See detailed information for ELR WEC1

 ⚠️ 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
11M 1285y to 11M 1375yPennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ
11M 1375y to 12M 0555yClay, Silt and SandAlluviumPennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ