| FAULT ZONE ROCKS, UNASSIGNED - MYLONITIC-ROCK AND FAULT-BRECCIA |
| NEOGENE ROCKS (UNDIFFERENTIATED) - GRAVEL, SAND, SILT AND CLAY |
| NEOGENE TO QUATERNARY ROCKS (UNDIFFERENTIATED) - GRAVEL, SAND, SILT AND CLAY |
| LOUGH NEAGH CLAYS GROUP - CLAY AND LIGNITE |
| BRACKLESHAM GROUP AND BARTON GROUP (UNDIFFERENTIATED) - SAND, SILT AND CLAY |
| EOCENE TO MIOCENE ROCKS (UNDIFFERENTIATED) - CLAY, SILT, SAND AND GRAVEL |
| THAMES GROUP - CLAY, SILT, SAND AND GRAVEL |
| THANET SAND FORMATION - SAND, SILT AND CLAY |
| LAMBETH GROUP - CLAY, SILT, SAND AND GRAVEL |
| SOLENT GROUP - CLAY, SILT AND SAND |
| UNNAMED EXTRUSIVE ROCKS, PALAEOGENE - FELSIC LAVA AND FELSIC TUFF |
| UNNAMED EXTRUSIVE ROCKS, PALAEOGENE - MAFIC LAVA AND MAFIC TUFF |
| UNNAMED IGNEOUS INTRUSION, PALAEOGENE - FELSIC-ROCK |
| UNNAMED IGNEOUS INTRUSION, PALAEOGENE - MAFIC IGNEOUS-ROCK |
| UNNAMED IGNEOUS INTRUSION, PALAEOGENE - PYROCLASTIC-ROCK |
| UNNAMED IGNEOUS INTRUSION, PALAEOGENE - ULTRAMAFITITE |
| GREY CHALK SUBGROUP - CHALK |
| WHITE CHALK SUBGROUP - CHALK |
| HIBERNIAN GREENSANDS FORMATION AND ULSTER WHITE LIMESTONE FORMATION (UNDIFFERENTIATED) - CHALK AND S |
| UPPER CRETACEOUS TO PALAEOGENE ROCKS (UNDIFFERENTIATED) - CONGLOMERATE, SANDSTONE, SILTSTONE AND MUD |
| GAULT FORMATION AND UPPER GREENSAND FORMATION (UNDIFFERENTIATED) - MUDSTONE, SANDSTONE AND LIMESTONE |
| LOWER GREENSAND GROUP - SANDSTONE AND MUDSTONE |
| WEALDEN GROUP - MUDSTONE, SILTSTONE AND SANDSTONE |
| WEALDEN GROUP - SANDSTONE AND SILTSTONE, INTERBEDDED |
| PURBECK LIMESTONE GROUP - LIMESTONE AND MUDSTONE, INTERBEDDED |
| PORTLAND GROUP - LIMESTONE AND CALCAREOUS SANDSTONE |
| CORALLIAN GROUP - LIMESTONE, SANDSTONE, SILTSTONE AND MUDSTONE |
| WEST WALTON FORMATION, AMPTHILL CLAY FORMATION AND KIMMERIDGE CLAY FORMATION (UNDIFFERENTIATED) - MU |
| UPPER JURASSIC ROCKS (UNDIFFERENTIATED) - MUDSTONE, SILTSTONE AND SANDSTONE |
| KELLAWAYS FORMATION AND OXFORD CLAY FORMATION (UNDIFFERENTIATED) - MUDSTONE, SILTSTONE AND SANDSTONE |
| GREAT OOLITE GROUP - SANDSTONE, LIMESTONE AND ARGILLACEOUS ROCKS |
| INFERIOR OOLITE GROUP - LIMESTONE, SANDSTONE, SILTSTONE AND MUDSTONE |
| RAVENSCAR GROUP - SANDSTONE, SILTSTONE AND MUDSTONE |
| MIDDLE JURASSIC ROCKS (UNDIFFERENTIATED) - MUDSTONE, SANDSTONE AND LIMESTONE |
| LIAS GROUP - MUDSTONE, SILTSTONE, LIMESTONE AND SANDSTONE |
| MERCIA MUDSTONE GROUP - MUDSTONE, SANDSTONE AND LIMESTONE |
| TRIASSIC ROCKS (UNDIFFERENTIATED) - MUDSTONE, SILTSTONE AND SANDSTONE |
| TRIASSIC ROCKS (UNDIFFERENTIATED) - SANDSTONE AND CONGLOMERATE, INTERBEDDED |
| BELFAST GROUP - SANDSTONE AND [SUBEQUAL/SUBORDINATE] LIMESTONE, INTERBEDDED |
| SHERWOOD SANDSTONE GROUP - SANDSTONE, SILTSTONE AND MUDSTONE |
| ZECHSTEIN GROUP - DOLOMITISED LIMESTONE AND DOLOMITE |
| ENLER GROUP - SANDSTONE AND SUBORDINATE BRECCIA |
| STEWARTRY GROUP - SANDSTONE, BRECCIA AND CONGLOMERATE |
| APPLEBY GROUP - SANDSTONE AND CONGLOMERATE, INTERBEDDED |
| NEW RED SANDSTONE SUPERGROUP - SANDSTONE, BRECCIA AND CONGLOMERATE |
| PERMIAN ROCKS (UNDIFFERENTIATED) - MUDSTONE, SILTSTONE AND SANDSTONE |
| PERMIAN ROCKS (UNDIFFERENTIATED) - SANDSTONE AND CONGLOMERATE, INTERBEDDED |
| UNNAMED EXTRUSIVE ROCKS, PERMIAN - FELSIC LAVA |
| UNNAMED EXTRUSIVE ROCKS, PERMIAN - MAFIC LAVA AND MAFIC TUFF |
| UNNAMED EXTRUSIVE ROCKS, PERMIAN - MAFIC LAVA |
| PENNINE UPPER COAL MEASURES FORMATION - MUDSTONE, SILTSTONE, SANDSTONE, COAL, IRONSTONE AND FERRICRE |
| SOUTH WALES UPPER COAL MEASURES FORMATION - MUDSTONE, SILTSTONE, SANDSTONE, COAL, IRONSTONE AND FERR |
| PENNINE MIDDLE COAL MEASURES FORMATION AND SOUTH WALES MIDDLE COAL MEASURES FORMATION (UNDIFFERENTIA |
| WARWICKSHIRE GROUP - MUDSTONE, SILTSTONE, SANDSTONE, COAL, IRONSTONE AND FERRICRETE |
| WARWICKSHIRE GROUP - SILTSTONE AND SANDSTONE WITH SUBORDINATE MUDSTONE |
| SCOTTISH COAL MEASURES GROUP - MUDSTONE, SILTSTONE, SANDSTONE, COAL, IRONSTONE AND FERRICRETE |
| PENNINE COAL MEASURES GROUP - MUDSTONE, SILTSTONE, SANDSTONE, COAL, IRONSTONE AND FERRICRETE |
| PENNINE LOWER COAL MEASURES FORMATION AND SOUTH WALES LOWER COAL MEASURES FORMATION (UNDIFFERENTIATE |
| SLIEVEBANE GROUP - SANDSTONE AND CONGLOMERATE, INTERBEDDED |
| COAL MEASURES GROUP [OBSOLETE EXCEPT IN NORTHERN IRELAND: USE PCM, SWCM, CMSC] - MUDSTONE, SILTSTON |
| HOLSWORTHY GROUP - MUDSTONE, SILTSTONE AND SANDSTONE |
| MILLSTONE GRIT GROUP [SEE ALSO MIGR] - MUDSTONE, SILTSTONE AND SANDSTONE |
| UNNAMED EXTRUSIVE ROCKS, SILESIAN - MAFIC LAVA AND MAFIC TUFF |
| CLACKMANNAN GROUP - SEDIMENTARY ROCK CYCLES, CLACKMANNAN GROUP TYPE |
| KILSKEERY GROUP - SANDSTONE, MUDSTONE, SILTSTONE AND CONGLOMERATE |
| YOREDALE GROUP - LIMESTONE, ARGILLACEOUS ROCKS AND SUBORDINATE SANDSTONE, INTERBEDDED |
| YOREDALE GROUP - LIMESTONE WITH SUBORDINATE SANDSTONE AND ARGILLACEOUS ROCKS |
| YOREDALE GROUP - LIMESTONE, SANDSTONE, SILTSTONE AND MUDSTONE |
| ARMAGH GROUP - LIMESTONE, ARGILLACEOUS ROCKS AND SUBORDINATE SANDSTONE, INTERBEDDED |
| BORDER GROUP - SANDSTONE WITH SUBORDINATE ARGILLACEOUS ROCKS AND LIMESTONE |
| STRATHCLYDE GROUP - SEDIMENTARY ROCK CYCLES, STRATHCLYDE GROUP TYPE |
| LEITRIM GROUP - SANDSTONE, MUDSTONE, SILTSTONE AND CONGLOMERATE |
| BOWLAND HIGH GROUP AND CRAVEN GROUP (UNDIFFERENTIATED) - LIMESTONE |
| BOWLAND HIGH GROUP AND CRAVEN GROUP (UNDIFFERENTIATED) - MUDSTONE, SILTSTONE AND SANDSTONE |
| HOLYWOOD GROUP - SANDSTONE, CONGLOMERATE AND [SUBORDINATE] ARGILLACEOUS ROCKS |
| INVERCLYDE GROUP - SANDSTONE, SILTSTONE AND MUDSTONE |
| OMAGH SANDSTONE GROUP - SANDSTONE, SILTSTONE AND MUDSTONE |
| OWENKILLEW SANDSTONE GROUP - SANDSTONE AND [SUBEQUAL/SUBORDINATE] ARGILLACEOUS ROCKS, INTERBEDDED |
| ROE VALLEY GROUP - SANDSTONE, CONGLOMERATE AND [SUBORDINATE] ARGILLACEOUS ROCKS |
| TYRONE GROUP - LIMESTONE, MUDSTONE, SANDSTONE AND SILTSTONE, WITH SUBORDINATE CHERT, COAL AND CONGLO |
| DINANTIAN ROCKS (UNDIFFERENTIATED) - LIMESTONE WITH SUBORDINATE SANDSTONE AND ARGILLACEOUS ROCKS |
| DINANTIAN ROCKS (UNDIFFERENTIATED) - SANDSTONE, LIMESTONE AND ARGILLACEOUS ROCKS |
| UNNAMED EXTRUSIVE ROCKS, DINANTIAN - FELSIC LAVA AND FELSIC TUFF |
| UNNAMED EXTRUSIVE ROCKS, DINANTIAN - MAFIC LAVA AND MAFIC TUFF |
| UNNAMED EXTRUSIVE ROCKS, CARBONIFEROUS - MAFIC LAVA AND MAFIC TUFF |
| UNNAMED EXTRUSIVE ROCKS, CARBONIFEROUS - MAFIC LAVA |
| UNNAMED EXTRUSIVE ROCKS, CARBONIFEROUS - MAFIC TUFF |
| UNNAMED IGNEOUS INTRUSION, CARBONIFEROUS TO PERMIAN - DOLERITE AND THOLEIITIC BASALT |
| UNNAMED IGNEOUS INTRUSION, CARBONIFEROUS TO PERMIAN - FELSIC-ROCK |
| UNNAMED IGNEOUS INTRUSION, CARBONIFEROUS TO PERMIAN - MAFIC IGNEOUS-ROCK |
| UNNAMED IGNEOUS INTRUSION, CARBONIFEROUS TO PERMIAN - PYROCLASTIC-ROCK |
| SHANMULLAGH FORMATION - SANDSTONE, MUDSTONE, SILTSTONE AND CONGLOMERATE |
| TEIGN VALLEY GROUP - MUDSTONE, SILTSTONE AND SANDSTONE |
| STRATHEDEN GROUP - SANDSTONE AND CONGLOMERATE, INTERBEDDED |
| UPPER DEVONIAN ROCKS (UNDIFFERENTIATED) - BRECCIA AND METABRECCIA |
| UPPER DEVONIAN ROCKS (UNDIFFERENTIATED) - MUDSTONE, SILTSTONE AND SANDSTONE |
| UPPER DEVONIAN ROCKS (UNDIFFERENTIATED) - SANDSTONE AND CONGLOMERATE, INTERBEDDED |
| UPPER OLD RED SANDSTONE - CONGLOMERATE, SANDSTONE, SILTSTONE AND MUDSTONE |
| FINTONA GROUP - SANDSTONE, MUDSTONE, SILTSTONE AND CONGLOMERATE |
| MIDDLE DEVONIAN (UNDIFFERENTIATED) - MUDSTONE, SILTSTONE AND SANDSTONE |
| MIDDLE DEVONIAN (UNDIFFERENTIATED) - SANDSTONE AND CONGLOMERATE, INTERBEDDED |
| MIDDLE OLD RED SANDSTONE (UNDIFFERENTIATED) - CONGLOMERATE, SANDSTONE, SILTSTONE AND MUDSTONE |
| STRATHMORE GROUP - SANDSTONE WITH SUBORDINATE CONGLOMERATE, SILTSTONE AND MUDSTONE |
| ARBUTHNOTT-GARVOCK GROUP - SANDSTONE WITH SUBORDINATE CONGLOMERATE, SILTSTONE AND MUDSTONE |
| CROSS SLIEVE GROUP - CONGLOMERATE AND [SUBEQUAL/SUBORDINATE] SANDSTONE, INTERBEDDED |
| LOWER DEVONIAN ROCKS (UNDIFFERENTIATED) - MUDSTONE, SILTSTONE AND SANDSTONE |
| LOWER DEVONIAN ROCKS (UNDIFFERENTIATED) - SANDSTONE AND CONGLOMERATE, INTERBEDDED |
| LOWER OLD RED SANDSTONE - CONGLOMERATE, SANDSTONE, SILTSTONE AND MUDSTONE |
| DEVONIAN ROCKS (UNDIFFERENTIATED) - HORNBLENDE SCHIST |
| DEVONIAN ROCKS (UNDIFFERENTIATED) - LIMESTONE, MUDSTONE AND CALCAREOUS MUDSTONE |
| DEVONIAN ROCKS (UNDIFFERENTIATED) - MICA SCHIST |
| UNNAMED EXTRUSIVE ROCKS, DEVONIAN - MAFIC LAVA AND MAFIC TUFF |
| UNNAMED EXTRUSIVE ROCKS, DEVONIAN - MAFIC LAVA |
| UNNAMED EXTRUSIVE ROCKS, DEVONIAN - MAFIC TUFF |
| UNNAMED IGNEOUS INTRUSION, DEVONIAN - FELSIC-ROCK |
| UNNAMED IGNEOUS INTRUSION, DEVONIAN - MAFIC IGNEOUS-ROCK |
| UNNAMED IGNEOUS INTRUSION, DEVONIAN - ULTRAMAFITITE |
| OLD RED SANDSTONE SUPERGROUP - CONGLOMERATE, SANDSTONE, SILTSTONE AND MUDSTONE |
| PRIDOLI ROCKS (UNDIFFERENTIATED) - MUDSTONE, SILTSTONE AND SANDSTONE |
| PRIDOLI ROCKS (UNDIFFERENTIATED) - SANDSTONE AND CONGLOMERATE, INTERBEDDED |
| DUNNOTTAR-CRAWTON GROUP - SANDSTONE AND CONGLOMERATE, INTERBEDDED |
| LUDLOW ROCKS (UNDIFFERENTIATED) - MUDSTONE, SILTSTONE AND SANDSTONE |
| RESTON GROUP - CONGLOMERATE AND [SUBEQUAL/SUBORDINATE] SANDSTONE, INTERBEDDED |
| UNNAMED IGNEOUS INTRUSION, LATE SILURIAN TO EARLY DEVONIAN - FELSIC-ROCK |
| UNNAMED IGNEOUS INTRUSION, LATE SILURIAN TO EARLY DEVONIAN - MAFIC IGNEOUS-ROCK |
| UNNAMED IGNEOUS INTRUSION, LATE SILURIAN TO EARLY DEVONIAN - PYROCLASTIC-ROCK |
| UNNAMED IGNEOUS INTRUSION, LATE SILURIAN TO EARLY DEVONIAN - ULTRAMAFITITE |
| RICCARTON GROUP - WACKE |
| STONEHAVEN GROUP - SANDSTONE WITH SUBORDINATE CONGLOMERATE AND SILTSTONE |
| WENLOCK ROCKS (UNDIFFERENTIATED) - MUDSTONE, SILTSTONE AND SANDSTONE |
| WENLOCK ROCKS (UNDIFFERENTIATED) - SANDSTONE AND CONGLOMERATE, INTERBEDDED |
| GALA GROUP - WACKE |
| HAWICK GROUP - WACKE |
| LLANDOVERY ROCKS (UNDIFFERENTIATED) - MUDSTONE, SILTSTONE AND SANDSTONE |
| LLANDOVERY ROCKS (UNDIFFERENTIATED) - SANDSTONE AND CONGLOMERATE, INTERBEDDED |
| LANARK GROUP - SANDSTONE AND CONGLOMERATE, INTERBEDDED |
| SILURIAN ROCKS (UNDIFFERENTIATED) - LIMESTONE, MUDSTONE AND CALCAREOUS MUDSTONE |
| SILURIAN ROCKS (UNDIFFERENTIATED) - MUDSTONE, SILTSTONE AND SANDSTONE |
| SILURIAN ROCKS (UNDIFFERENTIATED) - SANDSTONE AND CONGLOMERATE, INTERBEDDED |
| UNNAMED EXTRUSIVE ROCKS, SILURIAN - FELSIC LAVA AND FELSIC TUFF |
| UNNAMED EXTRUSIVE ROCKS, SILURIAN - MAFIC LAVA AND MAFIC TUFF |
| UNNAMED EXTRUSIVE ROCKS, SILURIAN TO DEVONIAN - FELSIC LAVA AND FELSIC TUFF |
| UNNAMED EXTRUSIVE ROCKS, SILURIAN TO DEVONIAN - MAFIC LAVA AND MAFIC TUFF |
| ASHGILL ROCKS (UNDIFFERENTIATED) - MUDSTONE, SILTSTONE AND SANDSTONE |
| BLACKCRAIG FORMATION AND GALDENOCH FORMATION (UNDIFFERENTIATED) - WACKE |
| CARADOC ROCKS (UNDIFFERENTIATED) - MUDSTONE, SILTSTONE AND SANDSTONE |
| KIRKCOLM FORMATION - WACKE |
| PORTPATRICK FORMATION AND GLENWHARGEN FORMATION (UNDIFFERENTIATED) - WACKE |
| SHINNEL FORMATION AND GLENLEE FORMATION (UNDIFFERENTIATED) - WACKE |
| LEADHILLS SUPERGROUP - WACKE |
| LLANVIRN ROCKS (UNDIFFERENTIATED) - MUDSTONE, SILTSTONE AND SANDSTONE |
| TAPPINS GROUP - WACKE |
| ARENIG ROCKS (UNDIFFERENTIATED) - MUDSTONE, SILTSTONE AND SANDSTONE |
| CRAWFORD GROUP AND MOFFAT SHALE GROUP (UNDIFFERENTIATED) - MUDSTONE, CHERT AND SMECTITE-CLAYSTONE |
| TREMADOC ROCKS (UNDIFFERENTIATED) - MUDSTONE, SILTSTONE AND SANDSTONE |
| ORDOVICIAN ROCKS (UNDIFFERENTIATED) - MUDSTONE, SILTSTONE AND SANDSTONE |
| ORDOVICIAN ROCKS (UNDIFFERENTIATED) - SANDSTONE AND CONGLOMERATE, INTERBEDDED |
| UNNAMED EXTRUSIVE ROCKS, ORDOVICIAN - FELSIC LAVA |
| UNNAMED EXTRUSIVE ROCKS, ORDOVICIAN - FELSIC TUFF |
| UNNAMED EXTRUSIVE ROCKS, ORDOVICIAN - FELSIC LAVA AND FELSIC TUFF |
| UNNAMED EXTRUSIVE ROCKS, ORDOVICIAN - MAFIC LAVA AND MAFIC TUFF |
| UNNAMED EXTRUSIVE ROCKS, ORDOVICIAN - MAFIC LAVA |
| UNNAMED EXTRUSIVE ROCKS, ORDOVICIAN - MAFIC TUFF |
| UNNAMED IGNEOUS INTRUSION, ORDOVICIAN TO SILURIAN - FELSIC-ROCK |
| UNNAMED IGNEOUS INTRUSION, ORDOVICIAN TO SILURIAN - MAFIC IGNEOUS-ROCK |
| UNNAMED IGNEOUS INTRUSION, ORDOVICIAN TO SILURIAN - SYENITIC-ROCK |
| UNNAMED IGNEOUS INTRUSION, ORDOVICIAN TO SILURIAN - ULTRAMAFITITE |
| UNST PHYLLITE GROUP - PELITE |
| UPPER CAMBRIAN, INCLUDING TREMADOC - MUDSTONE, SILTSTONE AND SANDSTONE |
| UPPER CAMBRIAN, INCLUDING TREMADOC - METASEDIMENTARY ROCK |
| UPPER CAMBRIAN, INCLUDING TREMADOC - SANDSTONE AND CONGLOMERATE, INTERBEDDED |
| MIDDLE CAMBRIAN - MUDSTONE, SILTSTONE AND SANDSTONE |
| ARDVRECK GROUP - QUARTZ-ARENITE |
| DURNESS GROUP - DOLOSTONE |
| LOWER CAMBRIAN ROCKS (UNDIFFERENTIATED) - MUDSTONE, SILTSTONE AND SANDSTONE |
| LOWER CAMBRIAN ROCKS (UNDIFFERENTIATED) - SANDSTONE AND CONGLOMERATE, INTERBEDDED |
| CAMBRIAN AND ORDOVICIAN ROCKS (UNDIFFERENTIATED) - MAFIC LAVA AND MAFIC TUFF |
| HIGHLAND BORDER COMPLEX [UNDER REVIEW; POSSIBLY OBSOLETE] - SERPENTINITE, METABASALT, METALIMESTONE |
| UNNAMED EXTRUSIVE ROCKS, CAMBRIAN - FELSIC TUFF |
| UNNAMED EXTRUSIVE ROCKS, CAMBRIAN - MAFIC LAVA |
| UNNAMED IGNEOUS INTRUSION, CAMBRIAN TO ORDOVICIAN - MAFIC IGNEOUS-ROCK |
| UNNAMED IGNEOUS INTRUSION, CAMBRIAN TO ORDOVICIAN - ULTRAMAFITITE |
| APPIN GROUP AND ARGYLL GROUP (UNDIFFERENTIATED) - METALIMESTONE |
| APPIN GROUP AND ARGYLL GROUP (UNDIFFERENTIATED) - PSAMMITE, SEMIPELITE AND PELITE |
| APPIN GROUP - METALIMESTONE |
| APPIN GROUP - GRAPHITIC PELITE, CALCAREOUS PELITE, CALCSILICATE-ROCK AND PSAMMITE |
| APPIN GROUP - QUARTZITE |
| ARGYLL GROUP - DIAMICTITE |
| ARGYLL GROUP - METALIMESTONE |
| ARGYLL GROUP - METAVOLCANICLASTIC IGNEOUS-ROCK AND METAVOLCANICLASTIC SEDIMENTARY-ROCK |
| ARGYLL GROUP - PSAMMITE, SEMIPELITE AND PELITE |
| ARGYLL GROUP - QUARTZITE |
| BOUNDARY ZONE COMPLEX - GNEISSOSE SEMIPELITE AND GNEISSOSE PSAMMITE |
| GLENFINNAN GROUP - PELITE |
| GLENFINNAN GROUP - PSAMMITE |
| GLENFINNAN GROUP - PSAMMITE AND PELITE |
| GLENFINNAN GROUP - QUARTZITE |
| GRAMPIAN GROUP - PSAMMITE AND SEMIPELITE |
| GRAMPIAN GROUP - QUARTZITE |
| LOCH EIL GROUP - METALIMESTONE |
| LOCH EIL GROUP - PELITE |
| LOCH EIL GROUP - PSAMMITE |
| LOCH EIL GROUP - QUARTZITE |
| MOINE SUPERGROUP - GNEISSOSE PSAMMITE AND GNEISSOSE SEMIPELITE |
| MOINE SUPERGROUP - MIGMATITIC ROCK |
| MOINE SUPERGROUP - PSAMMITE |
| MOINE SUPERGROUP - QUARTZITE |
| MOINE SUPERGROUP - SEMIPELITE |
| MORAR GROUP - PSAMMITE |
| MORAR GROUP - PSAMMITE, SEMIPELITE AND PELITE |
| MORAR GROUP - SEMIPELITE AND PELITE |
| QUEYFIRTH GROUP - PSAMMITE, PELITE, SEMIPELITE AND CALCSILICATE-ROCK |
| SOUTHERN HIGHLAND GROUP - LAVA, TUFF, VOLCANICLASTIC ROCK AND SEDIMENTARY ROCK |
| SOUTHERN HIGHLAND GROUP - METALIMESTONE |
| SOUTHERN HIGHLAND GROUP - PELITE |
| SOUTHERN HIGHLAND GROUP - PSAMMITE AND PELITE |
| SOUTHERN HIGHLAND GROUP - QUARTZITE |
| STOER GROUP - BRECCIA, CONGLOMERATE AND SANDSTONE |
| SLEAT GROUP - SANDSTONE, MUDSTONE, SILTSTONE AND CONGLOMERATE |
| TORRIDON GROUP - SANDSTONE AND MUDSTONE |
| UNNAMED EXTRUSIVE ROCKS, NEOPROTEROZOIC - FELSIC LAVA |
| UNNAMED EXTRUSIVE ROCKS, NEOPROTEROZOIC - FELSIC TUFF |
| UNNAMED EXTRUSIVE ROCKS, NEOPROTEROZOIC - MAFIC LAVA AND MAFIC TUFF |
| UNNAMED EXTRUSIVE ROCKS, NEOPROTEROZOIC - LAVA AND TUFF |
| UNNAMED IGNEOUS INTRUSION, NEOPROTEROZOIC - FELSIC-ROCK |
| UNNAMED IGNEOUS INTRUSION, NEOPROTEROZOIC - MAFITE |
| UNNAMED IGNEOUS INTRUSION, NEOPROTEROZOIC - MAFIC IGNEOUS-ROCK |
| UNNAMED IGNEOUS INTRUSION, NEOPROTEROZOIC - ULTRAMAFITITE |
| UNNAMED METAMORPHIC ROCKS, NEOPROTEROZOIC - HORNBLENDE SCHIST |
| UNNAMED METAMORPHIC ROCKS, NEOPROTEROZOIC - METALIMESTONE |
| UNNAMED METASEDIMENTARY ROCKS, NEOPROTEROZOIC - MUDSTONE, SANDSTONE AND CONGLOMERATE |
| MESOPROTEROZOIC ROCKS (UNDIFFERENTIATED) - PSAMMITE, SEMIPELITE AND PELITE |
| UNNAMED EXTRUSIVE ROCKS, PALAEOPROTEROZOIC - MAFIC LAVA AND MAFIC TUFF |
| UNNAMED IGNEOUS INTRUSION, PALAEOPROTEROZOIC - ANORTHOSITE |
| UNNAMED IGNEOUS INTRUSION, PALAEOPROTEROZOIC - FELSIC-ROCK |
| UNNAMED IGNEOUS INTRUSION, PALAEOPROTEROZOIC - MAFIC IGNEOUS-ROCK |
| LOCH MAREE GROUP - SCHIST |
| STRATHY COMPLEX - GNEISS |
| LEWISIAN COMPLEX - MAFIC GNEISS |
| LEWISIAN COMPLEX - GNEISS |
| LEWISIAN COMPLEX - METASEDIMENTARY ROCK |
| UNNAMED METAMORPHIC ROCKS, PRE-CALEDONIAN TO CALEDONIAN - GNEISSOSE PSAMMITE AND GNEISSOSE SEMIPELIT |
| RED BAY FORMATION - CONGLOMERATE AND [SUBEQUAL/SUBORDINATE] SANDSTONE, INTERBEDDED |