See detailed information for ELR AYR3

 ⚠️ 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
6M 1748y to 9M 0495ySand and GravelRaised Marine Deposits ⓊStrathclyde Group - Sedimentary Rock Cycles, Strathclyde Group Type
9M 0495y to 10M 0935ySand and GravelRaised Marine Deposits ⓊClackmannan Group - Sedimentary Rock Cycles, Clackmannan Group Type
10M 0935y to 11M 0495ySand and GravelRaised Marine Deposits ⓊStrathclyde Group - Sedimentary Rock Cycles, Strathclyde Group Type
11M 0495y to 11M 1705yDiamictonTillStrathclyde Group - Sedimentary Rock Cycles, Strathclyde Group Type
11M 1705y to 12M 1595yClay, Silt and SandAlluviumStrathclyde Group - Sedimentary Rock Cycles, Strathclyde Group Type
12M 1595y to 13M 1705yClay, Silt and SandAlluviumUnnamed Extrusive Rocks, Dinantian - Mafic Lava and Mafic Tuff
13M 1705y to 14M 0825yClay, Silt and SandAlluviumClackmannan Group - Sedimentary Rock Cycles, Clackmannan Group Type
14M 0825y to 15M 0055yUnknown LithologyDrift Geology Not MappedClackmannan Group - Sedimentary Rock Cycles, Clackmannan Group Type
15M 0055y to 15M 0165yClay, Silt and SandAlluviumClackmannan Group - Sedimentary Rock Cycles, Clackmannan Group Type
15M 0165y to 15M 0715yUnknown LithologyDrift Geology Not MappedClackmannan Group - Sedimentary Rock Cycles, Clackmannan Group Type
15M 0715y to 16M 0055yClay, Silt and SandAlluviumClackmannan Group - Sedimentary Rock Cycles, Clackmannan Group Type
16M 0055y to 16M 1265yUnknown LithologyDrift Geology Not MappedClackmannan Group - Sedimentary Rock Cycles, Clackmannan Group Type
16M 1265y to 16M 1485yClay, Silt and SandAlluviumClackmannan Group - Sedimentary Rock Cycles, Clackmannan Group Type
16M 1485y to 17M 0715yDiamictonTillClackmannan Group - Sedimentary Rock Cycles, Clackmannan Group Type
17M 0715y to 18M 0385yClay, Silt and SandAlluviumClackmannan Group - Sedimentary Rock Cycles, Clackmannan Group Type
18M 0385y to 19M 0385yUnknown LithologyDrift Geology Not MappedClackmannan Group - Sedimentary Rock Cycles, Clackmannan Group Type
19M 0385y to 23M 0005yClay, Silt and SandAlluviumClackmannan Group - Sedimentary Rock Cycles, Clackmannan Group Type