Clay, Silt, Sand and Gravel | ||
| 45.313km to 45.514km | Thames Group - Clay, Silt, Sand and Gravel | ||
| 45.514km to 45.916km | Lambeth Group - Clay, Silt, Sand and Gravel | ||
| 45.916km to 46.419km | Thanet Sand Formation - Sand, Silt and Clay | ||
| 46.419km to 47.324km | White Chalk Subgroup - Chalk | ||
| 47.324km to 47.928km | Thanet Sand Formation - Sand, Silt and Clay | ||
| 47.928km to 48.129km | White Chalk Subgroup - Chalk | ||
| 48.129km to 49.135km | Diamicton | Clay-with-flints | White Chalk Subgroup - Chalk |
| 49.135km to 50.241km | White Chalk Subgroup - Chalk | ||
| 50.241km to 50.442km | Clay, Silt and Sand | Alluvium | White Chalk Subgroup - Chalk |
| 50.442km to 50.644km | Clay, Silt and Sand | Alluvium | |
| 50.644km to 50.845km | White Chalk Subgroup - Chalk | ||
| 50.845km to 50.945km | Clay, Silt and Sand | Alluvium | White Chalk Subgroup - Chalk |
| 50.945km to 53.058km | White Chalk Subgroup - Chalk | ||
| 53.058km to 57.182km | Diamicton | Clay-with-flints | White Chalk Subgroup - Chalk |
| 57.182km to 57.886km | White Chalk Subgroup - Chalk | ||
| 57.886km to 58.992km | Grey Chalk Subgroup - Chalk | ||
| 58.992km to 66.435km | Gault Formation and Upper Greensand Formation Ⓤ - Mudstone, Sandstone and Limestone | ||
| 66.435km to 79.008km | Lower Greensand Group - Sandstone and Mudstone | ||
| 79.008km to 79.813km | Silt | Brickearth | Lower Greensand Group - Sandstone and Mudstone |
| 79.813km to 82.126km | Lower Greensand Group - Sandstone and Mudstone | ||
| 82.126km to 83.032km | Gault Formation and Upper Greensand Formation Ⓤ - Mudstone, Sandstone and Limestone | ||
| 83.032km to 86.552km | Lower Greensand Group - Sandstone and Mudstone | ||
| 86.552km to 87.357km | Silt | Brickearth | Lower Greensand Group - Sandstone and Mudstone |
| 87.357km to 88.564km | Lower Greensand Group - Sandstone and Mudstone | ||
| 88.564km to 88.664km | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 88.664km to 89.972km | Lower Greensand Group - Sandstone and Mudstone | ||
| 89.972km to 90.676km | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 90.676km to 90.978km | Clay, Silt and Sand | Alluvium | Wealden Group - Mudstone, Siltstone and Sandstone |
| 90.978km to 92.285km | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 92.285km to 94.096km | Lower Greensand Group - Sandstone and Mudstone | ||
| 94.096km to 94.800km | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 94.800km to 97.315km | Lower Greensand Group - Sandstone and Mudstone | ||
| 97.315km to 98.119km | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 98.119km to 98.622km | Clay, Silt and Sand | Alluvium | Wealden Group - Mudstone, Siltstone and Sandstone |
| 98.622km to 98.823km | Wealden Group - Mudstone, Siltstone and Sandstone | ||
| 98.823km to 99.628km | Lower Greensand Group - Sandstone and Mudstone | ||
| 99.628km to 103.450km | Silt | Brickearth | Lower Greensand Group - Sandstone and Mudstone |
| 103.450km to 109.485km | Lower Greensand Group - Sandstone and Mudstone | ||
| 109.485km to 109.787km | Unknown Lithology | Landslip | Lower Greensand Group - Sandstone and Mudstone |
| 109.787km to 109.965km | Unknown Lithology | Landslip | Gault Formation and Upper Greensand Formation Ⓤ - Mudstone, Sandstone and Limestone |