| Kilmore Formation |
| Achill Head Formation |
| Addergoole River Formation |
| Aghyaran & Killygordon Limestone Fo |
| Lifford Volcanic Member |
| Marble unit |
| Aghaward Formation |
| Aghamore Formation |
| Altan Limestone Formation |
| Old Road Member |
| Annagh Division (undifferentiated) |
| Ards Pelite Formation |
| Ards Quartzite Formation |
| Ardvarney Formation |
| Arva Granodiorite |
| Balbriggan Formation |
| Bangor/Corslieve Formation |
| Carrafull Member |
| Owenmore Member |
| Ballycong Limestone Formation |
| Belcamp Formation |
| Belderg Formation |
| Bellagarvaun Formation |
| Benmore Formation\ Broad Haven Form |
| Benmore Formation |
| Ballybeg Park Limestone Formation |
| Boultypatrick (Grit) Formation |
| Briska Boulder Bed Formation |
| Bangor Church Banded Member |
| Bangor Reservoir Dolomitic Schist M |
| Broad Haven Formation |
| Broomfield Formation |
| Brittstown Formation |
| Ballyhean Formation |
| Bryanstown Formation |
| Derravaragh Cherts |
| Liscarton Formation |
| Meath Formation |
| Stackallan Member |
| Moathill Formation |
| Ardenagh Formation |
| BALLYCOGLY GROUP |
| Blackhall Formation |
| Booley Bay Formation |
| Bray Head Formation |
| in Bray Head Formation |
| Bray Group |
| Cahore House Formation |
| Cahore Point Formation |
| Cullentra Formation |
| Cross Lake Formation |
| Cullenstown Formation |
| Devils Glen Formation |
| in Devils Glen Formation |
| Drumleck Formation |
| Elsinore Formation |
| Glascarrig Formation |
| Gaskins Leap Formation |
| Hippy Hole Formation |
| Kiln Bay Formation |
| Newtown Formation |
| Polldarrig Formation |
| Ballynacarrig Member |
| Pipers Gut Formation |
| Carnes Formation |
| Roney Formation |
| Carrysalia Formation |
| Shelmaliere Formation |
| Ardnasillagh Formation |
| Aghmacart Formation |
| Aughnanure Oolite Formation |
| Aille Limestone Formation |
| Aille and Barney Fms (undifferentia |
| Westport Oolite |
| Allenwood Formation |
| Armagh Group |
| Athassel Limestone Formation |
| Basal clastics |
| Ballyadams Formation |
| in Ballyadams Formation |
| Ballysteen Formation |
| Bullockpark Bay Member |
| in Bullockpark Bay Member |
| Lisduff Oolite Member |
| Ballynash Member |
| in Ballysteen Formation |
| in Ballysteen Formation |
| Ballina Limestone Formation (Lower) |
| Ballina Limestone Formation (Upper) |
| Banagher Sandstone Formation |
| Basal Beds |
| Ballycar Formation |
| Doobally Sandstone |
| Bellavally Shale Formation |
| Benbulben Shale Formation |
| Ballyglasheen Oolite Formation |
| Ballymore Limestone Formation |
| Ballymartin Formation |
| Borrisokane Formation |
| Boston Hill Formation |
| Boyne Formation |
| Ardmulchan Member |
| Beauparc Member |
| Kiln Hill Member |
| Bricklieve Limestone Formation |
| Bricklieve Limestone Formation (lower) |
| in Bricklieve Limestone Formation |
| Bricklieve Limestone Formation (upper) |
| Barney Limestone Formation |
| Bohoge Member |
| Kinturk Member |
| Ballyshannon Limestone Formation |
| Argillaceous limestones & calc. sha |
| Basal sandstones |
| Abbeytown Limestone |
| Newtownbutler Limestone Member |
| Red Hill Member |
| Bundoran Shale Formation |
| Mullynagowan Sandstone Member |
| Burren Formation |
| Aillwee Member |
| Aillwee member (lower) |
| Aillwee Member (upper) |
| Aillwee & Maumcaha Members |
| Ballard Member |
| Black Head Member |
| Fanore Member |
| Hawkhill Member |
| Maumcaha Member |
| Butlersgrove Formation |
| in Butlersgrove Formation |
| Ballynahone Micrite Formation |
| Boyle Sandstone Formation |
| Ballyness Formation |
| Ballyreagh Conglomerate Formation |
| Caherduggan Limestone Formation |
| Camillan Sandstone Formation |
| Capnagower Formation |
| Carraun Shale Formation |
| Doagh Limestone Member |
| Castlebar River Fm. / Lough Akeel F |
| Cong Canal Formation |
| Cong Limestone Formation |
| Carrickaness Sandstone Formation |
| Claragh Sandstone Formation |
| Cooldaragh Formation |
| Cloghan Sandstone Formation |
| Clonlusk Formation |
| Cloonagh Limestone Formation |
| Cracoean Reef Member |
| Clogrenan Formation |
| Kilmore Slump Member |
| Clashavodig Formation |
| Clogher Valley Formation |
| Copstown Limestone Formation |
| Courtmacsherry Formation |
| Cork Red Marble Formation |
| Cregg Limestone Formation |
| Coranellistrum Formation |
| Croane Formation |
| Croghan Limestone Formation |
| Crosspatrick Formation |
| Crows Point Formation |
| Crufty Formation |
| Cruicetown Group (undifferentiated) |
| Culmore Formation |
| Dartry Limestone Formation |
| Ballagh Limestone Member |
| Knockmore Reef, bedded facies |
| Knockmore Limestone Member |
| Legacurry Member |
| Carn Limestone Member |
| Carrickmacsparrow Limestone Member |
| in Dartry Limestone Formation |
| in Dartry Limestone Formation |
| Drumchorick Siltstone Formation |
| Dinantian Limestones (undifferentia |
| Drumgesh Shale Formation |
| Drumman More Sandstone Formation |
| Donabate Formation |
| Downpatrick Formation |
| Dargan Limestone |
| Dromkeen Limestone Formation |
| Dirtoge Limestone Formation |
| Duncormick Formation |
| Durnish Formation |
| Durrow Formation |
| Edenderry Oolite Member |
| Feighcullen Formation |
| Fennor Formation |
| Ferbane Mudstone Formation |
| Fingal Group (undifferentiated) |
| Fearnaght Formation |
| Fortwilliam Oolite Member |
| Glenade Sandstone Formation |
| Glencar Limestone Formation |
| Greyfield Formation |
| Hazelwood Limestone Formation |
| Herbertstown Formation |
| Herbertstown Limestone Formation |
| Holmpatrick Formation |
| Hore Abbey Limestone Formation |
| Illaunagappul Formation |
| Johnstown Red Marble Formation |
| Keenaghan Shale Formation |
| Killin Formation |
| Killuney Conglomerate Formation |
| Kinsale Formation |
| Cuskinny Member |
| Narrow Cove Member |
| Pigs Cove Member |
| Reenagough Member |
| Kilbryan Limestone Formation |
| Knockordan Limestone Formation |
| Knockmaa Formation |
| Knockroe Basalt Lava Flow Member |
| Knockroe Lithic Tuff Member |
| Knockroe Trachyte Lava Flow Member |
| Knockroe Vitric-Lithic Tuff Member |
| Knockseefin Volcanic Formation |
| Knockseefin Lava Flow Member |
| Knockseefin Lithic Tuff Member |
| Knockseefin Vitric Tuff Member |
| Kilsheelan Formation |
| Lane Formation |
| Lagganstown Formation |
| Lough Gur Formation |
| Loughshinny Formation |
| Mattock Member |
| Lismaline Micrite Formation |
| Little Island Formation |
| Lower Limestone Shale |
| Loughbeg Formation |
| Lispatrick Formation |
| Lisgorman Shale Formation |
| Leitrim Group |
| Lucan Formation |
| Boulder Conglomerate |
| Maam Formation |
| Malahide Formation |
| Meenymore Formation |
| Carnmore Sandstone Member |
| Glen Member |
| Quarry Sandstone Member |
| Mellon House Formation |
| Mornington Formation |
| Milford Formation |
| in Milford Formation |
| Milverton Group (undifferentiated) |
| Moy Sandstone Formation |
| Mooretown Formation |
| Muckros Sandstone Formation |
| Mullaghfin Formation |
| Killala Oolite Member |
| Mullaghmore Sandstone Formation |
| Maydown Limestone Formation |
| Naul Formation |
| Navan Beds |
| Rockfield Sandstone Member |
| Oakport Limestone Formation |
| Burrishoole Member |
| Creagh Member |
| Lough Carra Member |
| Oldchapel Limestone Formation |
| Oldcourt Cherty Limestone Formation |
| OMahonys Rock Formation |
| Owenriff Member |
| Waterfall Member |
| Parsonage & Corgrig Lodge Formation |
| Platin Formation |
| Porters Gate Formation |
| Quinagh Formation |
| Rathkeale Formation |
| Rathronan Formation |
| Reenydonagan Formation |
| Retreat Siltstone Formation |
| Rickardstown Formation |
| Ringmoylan Formation |
| Rinn Point Limestone Formation |
| Rockfield Limestone Formation |
| Rockfleet Bay Limestone Formation |
| Rush Conglomerate Formation |
| Shanagolden Formation |
| Silverspring Formation |
| Slane Castle Formation |
| Slevoir Formation |
| Smugglers Cave Formation |
| Slievenaglasha Formation |
| Aylecotty Member |
| Cullaun Member |
| Ballyelly Member |
| Fahee North Member |
| Lissylisheen Member |
| Balliny Member |
| Turret Volcanic Member |
| Subulter Volcanic Formation |
| Suir Limestone Formation |
| Terryglass Formation |
| Tober Colleen Formation |
| Topped Mountain Formation |
| Barr Church Andesite |
| Transition Beds |
| Tullyallen Formation |
| Tubber Formation |
| Cregmahon Member |
| Castlequarter Member |
| Fiddaun Member |
| Finavarra Member |
| Newtown Member |
| Twigspark Formation |
| Tonweeroe Formation |
| Argillaceous Limestones (Visean) |
| Ulster Canal Formation |
| Visean Limestones (undifferentiated |
| in Visean Limestones (undiff) |
| Waulsortian Limestones |
| in Waulsortian Limestones |
| Wexford Formation |
| in Wexford Formation |
| Caledonain Cloonfad Felsite |
| Croaghgarrow Formation |
| Bills Rocks Formation |
| Cloonygowan Formation |
| Deer Park Complex |
| Deer Park Schist Formation |
| Farnacht Formation |
| South Achillbeg Formation |
| Achillbeg Conglomerate Member |
| Achillbeg Lighthouse Psammite Membe |
| Achillbeg School Black Slate Member |
| Serpentinite |
| Claudy Formation |
| Clashford House Formation |
| Clogherhead Formation |
| Clontail Formation |
| Carricktriss Formation |
| Ardagh Shale Formation |
| Annabella Formation |
| Ballinamallard Mudstone Formation |
| Bencroy Shale Formation |
| Bencroy Sandstone Member |
| Ballynahown Sandstone Formation |
| Balrickard Formation |
| Bregaun Flagstone Formation |
| Briscloonagh Sandstone Formation |
| Cabra Formation |
| Corratober Bridge Formation |
| Central Clare Group |
| Carrickleck Formation |
| Carrickleck Sandstone Member |
| Cloone Flagstone Formation |
| Clare Shale Formation |
| Clontrain Formation |
| Dergvone Shale Formation |
| Lacoon Flagstone Member |
| Donore Formation |
| Cruicerath Member |
| East Point Formation |
| Farranacliff Formation |
| Feale Sandstone Formation |
| Giants Grave Formation |
| Glenoween Shale Formation |
| Gowlaun Shale Formation |
| Gull Island Formation |
| Corn Hill Formation |
| Killeshin Siltstone Formation |
| Lackagh Sandstone Formation |
| Lackantedane Formation |
| Caherconreafy Member |
| Longstone Flagstone Member |
| Longstone Shale Member |
| Luggacurren Shale Formation |
| Middle Battery Formation |
| Namurian (undifferentiated) |
| Ross Sandstone Formation |
| Shannon Group |
| Shrough Formation |
| Tullig Sandstone |
| White Strand Formation |
| Walshestown Formation |
| Collon Formation |
| Craggagh Shale Formation |
| Lower Sandstone Member |
| Upper Sandstone Member |
| Creeslough Formation |
| Cranford Limestone Formation |
| Croaghaun Formation |
| Gubroe Quartzite Member |
| Croaghubbrid Pelite Formation |
| Croveenananta Formation |
| Trachyte |
| Clatterstown Formation |
| Culdaff Limestone Formation |
| Liscarroll Limestone Formation |
| Clay Gall Sandstone Formation |
| Coolbaun Formation |
| Swan Sandstone Member |
| Drumlish Conglomerate Formation |
| Lickfinn Coal Formation |
| Moanour Formation |
| Moyadd Coal Formation |
| Westphalian (undifferentiated) |
| Carrickdexter Formation |
| Conglomerate & pebbly sandstone |
| Bealtra volcaniclastic rocks |
| Beginish Island Intrusion |
| Ballymastocker Formation |
| Edergole Formation |
| Gortfinbar Conglomerate Formation |
| Raveagh Sandstone Formation |
| Basalt |
| Kilmore Formation |
| Old Red Sandstone (undifferentiated |
| Doogort Boulder Bed Formation |
| Doogort Beach Schist Formation |
| Doogort Dolomite Formation |
| Doogort Quartzite Formation |
| Doogort Road Formation |
| Doogort schist Formation |
| Derryharriff Formation |
| Denhamstown Formation |
| Lacka Sandstone Formation |
| Ballyferriter Formation |
| Bulls Head Formation |
| Ballymore Sandstone Formation |
| in Ballymore Sandstone Formation |
| Coumeenoole Sandstone Formation |
| Eask Sandstone Formation |
| Glashabeg Conglomerate Formation |
| Coosgorrib Conglomerate Member |
| Coosmore Conglomerate Member |
| Coosglass Conglomerate Member |
| Graffa More Formation |
| Keadew Formation |
| Sheegorey Member |
| Moygara Formation |
| Slea Head Formation |
| Trabeg Conglomerate Formation |
| Bird Hill Formation |
| Birreen Formation |
| Ballydavid Formation |
| Croaghmoyle Formation |
| Farran Sandstone Formation |
| Gortanimill Formation |
| Inch Conglomerate Formation |
| Kilmurry Sandstone Formation |
| Pigeon Rock Formation |
| Sauce Creek Formation |
| Slaheny Sandstone Formation |
| Doon-na-Dell Schist Formation |
| Doolough (per-alkaline) Granite Gne |
| Dooagh Schist Formation |
| Doonamo Formation |
| Aughernagalliagh Quartzite Member |
| Moyny Point Limestone Member |
| Ardane Formation |
| Ayle River Formation |
| Ballinskelligs Sandstone Formation |
| Ardnagluggen Sandstone Member |
| Doulus Head Conglomerate Member |
| in Ballinskelligs Sandstone Fm. |
| Ballytrasna Formation |
| Doon Lava Member |
| Mine Head Member |
| Carrigcleenamore Volcanics |
| Capard Formation |
| Cappagh Sandstone Formation |
| Cappagh White Sandstone Formation |
| Carrigmaclea Formation |
| Castlehaven Formation |
| in Castlehaven Formation |
| Cadamstown Formation |
| Clonaslee Member |
| Caha Mountain Formation |
| Coumaraglin Formation |
| Comeragh Conglomerate Sandstone Gro |
| Coumshingaun Conglomerate Formation |
| Carrigduff Volcanic Member |
| Coolnahorna Volcanic Member |
| Croughaun Formation |
| Devilsbit Formation |
| Glandahalin Formation |
| Galtymore Formation |
| Glenflesk Chloritic Sandstone Forma |
| Doo Lough Pebbly Sandstone Member |
| Lough Guitane rhyolites |
| Lough Guitane volcaniclastics |
| in GlenfleskChloritic Sandst Fm. |
| Glendossaun Member |
| Gun Point Formation |
| Gyleen Formation |
| Ballyknock Member |
| Ballyquinn Member |
| Ardmore Member |
| Harrylock Formation |
| Helvick Formation |
| Inshaboy Formation |
| Kilnafrehan Conglomerate Formation |
| Kiltorcan Formation |
| Knockmealdown Sandstone Formation |
| Keeper Hill Formation |
| Lack Sandstone Formation |
| Lough Acoose Sandstone Formation |
| Lough Acoose Sandst Form&Conglom&pe |
| Lough Muskry Formation |
| Lough Slat Conglomerate Formation |
| Old Head Sandstone Formation |
| Bere Island Member |
| Oldtown Bay Formation |
| Poulgrania Sandstone Formation |
| Pointagare Group |
| Scalpnagown Formation |
| Maghera Cornstone Member |
| Sherkin Formation |
| Sheskin Formation |
| Shanmullagh Formation |
| Slieve Mish Group |
| Slievereagh Conglomerate Formation |
| Slievenamuck Conglomerate Formation |
| St. Finans Sandstone Formation |
| in St. Finans Sandstone Formation |
| in St. Finans Sandstone Formation |
| Smerwick Group |
| Templetown Formation |
| Knockavellish Member |
| Brownstown Head Member |
| Beenlea Head Member |
| Toe Head Formation |
| Treanearla Formation |
| Duvillaun Formation |
| Valentia Slate Formation |
| in Valentia Slate Fm. |
| Extrusive Rhyolite Formation |
| Lough Eske Psammite Formation |
| Fahan Grit Formation |
| Cloghan Green Beds Member |
| Falcarragh Limestone Formation |
| Fahan Slate Formation |
| Finlough Formation |
| Fieldstown Formation |
| Fournocks Formation |
| Altered Fault Rock (igneous?) |
| Porphyritic-Megacrystic Granite |
| Magma Mixing-Mingling Zone |
| Gaugin Quartzite Formation |
| Glencolumbkille Limestone Formation |
| Glencolumbkille Pelite Formation |
| Glenisland Formation |
| Raheen Barr Volcanic Member |
| Cashel Member |
| Lough Darrdun Schist Member |
| Glencullin River Formation |
| Glen Lodge Formation |
| Greencastle Green Beds Formation |
| Glaspistol Formation |
| Gubastuckaun Formation |
| in Broadford Formation |
| Hilltown Formation |
| Hill Of Slane Formation |
| Ballygawley Tonalitic Gneiss |
| Porphyritic rhyolite |
| Ardara Granite, G1 variety |
| Ardara Granite, G2 variety |
| Ardara Granite, G3 variety |
| Barnesmore Granite, G1 variety - Cronamuck Granodiorite |
| Barnesmore Granite, G2 variety |
| Barnesmore Granite, G3 varieties of sheet complex |
| Syenite |
| Trachyte Breccias |
| Trachyte |
| Blackstairs Graiguenamanagh Granite Gneiss |
| Blackstairs Type 1 Granite |
| Blackstairs Type 2 Equigranular Granite |
| Blackstairs Type 2 Microcline Porphyritic Grani |
| Cloghmore Granodiorite |
| Corvock Granite |
| Costello Murvey Granite |
| Errisbeg Townland Granite |
| Callowfinish Granite |
| Murvey Granite |
| Carna-type |
| Roundstone Granite |
| Cuilleen-type |
| Minor Granitic Bodies |
| Crossdoney Granite |
| Newry Granite |
| Inish Granite |
| Knock Granite |
| Lettermore Granodiorites |
| Letterfrack granitic plutons |
| Lough Fadda Granodiorite |
| Lough Lurgan Granite |
| Barravore Aplogranite |
| Carrawaystick Aplite |
| Glendalough Adamellite |
| Glen of Imail Quartz-diorite |
| Percys Table Granodiorite |
| Type 1 granodiorite |
| Type 3 muscovite porphyritic |
| Type 4 muscovite/microcline porphyr |
| Type 2e equigranular |
| Type 2p microcline porphyritic |
| Omey Granite |
| Drogheda Granite |
| Shannapheasteen Granite |
| Type 1 Granite |
| Tullow Type 2 Equigranular Granite |
| Tullow Type 2 Sparsely Porphyritic Granite |
| Tullow Type 2 Microcline Porphyritic Grani |
| Ballynamuddagh Granite |
| Easky Adamellite |
| Lough Talt Adamellite |
| Fanad Granite |
| Fanad Granite |
| Feldspar porphyry |
| Lough Nacorrussaun Metabasites |
| Rhyolite |
| Thorr Granite |
| Thorr Granite migmatitic facies |
| Rafts in Thorr Granite |
| Toories Granite |
| Tullagh Point Granite |
| Main Donegal Granite |
| Microgranite and related rocks |
| Inishderry Formation |
| Inishowen Head Grits and Phyllites |
| Inishkea Division (undifferentiated |
| Inver Schist Formation |
| Croghan Kinshelagh Granite |
| Quartz Diorite Gneiss & Granitic Gn |
| Metagabbro and Related Lithologies |
| Oughterard Granite |
| Feldspar Porphyry |
| Quartz porphyry and Felsite |
| Quartz Diorite Gneiss |
| Saltees Granite |
| Ballyconneely Amphibolite |
| Amphibolite (northeast Ox Mountains |
| Metabasite |
| Metadolerite or amphibolite |
| Serpentinite |
| Rathlin OBirne Granite |
| Rosses Granite G1 variety |
| Rosses Granite G2 variety |
| Rosses Granite G3 variety |
| Rosses Granite G4 variety |
| Carnsore Granite |
| Slieve Gamph Igneous Complex, equigranular |
| Slieve Gamph Igneous Complex, megacrystic |
| Slieve Gamph Igneous Complex, Muscovite Granite |
| Layered Gabbro |
| Layered Gabbro |
| Layered Gabbro |
| Layered Gabbro |
| Layered Gabbro |
| Hawaiite Lava |
| Vent Agglomerate |
| Early Gabbro |
| Granophyre |
| Trawenagh Bay Biotite Granite |
| Trawenagh Bay Biotite-muscov. Grani |
| Trawenagh Bay Biotite-muscov. Grani |
| Trawenagh Bay Aplogranite |
| Trawenagh Bay Transitional G1/G2 Gr |
| Basalt & Trachyte Lava |
| Cam Lough Breccia |
| Porphyritic Felsite |
| Porphyritic granophyre |
| Shanes Hill Rhyodacite |
| Vent agglomerate |
| Ballydeenlea Formation |
| Kanfinalta Formation |
| Knockerk Formation |
| Bockagh Member |
| Kennetstown Formation |
| Killadangan Formation |
| Kilnaleck Shale Formation |
| King's Hill Formation |
| Ardaturrish Member |
| Ardnamanagh Member |
| Keem Conglomerate Formation |
| Keem Limestone Formation |
| Keem Schist Formation |
| Killeter Quartzite Formation |
| Ulster White Limestone Formation |
| Lackan Formation |
| Lambay Volcanic Formation |
| Lough Brohly Quartzite Formation |
| Lough Brohly Schist Formation |
| Lower Crana Quartzite Formation |
| Lough Doo Formation |
| Slieve League Formation |
| Letter Formation |
| Lower Falcarragh Pelite Formation |
| Lough Foyle Succession |
| Pelitic unit in Lough Foyle Success |
| Lough Mourne Formation |
| Lower Palaeozoic rocks |
| Loughros Formation |
| Agglomerate |
| Andesite |
| Aplite |
| Hornblende diorite |
| Appinite suite |
| Appinite suite intrusive breccia |
| Basalt |
| Chert |
| diamictite |
| Dolerite |
| Dolerite and Gabbro |
| Diorite |
| Felsite |
| Marginal Porphyritic Granite |
| Gabbro |
| Granodiorite and diorite |
| Fine-grained foliated granite |
| in Cornagnoe Formation |
| Microgranite |
| Granite (undifferentiated) |
| Little Harbour Formation |
| Marble |
| Metadolerite |
| Metadolerite & Lithologically diver |
| Metadolerite |
| Metagabbro & orthogneiss suite |
| Monzogranite |
| Mudbank limestone |
| Oolitic limestone |
| Pegmatite |
| Rafts in Thorr Granite; pelite |
| Feldspar or Quartz Porphyry |
| Caledonian Pyroxene Diorite |
| in Lough Eske Psammite Formation |
| in Finnalaghta Formation |
| in Caha Mountain Formation |
| Rafts in Thorr Granite |
| Serpentinite |
| in Rathkenny Formation, in Central and Northern Belt, in Salterstwon Formation |
| Tectonic schist |
| Rafts in Thorr Granite; lithologically diverse |
| Volcanics |
| Volcaniclastic Rocks |
| in Lough Eske Psammite Formation, in Termon Formation |
| Undifferentiated pyroclastic rocks |
| Malin Schist Formation |
| Anaffrin Formation |
| Glennamong Member |
| Sraheens Lough Formation |
| Minnaun Sandstone Formation |
| Moyteoge Head Formation |
| Ashleam Bridge Dolomitic Formation |
| Ashleam Bridge Quartzite Formation |
| Ashleam Bridge Graphitic Member |
| Ashleam Bay Formation |
| Atlantic Drive Schist Formation |
| Barnanoraun Schist Formation |
| Connemara Marble Formation |
| Cullydoo Formation |
| Srahmore Quartzite Member |
| Srahmore Quartzite and Schist Membe |
| Derreen Marble Formation |
| Dooega Head Formation |
| Knockcorraun Formation |
| Knockcorraun Lough Marble Member |
| Portnahally Formation |
| Ashleam Head Formation |
| Attymass Group (undifferentiated) |
| Attymass Volcanic Formation |
| Attymass Formation (undifferentiated) |
| Lower Attymass Formation |
| Upper Attymass Formation |
| Bennabeola Quartzite Formation |
| Birreencorragh Schist Formation |
| Birreencorragh Quartzite Member |
| Ballynakill Schist Formation |
| Buckoogh Formation |
| Bunnafahy Conglomerate Formation |
| Bunaveela Lough Formation |
| Carrick OHara Formation |
| Corradrishy Quartzite Member |
| Cashel Schist Formation |
| Corradrishy Formation |
| Cleggan Boulder Bed Formation |
| Corraun Formation |
| Corraun Schist (Lower) Member |
| Corraun Quartzite Member |
| Corraun Schist (Upper) Member |
| Kildownet Quartzite Member |
| Cove Schist Formation |
| Derreen Schist Member |
| Mount Eagle Formation |
| Mount Eagle Schist Member |
| Glenlara Volcanic Formation |
| Curraghnagark Member |
| Doonweelin Member |
| Grit Unit (Curraghnagark Member) |
| Lakes Marble Formation |
| Leckee Quartzitic Formation |
| Kilmore Limestone Member |
| Liscarragh Formation |
| North Carrowgarve Formation |
| Ooghnadarve Formation |
| South Carrowgarve Formation |
| Skerdagh River Volcanic Formation |
| Glenlara Marble Member |
| Srahmore Lodge Dolomite Formation |
| Streamstown Schist Formation |
| Tawnyshane Tillite Formation |
| Slievenagark Member |
| Newantrim Member |
| Meelick Member |
| Callow Formation |
| Cornamona Marble Formation |
| Lough Kilbride Schist Formation |
| Lower Lismoran Formation |
| Upper Lismoran Formation |
| Westport Grit Formation |
| Mullyfa and Deele Formations |
| Undifferentiated Dalradian schists |
| Nakil Formation |
| Middle Nephin Group (Undifferentia |
| Nephin Formation |
| Argyle Group |
| Appin Group |
| Bencorragh Formation |
| Bunmahon Formation |
| Bohaun Volcanic Formation |
| Derry Bay Formation |
| Delaney Dome Meta-rhyolite Formatio |
| Derryveeny Formation |
| Derrylea Formation |
| Carricklea Grey Marble Member |
| Carricklea Pink Marble Member |
| Derrymore Formation |
| Dunabrattin Formation |
| Finny Formation |
| Glenummera Formation |
| Golam Formation |
| Gorumna Formation |
| Sedimentary lenses |
| Knock Kilbride Formation |
| Letterbrock Formation |
| Loch Faoilean Formation |
| Lettermullen Formation |
| Mount Partry Formation |
| Maumtrasna Formation |
| Mweelrea Formation |
| Slate Members |
| Rosroe Formation |
| Ryans Farm Formation |
| South Connemara Group |
| Sheeffry Formation |
| Skerd Formation |
| Tourmakeady Formation |
| Ballygreany Formation |
| Castleshane Formation |
| Carrickateane Formation |
| Shanmullagh Mill Formation |
| Aghfarrell Formation |
| Dowery Hill Member |
| Ballybro Formation |
| Butter Mountain Formation |
| Donard Andesite Member |
| in Butter Mountain Formation |
| Ballylane Formation |
| Moneyteige Member |
| Ballylane Formation & Intermediate |
| Carracastle Formation |
| Gortnagleav Formation |
| Grahormack Formation |
| Horan Formation |
| Kilmacthomas Formation |
| in Kilmacthomas Formation |
| Muggorts Bay Formation |
| Milltown Formation |
| Oaklands Formation |
| Palace Member |
| Riverchapel Formation |
| Seamount Formation |
| TUSKAR GROUP |
| Tawnyinagh Formation |
| Arklow Head Formation |
| in Arklow Head Formation |
| Avoca Formation |
| in Avoca Formation |
| in Avoca Formation |
| Ballymoyle Formation |
| in Ballymoyle Formation |
| in Ballymoyle Formation |
| Ballynaclogh Formation |
| Caher Hill Formation |
| Campile Formation |
| Garraun Member |
| Newtown Head Member |
| in Newtown Head Member |
| in Newtown Head Member |
| Arthurstown Member |
| Ballyhack Member |
| in Ballyhack Member |
| Ross Member |
| in Ross Member |
| shale units in Campile Formation |
| in Campile Formation |
| in Campile Formation |
| Clashabeema Formation |
| Finnalaghta Formation |
| Kilmacrea Formation |
| in Kilmacrea Formation |
| Laragh Formation |
| Toberelatan Formation |
| Ballinatray Formation |
| Carrighalia Formation |
| Courtown Formation |
| in Courtown Formation |
| Grange Cottage Formation |
| Ooghnadirka Schist Formation |
| Tramore Limestone Formation |
| Tramore Shale Formation |
| Kildare Limestone Formation |
| Allen Andesite Formation |
| Coronea Formation |
| Grange Hill Formation |
| Red Island Formation |
| Northern Belt (undifferentiated) |
| Paragneiss, Migmatite and Hornfels |
| Oriel Brook Formation |
| Central Belt (undifferentiated) |
| Corderrybane Shale Formation |
| Drumagelvin Greywacke Formation |
| Kehernaghkilly Formation |
| Tullyraghan Shale Formation |
| Askingarran Formation |
| Ballyhoge Formation |
| Glencullen River Formation |
| Maulin Formation |
| Oldcourt Member |
| Brownsford Member |
| Ballybeg Member |
| in Ballybeg Member |
| Kilcarry Member |
| Monaughrim Member |
| in Monaughrim Member |
| Ballyneale Member |
| in Ballyneale Member |
| Knockree Member |
| Roundwood Member |
| in Maulin Formation |
| in Maulin Formation |
| Wicklow Head Formation |
| Ballymalone Formation |
| Conlanstown Formation |
| Slieve Gamph Igneous Complex, Acidic Lithologies |
| Slieve Gamph Igneous Complex, Basic Lithologies |
| Unassigned metasediment rafts |
| Ox Mountains Granodiorite |
| Adamellite |
| Slieve Gamph Igneous Complex, Tonalite |
| Port Askaig Formation |
| Dobbin Sandstone Formation |
| Mall Member |
| Drumarg Conglomerate Formation |
| Kinrovar Schist |
| Kingscourt Gypsum Formation |
| Pollacappul Formation |
| Glencalry Schist Member |
| Glenagh River Limestone Member |
| Lugnalettin Black Schist Member |
| Portrane Limestone Formation |
| Portrane Volcanic Formation |
| GREENORE POINT GROUP |
| KILMORE QUAY GROUP |
| Slishwood Division, Semi-pelitic biotite schists |
| Slishwood Division, Metalimestones |
| Slishwood Division, Cregg House Formation |
| Slishwood Division, Pelitic & semi-pelitic paragneiss |
| Slishwood Division, Psammitic Paragneiss |
| Killag Formation |
| Prioryland Formation |
| Castlerahan Formation |
| Raheen Barr Albite Schist Formation |
| Raheen Barr Quartzite Formation |
| Red Mans Cove Formation |
| Reelan Formation |
| Rhinns Complex of Inishtrahull etc. |
| Rathkenny Formation |
| Ridge Point Psammitic Formation |
| Rinmore Formation |
| Ballytoohy Formation |
| Bunnamohaun Siltstone Formation |
| Bouris Formation |
| Clogher Head Formation |
| Cregganbaun Formation |
| Croaghmarhin Formation |
| Coosglass Slate Formation |
| Derryheagh Formation |
| Drom Point Formation |
| Derrymore Glen Formation |
| Fairy Hill Conglomerate Formation |
| Foilnamahagh Formation |
| Ferriters Cove Formation |
| Glen Pebbly Arkose Formation |
| Glencraff Formation |
| Inishnabro Formation |
| Inishvickillane Formation |
| Kilbride Formation |
| Tonalee Member |
| Kill Sandstone Formation |
| Knockmore Sandstone Formation |
| Knockshigowna Formation |
| Landing Place Formation |
| Ben Levy Grit Formation |
| Lettergesh Formation |
| Gowlaun Member |
| Lough Mask Formation |
| Ardaun Lava Member |
| Mill Cove Formation |
| Lough Muck Formation |
| Lough Nacorra Formation |
| Salrock Formation |
| Strake Banded Formation |
| Inniskeen Formation |
| Salia Formation |
| Annagh Member |
| Salterstown Formation |
| Scotch Port Schist |
| Caherconree Formation |
| Sessiagh-Clonmass Formation |
| Clonmass Limestone Member |
| Port Limestone Member |
| in Sessiagh-Clonmass Formation |
| Pollareagh Member |
| Shanaghy Green Bed Formation |
| Foilcoagh Bay Member |
| Silurian (undifferentiated) |
| Ahenny Formation |
| Brownstown Member |
| Cornagnoe Formation |
| Cloonnamna Formation |
| Carrighill Formation |
| Dunmurry Formation |
| Glen Ding Formation |
| Glen School Formation |
| Guidenstown Formation |
| Inchacoomb Formation |
| Assaroola Member |
| Lough Avaghon Formation |
| Aghnamullen Member |
| Mullanalt Member |
| Cootehill Member |
| Lisbellaw Formation |
| Oghill Formation |
| Pollaphuca Formation |
| Rathclarish Formation |
| Rahilla Formation |
| Slieve Glah Formation |
| Slate Quarries Formation |
| South Lodge Formation |
| Shercock Formation |
| Taghart Mountain Formation |
| Tipperkevin Formation |
| Slieve Tooey Quartzite Formation |
| Ballindysert Formation |
| Ballyhest Member |
| Kilclooney Member |
| Ballygeana Formation |
| Broadford Formation |
| Broadford Formation & conglom & coa |
| in Broadford Formation |
| Garryduff Formation |
| Hollyford Formation |
| Slievemore Psammitic Formation |
| Slieve Bernagh Formation |
| Slieve Bernagh Formation & conglom |
| in Slieve Bernagh Formation |
| Slievemore Schist Formation |
| South Slope Quartzite Member |
| St. Marys Basalt |
| Snowtown Formation |
| Srah Formation |
| Srahlaghy Limestone Formation |
| Srahlaghy Quartzite Formation |
| Skerries Formation |
| Stags of Broad Haven Schist |
| St. Itas Formation |
| Cratloes Formation |
| Ballycar South Member |
| Glennagross Member |
| Annascaul Formation |
| Ballynane Formation |
| Cloonierin Formation |
| Derryfadda Formation |
| Kilanena Formation |
| Tawnaghmore Formation |
| Termon Granite |
| Granitic dykes assoc w Termon Grani |
| Termon Formation |
| Knockletteragh Member |
| Dolerite and Gabbro |
| Lower Basalt Formation |
| Ballymacadam Formation |
| Deerycreevy Sandstone Formation |
| Kingscourt Sandstone Formation |
| Mercia Mudstone Formation |
| Milltown Conglomerate Formation |
| Tooromin Shale Formation |
| Lough Neagh Group |
| Upper Crana Quartzite Formation |
| Upper Falcarragh Pelite Formation |
| White Island Bridge Formation |
| <all other values> |