Geology for ELR PMJ 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 -063y to 0M 0275y | Diamicton | Till | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 0M 0275y to 4M 0275y | Lias Group - Mudstone, Siltstone, Limestone and Sandstone | ||
| 4M 0275y to 7M 0165y | Inferior Oolite Group - Limestone, Sandstone, Siltstone and Mudstone | ||
| 7M 0165y to 7M 0275y | Lias Group - Mudstone, Siltstone, Limestone and Sandstone | ||
| 7M 0275y to 8M 0825y | Clay, Silt and Sand | Alluvium | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 8M 0825y to 8M 1595y | Lias Group - Mudstone, Siltstone, Limestone and Sandstone | ||
| 8M 1595y to 10M 0495y | Clay, Silt and Sand | Alluvium | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 10M 0495y to 10M 0935y | Clay, Silt and Sand | Alluvium | Inferior Oolite Group - Limestone, Sandstone, Siltstone and Mudstone |
| 10M 0935y to 10M 1485y | Inferior Oolite Group - Limestone, Sandstone, Siltstone and Mudstone | ||
| 10M 1485y to 11M 0165y | Clay, Silt and Sand | Alluvium | Inferior Oolite Group - Limestone, Sandstone, Siltstone and Mudstone |
| 11M 0165y to 12M 0055y | Inferior Oolite Group - Limestone, Sandstone, Siltstone and Mudstone | ||
| 12M 0055y to 12M 0935y | Sand and Gravel | River Terrace Deposits Ⓤ | Great Oolite Group - Sandstone, Limestone and Argillaceous Rocks |
| 12M 0935y to 12M 1155y | Sand and Gravel | River Terrace Deposits Ⓤ | Inferior Oolite Group - Limestone, Sandstone, Siltstone and Mudstone |
| 12M 1155y to 12M 1485y | Sand and Gravel | River Terrace Deposits Ⓤ | Great Oolite Group - Sandstone, Limestone and Argillaceous Rocks |
| 12M 1485y to 13M 0605y | Clay, Silt and Sand | Alluvium | Great Oolite Group - Sandstone, Limestone and Argillaceous Rocks |
| 13M 0605y to 13M 1045y | Clay, Silt and Sand | Alluvium | Kellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone |
| 13M 1045y to 14M 1485y | Sand and Gravel | River Terrace Deposits Ⓤ | Kellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone |
| 14M 1485y to 15M 0165y | Clay, Silt and Sand | Alluvium | Kellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone |
| 15M 0165y to 15M 1265y | Clay, Silt and Sand | Alluvium | Great Oolite Group - Sandstone, Limestone and Argillaceous Rocks |
| 15M 1265y to 16M 1485y | Sand and Gravel | River Terrace Deposits Ⓤ | Great Oolite Group - Sandstone, Limestone and Argillaceous Rocks |
| 16M 1485y to 17M 0165y | Sand and Gravel | River Terrace Deposits Ⓤ | Kellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone |
| 17M 0165y to 17M 0825y | Sand and Gravel | River Terrace Deposits Ⓤ | Great Oolite Group - Sandstone, Limestone and Argillaceous Rocks |
| 17M 0825y to 17M 1595y | Great Oolite Group - Sandstone, Limestone and Argillaceous Rocks | ||
| 17M 1595y to 19M 1265y | Kellaways Formation and Oxford Clay Formation Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 19M 1265y to 21M 0935y | Great Oolite Group - Sandstone, Limestone and Argillaceous Rocks | ||
| 21M 0935y to 21M 1595y | Sand and Gravel | River Terrace Deposits Ⓤ | Great Oolite Group - Sandstone, Limestone and Argillaceous Rocks |
| 21M 1595y to 22M 0539y | Great Oolite Group - Sandstone, Limestone and Argillaceous Rocks |