See detailed information for ELR OAJ

 ⚠️ 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.

MileageMaterialDepositBedrock
48M 1553y to 49M 0825yPennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ
49M 0825y to 49M 1084yClay, Silt and SandAlluviumPennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ