| FAULT ZONE ROCKS, UNASSIGNED |
| NEOGENE ROCKS (UNDIFFERENTIATED) |
| NEOGENE TO QUATERNARY ROCKS (UNDIFFERENTIATED) |
| LOUGH NEAGH CLAYS GROUP |
| BRACKLESHAM GROUP AND BARTON GROUP (UNDIFFERENTIATED) |
| EOCENE TO MIOCENE ROCKS (UNDIFFERENTIATED) |
| THAMES GROUP |
| THANET SAND FORMATION |
| LAMBETH GROUP |
| SOLENT GROUP |
| UNNAMED EXTRUSIVE ROCKS, PALAEOGENE |
| UNNAMED EXTRUSIVE ROCKS, PALAEOGENE |
| UNNAMED IGNEOUS INTRUSION, PALAEOGENE |
| UNNAMED IGNEOUS INTRUSION, PALAEOGENE |
| UNNAMED IGNEOUS INTRUSION, PALAEOGENE |
| UNNAMED IGNEOUS INTRUSION, PALAEOGENE |
| GREY CHALK SUBGROUP |
| WHITE CHALK SUBGROUP |
|
| HIBERNIAN GREENSANDS FORMATION AND ULSTER WHITE LIMESTONE FORMATION (UNDIFFERENTIATED) |
| UPPER CRETACEOUS TO PALAEOGENE ROCKS (UNDIFFERENTIATED) |
|
| GAULT FORMATION AND UPPER GREENSAND FORMATION (UNDIFFERENTIATED) |
| LOWER GREENSAND GROUP |
| WEALDEN GROUP |
| WEALDEN GROUP |
| PURBECK LIMESTONE GROUP |
| PORTLAND GROUP |
| CORALLIAN GROUP |
| WEST WALTON FORMATION, AMPTHILL CLAY FORMATION AND KIMMERIDGE CLAY FORMATION (UNDIFFERENTIATED) |
| UPPER JURASSIC ROCKS (UNDIFFERENTIATED) |
| KELLAWAYS FORMATION AND OXFORD CLAY FORMATION (UNDIFFERENTIATED) |
| GREAT OOLITE GROUP |
| INFERIOR OOLITE GROUP |
| RAVENSCAR GROUP |
| MIDDLE JURASSIC ROCKS (UNDIFFERENTIATED) |
| LIAS GROUP |
| MERCIA MUDSTONE GROUP |
|
| TRIASSIC ROCKS (UNDIFFERENTIATED) |
| TRIASSIC ROCKS (UNDIFFERENTIATED) |
| BELFAST GROUP |
|
| SHERWOOD SANDSTONE GROUP |
|
| ZECHSTEIN GROUP |
| ENLER GROUP |
| STEWARTRY GROUP |
|
| APPLEBY GROUP |
|
| NEW RED SANDSTONE SUPERGROUP |
| PERMIAN ROCKS (UNDIFFERENTIATED) |
|
| PERMIAN ROCKS (UNDIFFERENTIATED) |
|
| UNNAMED EXTRUSIVE ROCKS, PERMIAN |
|
| UNNAMED EXTRUSIVE ROCKS, PERMIAN |
|
| UNNAMED EXTRUSIVE ROCKS, PERMIAN |
| PENNINE UPPER COAL MEASURES FORMATION |
| SOUTH WALES UPPER COAL MEASURES FORMATION |
| PENNINE MIDDLE COAL MEASURES FORMATION AND SOUTH WALES MIDDLE COAL MEASURES FORMATION (UNDIFFERENTIATED) |
| WARWICKSHIRE GROUP |
| WARWICKSHIRE GROUP |
|
| SCOTTISH COAL MEASURES GROUP |
| PENNINE COAL MEASURES GROUP |
|
| PENNINE LOWER COAL MEASURES FORMATION AND SOUTH WALES LOWER COAL MEASURES FORMATION (UNDIFFERENTIATED) |
|
| SLIEVEBANE GROUP |
|
| COAL MEASURES GROUP [OBSOLETE EXCEPT IN NORTHERN IRELAND: USE PCM, SWCM, CMSC] |
| HOLSWORTHY GROUP |
|
| MILLSTONE GRIT GROUP [SEE ALSO MIGR] |
|
| UNNAMED EXTRUSIVE ROCKS, SILESIAN |
|
| CLACKMANNAN GROUP |
|
| KILSKEERY GROUP |
| YOREDALE GROUP |
| YOREDALE GROUP |
| YOREDALE GROUP |
| ARMAGH GROUP |
| BORDER GROUP |
| STRATHCLYDE GROUP |
|
| LEITRIM GROUP |
| BOWLAND HIGH GROUP AND CRAVEN GROUP (UNDIFFERENTIATED) |
| BOWLAND HIGH GROUP AND CRAVEN GROUP (UNDIFFERENTIATED) |
| HOLYWOOD GROUP |
|
| INVERCLYDE GROUP |
|
| OMAGH SANDSTONE GROUP |
|
| OWENKILLEW SANDSTONE GROUP |
|
| ROE VALLEY GROUP |
|
| TYRONE GROUP |
| DINANTIAN ROCKS (UNDIFFERENTIATED) |
|
| DINANTIAN ROCKS (UNDIFFERENTIATED) |
|
| UNNAMED EXTRUSIVE ROCKS, DINANTIAN |
|
| UNNAMED EXTRUSIVE ROCKS, DINANTIAN |
|
| UNNAMED EXTRUSIVE ROCKS, CARBONIFEROUS |
|
| UNNAMED EXTRUSIVE ROCKS, CARBONIFEROUS |
|
| UNNAMED EXTRUSIVE ROCKS, CARBONIFEROUS |
| UNNAMED IGNEOUS INTRUSION, CARBONIFEROUS TO PERMIAN |
| UNNAMED IGNEOUS INTRUSION, CARBONIFEROUS TO PERMIAN |
| UNNAMED IGNEOUS INTRUSION, CARBONIFEROUS TO PERMIAN |
|
| UNNAMED IGNEOUS INTRUSION, CARBONIFEROUS TO PERMIAN |
| SHANMULLAGH FORMATION |
| TEIGN VALLEY GROUP |
| STRATHEDEN GROUP |
| UPPER DEVONIAN ROCKS (UNDIFFERENTIATED) |
| UPPER DEVONIAN ROCKS (UNDIFFERENTIATED) |
|
| UPPER DEVONIAN ROCKS (UNDIFFERENTIATED) |
|
| UPPER OLD RED SANDSTONE |
| FINTONA GROUP |
| MIDDLE DEVONIAN (UNDIFFERENTIATED) |
|
| MIDDLE DEVONIAN (UNDIFFERENTIATED) |
|
| MIDDLE OLD RED SANDSTONE (UNDIFFERENTIATED) |
| STRATHMORE GROUP |
| ARBUTHNOTT-GARVOCK GROUP |
|
| CROSS SLIEVE GROUP |
|
| LOWER DEVONIAN ROCKS (UNDIFFERENTIATED) |
| LOWER DEVONIAN ROCKS (UNDIFFERENTIATED) |
|
| LOWER OLD RED SANDSTONE |
| DEVONIAN ROCKS (UNDIFFERENTIATED) |
|
| DEVONIAN ROCKS (UNDIFFERENTIATED) |
| DEVONIAN ROCKS (UNDIFFERENTIATED) |
|
| UNNAMED EXTRUSIVE ROCKS, DEVONIAN |
|
| UNNAMED EXTRUSIVE ROCKS, DEVONIAN |
|
| UNNAMED EXTRUSIVE ROCKS, DEVONIAN |
| UNNAMED IGNEOUS INTRUSION, DEVONIAN |
| UNNAMED IGNEOUS INTRUSION, DEVONIAN |
| UNNAMED IGNEOUS INTRUSION, DEVONIAN |
|
| OLD RED SANDSTONE SUPERGROUP |
| PRIDOLI ROCKS (UNDIFFERENTIATED) |
| PRIDOLI ROCKS (UNDIFFERENTIATED) |
|
| DUNNOTTAR-CRAWTON GROUP |
| LUDLOW ROCKS (UNDIFFERENTIATED) |
|
| RESTON GROUP |
|
| UNNAMED IGNEOUS INTRUSION, LATE SILURIAN TO EARLY DEVONIAN |
| UNNAMED IGNEOUS INTRUSION, LATE SILURIAN TO EARLY DEVONIAN |
|
| UNNAMED IGNEOUS INTRUSION, LATE SILURIAN TO EARLY DEVONIAN |
| UNNAMED IGNEOUS INTRUSION, LATE SILURIAN TO EARLY DEVONIAN |
|
| RICCARTON GROUP |
|
| STONEHAVEN GROUP |
|
| WENLOCK ROCKS (UNDIFFERENTIATED) |
| WENLOCK ROCKS (UNDIFFERENTIATED) |
| GALA GROUP |
| HAWICK GROUP |
| LLANDOVERY ROCKS (UNDIFFERENTIATED) |
| LLANDOVERY ROCKS (UNDIFFERENTIATED) |
| LANARK GROUP |
|
| SILURIAN ROCKS (UNDIFFERENTIATED) |
|
| SILURIAN ROCKS (UNDIFFERENTIATED) |
|
| SILURIAN ROCKS (UNDIFFERENTIATED) |
|
| UNNAMED EXTRUSIVE ROCKS, SILURIAN |
|
| UNNAMED EXTRUSIVE ROCKS, SILURIAN |
|
| UNNAMED EXTRUSIVE ROCKS, SILURIAN TO DEVONIAN |
|
| UNNAMED EXTRUSIVE ROCKS, SILURIAN TO DEVONIAN |
| ASHGILL ROCKS (UNDIFFERENTIATED) |
| BLACKCRAIG FORMATION AND GALDENOCH FORMATION (UNDIFFERENTIATED) |
| CARADOC ROCKS (UNDIFFERENTIATED) |
|
| KIRKCOLM FORMATION |
| PORTPATRICK FORMATION AND GLENWHARGEN FORMATION (UNDIFFERENTIATED) |
|
| SHINNEL FORMATION AND GLENLEE FORMATION (UNDIFFERENTIATED) |
|
| LEADHILLS SUPERGROUP |
| LLANVIRN ROCKS (UNDIFFERENTIATED) |
| TAPPINS GROUP |
| ARENIG ROCKS (UNDIFFERENTIATED) |
|
| CRAWFORD GROUP AND MOFFAT SHALE GROUP (UNDIFFERENTIATED) |
| TREMADOC ROCKS (UNDIFFERENTIATED) |
|
| ORDOVICIAN ROCKS (UNDIFFERENTIATED) |
| ORDOVICIAN ROCKS (UNDIFFERENTIATED) |
|
| UNNAMED EXTRUSIVE ROCKS, ORDOVICIAN |
|
| UNNAMED EXTRUSIVE ROCKS, ORDOVICIAN |
|
| UNNAMED EXTRUSIVE ROCKS, ORDOVICIAN |
|
| UNNAMED EXTRUSIVE ROCKS, ORDOVICIAN |
|
| UNNAMED EXTRUSIVE ROCKS, ORDOVICIAN |
|
| UNNAMED EXTRUSIVE ROCKS, ORDOVICIAN |
| UNNAMED IGNEOUS INTRUSION, ORDOVICIAN TO SILURIAN |
|
| UNNAMED IGNEOUS INTRUSION, ORDOVICIAN TO SILURIAN |
| UNNAMED IGNEOUS INTRUSION, ORDOVICIAN TO SILURIAN |
|
| UNNAMED IGNEOUS INTRUSION, ORDOVICIAN TO SILURIAN |
| UNST PHYLLITE GROUP |
| UPPER CAMBRIAN, INCLUDING TREMADOC |
|
| UPPER CAMBRIAN, INCLUDING TREMADOC |
| UPPER CAMBRIAN, INCLUDING TREMADOC |
| MIDDLE CAMBRIAN |
| ARDVRECK GROUP |
| DURNESS GROUP |
| LOWER CAMBRIAN ROCKS (UNDIFFERENTIATED) |
| LOWER CAMBRIAN ROCKS (UNDIFFERENTIATED) |
|
| CAMBRIAN AND ORDOVICIAN ROCKS (UNDIFFERENTIATED) |
|
| HIGHLAND BORDER COMPLEX [UNDER REVIEW; POSSIBLY OBSOLETE] |
|
| UNNAMED EXTRUSIVE ROCKS, CAMBRIAN |
|
| UNNAMED EXTRUSIVE ROCKS, CAMBRIAN |
|
| UNNAMED IGNEOUS INTRUSION, CAMBRIAN TO ORDOVICIAN |
|
| UNNAMED IGNEOUS INTRUSION, CAMBRIAN TO ORDOVICIAN |
| APPIN GROUP AND ARGYLL GROUP (UNDIFFERENTIATED) |
| APPIN GROUP AND ARGYLL GROUP (UNDIFFERENTIATED) |
|
| APPIN GROUP |
|
| APPIN GROUP |
| APPIN GROUP |
| ARGYLL GROUP |
|
| ARGYLL GROUP |
| ARGYLL GROUP |
| ARGYLL GROUP |
|
| ARGYLL GROUP |
| BOUNDARY ZONE COMPLEX |
| GLENFINNAN GROUP |
| GLENFINNAN GROUP |
| GLENFINNAN GROUP |
|
| GLENFINNAN GROUP |
| GRAMPIAN GROUP |
|
| GRAMPIAN GROUP |
|
| LOCH EIL GROUP |
|
| LOCH EIL GROUP |
|
| LOCH EIL GROUP |
|
| LOCH EIL GROUP |
| MOINE SUPERGROUP |
| MOINE SUPERGROUP |
|
| MOINE SUPERGROUP |
|
| MOINE SUPERGROUP |
|
| MOINE SUPERGROUP |
|
| MORAR GROUP |
|
| MORAR GROUP |
|
| MORAR GROUP |
|
| QUEYFIRTH GROUP |
|
| SOUTHERN HIGHLAND GROUP |
|
| SOUTHERN HIGHLAND GROUP |
|
| SOUTHERN HIGHLAND GROUP |
| SOUTHERN HIGHLAND GROUP |
|
| SOUTHERN HIGHLAND GROUP |
| STOER GROUP |
| SLEAT GROUP |
|
| TORRIDON GROUP |
|
| UNNAMED EXTRUSIVE ROCKS, NEOPROTEROZOIC |
|
| UNNAMED EXTRUSIVE ROCKS, NEOPROTEROZOIC |
|
| UNNAMED EXTRUSIVE ROCKS, NEOPROTEROZOIC |
|
| UNNAMED EXTRUSIVE ROCKS, NEOPROTEROZOIC |
|
| UNNAMED IGNEOUS INTRUSION, NEOPROTEROZOIC |
| UNNAMED IGNEOUS INTRUSION, NEOPROTEROZOIC |
| UNNAMED IGNEOUS INTRUSION, NEOPROTEROZOIC |
| UNNAMED IGNEOUS INTRUSION, NEOPROTEROZOIC |
| UNNAMED METAMORPHIC ROCKS, NEOPROTEROZOIC |
| UNNAMED METAMORPHIC ROCKS, NEOPROTEROZOIC |
| UNNAMED METASEDIMENTARY ROCKS, NEOPROTEROZOIC |
|
| MESOPROTEROZOIC ROCKS (UNDIFFERENTIATED) |
|
| UNNAMED EXTRUSIVE ROCKS, PALAEOPROTEROZOIC |
| UNNAMED IGNEOUS INTRUSION, PALAEOPROTEROZOIC |
|
| UNNAMED IGNEOUS INTRUSION, PALAEOPROTEROZOIC |
|
| UNNAMED IGNEOUS INTRUSION, PALAEOPROTEROZOIC |
| LOCH MAREE GROUP |
|
| STRATHY COMPLEX |
| LEWISIAN COMPLEX |
|
| LEWISIAN COMPLEX |
|
| LEWISIAN COMPLEX |
|
| UNNAMED METAMORPHIC ROCKS, PRE-CALEDONIAN TO CALEDONIAN |
|
| RED BAY FORMATION |
