Click headings [A-Z] or [County] to sort any column. Currently sorted
by Site name.
| Site name [A-Z] | Grid Reference [A-Z] | County [A-Z] | Period [A-Z] |
|---|
| Aghatirourke Townland caves, east Cuilcagh | H15613098, H15553067 | Fermanagh | Carboniferous |
| Aghnadarragh | J130733 | Antrim | Quaternary |
| Altagoan River | H79929456, H80339300 | Londonderry | Carboniferous |
| Altinure Burn, near Park | X25984021 | Londonderry | Precambrian |
| Altmore Burn | D233398 | Antrim | Precambrian |
| Ameracam Lane | J25861065 | Down | Carboniferous |
| An Introduction to the Precambrian of Northern Ireland | H00 | Antrim, Fermanagh, Londonderry, Tyrone | Precambrian |
| Annacramph Lane | H88634956 | Armagh | Carboniferous |
| Annalong Valley | J365218, J344246 | Down | Quaternary |
| Ardglass | J325423 | Down | Devonian, Silurian |
| Armoy | X295429, X29782317, X30674328, X31084391 | Antrim | Quaternary |
| Ashfield Mountain Bar stream, Slieve Beagh | H543475 | Tyrone | Carboniferous |
| Attical Complex - Attical Valley Moraines | J293258, J265270, J276197, J260175 | Down | Quaternary |
| Attical Complex - Attical Valley Outwash | J269193 | Down | Quaternary |
| Attical Complex, Mourne Mountains - Overview | J293258, J265270, J276197, J260175 | Down | Quaternary |
| Aughnagon Quarry | J14452505 | Down | Devonian, Silurian |
| Aughnagurgan, near Darkley | X28663314 | Armagh | No data |
| Balix Hill | H480958 | Tyrone | Precambrian |
| Ballagh Quarry | H42503133 | Fermanagh | Carboniferous |
| Ballinamallard Esker | H244531, H333560 | Fermanagh, Tyrone | Quaternary |
| Ballinderry | H683812, H629782 | Tyrone | Quaternary |
| Ballinderry | X26833812, X26293782 | Tyrone | Quaternary |
| Ballintoy-Ballycastle | D045445, D120413 | Antrim | Quaternary, Tertiary, Cretaceous |
| Ballyberidagh North Townland lane | D147388 | Antrim | Carboniferous |
| Ballycastle Beach | D121415, D134415 | Antrim | Quaternary |
| Ballycastle Coalfield | D133414, D164426 | Antrim | Carboniferous |
| Ballycastle Pellet Chalk | D118417 | Antrim | Cretaceous |
| Ballygawley Delta Complex - Fallaghearn Deltas | H608628 | Tyrone | Quaternary |
| Ballygawley Delta Complex - Lurganboy Delta and Outwash | H590644, H586660, H605675 | Tyrone | Quaternary |
| Ballygawley Delta Complex - Overview | H613725, H571679 | Tyrone | Quaternary |
| Ballygawley Delta Complex - Tiroony Ridges | H571679 | Tyrone | Quaternary |
| Ballyhalbert Pier | J36603633 | Down | Devonian, Silurian |
| Ballyharry | J501753, J501754 | Down | Silurian, Ordovician |
| Ballykelly | C630224 | Londonderry | Quaternary |
| Ballykelly Moraine Complex | C267423, C26584183, C26274223 | Londonderry | Quaternary |
| Ballymagreehan Quarry | J30453540 | Down | Devonian, Silurian |
| Ballymiscaw | J402754 | Down | Ordovician |
| Ballynahone River | H882463, H88494596 | Armagh | Carboniferous |
| Ballypalady Plant Bed | J263874, J253867 | Antrim | Tertiary |
| Ballyquintin Point | J625454 | Down | Quaternary |
| Ballyrainey | J455722 | Down | Permian |
| Banagher Glen Quarry | C669048 | Londonderry | Precambrian |
| Bannagh River | H16756706, H16906750 | Fermanagh | Carboniferous |
| Barnagh Bay, Copeland Island | J586841 | Down | Ordovician |
| Barnes Burn, Glenelly | H562905 | Tyrone | Precambrian |
| Barnes Gap | H550900 | Tyrone | Precambrian |
| Barony Glen | C7301 | Londonderry | Carboniferous |
| Beaghbeg | X26743828 | Tyrone | Ordovician |
| Bellanaleck Quarry | H234389 | Fermanagh | Carboniferous |
| Bellevue Quarry | J327810 | Antrim | Tertiary |
| Belmore, Ballintempo & Tullybrack Uplands; Belmore | H1141 | Fermanagh | Quaternary, Carboniferous |
| Belmore, Ballintempo & Tullybrack Uplands; Boho | H1244 | Fermanagh | Quaternary, Carboniferous |
| Belmore, Ballintempo & Tullybrack Uplands; Knockmore - Pollaraftra | H0850 | Fermanagh | Quaternary, Carboniferous |
| Belmore, Ballintempo & Tullybrack Uplands; Noon's Hole-Arch Cave | H0948 | Fermanagh | Quaternary, Carboniferous |
| Belmore, Ballintempo & Tullybrack Uplands; Reyfad-Carrickbeg | H1046 | Fermanagh | Quaternary, Carboniferous |
| Belmore; Holywell Rising | H07613970 | Fermanagh | Quaternary |
| Belmore; Moneyouragan Cave | H12264070 | Fermanagh | Quaternary |
| Belmore; Moneyouragan Pot | H12344075 | Fermanagh | Quaternary |
| Belmore; Moneyouragan Sink | H12304072 | Fermanagh | Quaternary, Carboniferous |
| Belmore; Mullyard Sink | H08004099 | Fermanagh | Quaternary, Carboniferous |
| Belmore; Rahallen Sink 1 | H14314118 | Fermanagh | Quaternary, Carboniferous |
| Belmore; Rahallen Sink 2 | H14344118 | Fermanagh | Quaternary, Carboniferous |
| Benburb | H810521 | Tyrone | Quaternary |
| Benvan | D205415 | Antrim | Precambrian |
| Benvan, Murlough | D205415 | Antrim | Precambrian |
| Binevenagh | C690310 | Londonderry | Tertiary |
| Binnawooda Spring | H2476 | Tyrone | Carboniferous |
| Black Head, Island Magee | J489935 | Antrim | Tertiary |
| Black Mountain Quarry, Belfast | X32803723 | Antrim | Tertiary |
| Black Rock | X26853836 | Tyrone | Ordovician |
| Blackslee Dyke | H080557, H073565 | Fermanagh | Tertiary, Carboniferous |
| Blaney Quarry | H167525 | Fermanagh | Carboniferous |
| Bloody Bridge River Fan | J383270, J384270, J387269 | Down | Quaternary |
| Bloody Bridge River Outwash | J378269, J376269 | Down | Quaternary |
| Bloody Bridge River Valley Complex, Mourne Mountains - Overview | J377269 | Down | Quaternary |
| Bloody Bridge River Valley Ridges | J383270, J363263 | Down | Quaternary |
| Boghill Quarry, Hightown | X32923802 | Antrim | Tertiary |
| Boho; Aghanaglack Cave | H108436 | Fermanagh | Quaternary |
| Boho; Aghanaglack Rising | H10884343 | Fermanagh | Quaternary |
| Boho; Boho Caves Sink | H12684431 | Fermanagh | Quaternary, Carboniferous |
| Boho; Pollbeg | H11754558 | Fermanagh | Quaternary |
| Boho; Pollkerran | H11834513 | Fermanagh | Quaternary, Carboniferous |
| Boho; Pollnagollum Coolarkan | H12214311 | Fermanagh | Quaternary, Carboniferous |
| Bonnety Bush, Altihaskey | X27263888 | Londonderry | Ordovician |
| Bovevagh Old Church | C668140 | Londonderry | Quaternary |
| Broad Water | J126648, J149628 | Down | Quaternary |
| Brown's Bay, Island Magee | D435028 | Antrim | Tertiary, Cretaceous, Triassic |
| Burntollet and Tamnymore Wood | C505105 | Londonderry | Precambrian |
| Butterlope Glen | H493947 | Tyrone | Precambrian |
| Butterlope Glen | H493947 | Tyrone | Precambrian |
| Cam Lough Quarry | J03692459 | Armagh | Tertiary, Devonian, Silurian |
| Camlough Quarry | J03692459 | Down | Tertiary, Devonian, Silurian |
| Capecastle Quarry | D101364 | Antrim | Cretaceous |
| Cappagh Quarry | H697674 | Tyrone | Devonian |
| Carboniferous Biostratigraphy - Overview | H00 | Antrim, Armagh, Down, Fermanagh, Londonderry, Tyrone | Carboniferous |
| Carboniferous Palaeogeography of N. Ireland | H00 | Antrim, Armagh, Down, Fermanagh, Londonderry, Tyrone | Carboniferous |
| Carboniferous Subarea-1; Derrygonnelly-Marble Arch-Cuilcagh | H1252 | Fermanagh | Carboniferous |
| Carboniferous Subarea-10; North County Down | J4967, J408805 | Down | Carboniferous |
| Carboniferous Subarea-11; Cranfield-Greencastle | J26111050, J24031177 | Down | Carboniferous |
| Carboniferous Subarea-12; Draperstown-Glenshane Pass-Limavady | H7894, C6722 | Londonderry | Carboniferous |
| Carboniferous Subarea-2; Lisnaskea & Fivemiletown | H4447 | Fermanagh, Tyrone | Carboniferous |
| Carboniferous Subarea-3; Kesh-Omagh | H180638, H450725 | Fermanagh, Tyrone | Carboniferous |
| Carboniferous Subarea-4; Fintona Block | H4461 | Fermanagh, Tyrone | Carboniferous |
| Carboniferous Subarea-5; Clogher-Aughnacloy | H540515, H666523 | Tyrone | Carboniferous |
| Carboniferous Subarea-6; Armagh-Benburb | H875455, H815523 | Armagh, Tyrone | Carboniferous |
| Carboniferous Subarea-7; Dungannon-Coalisland-Cookstown | H7962, H8466, H8077 | Tyrone | Carboniferous |
| Carboniferous Subarea-8; Newtownstewart Outlier | H4987 | Tyrone | Carboniferous |
| Carboniferous Subarea-9; Ballycastle | D119412 | Antrim | Carboniferous |
| Carey Valley | D30074361, D31274408 | Antrim | Quaternary |
| Cargan Water/Binvore | D173189, D167188 | Antrim | Tertiary |
| Carganamuck Quarry | H878498 | Armagh | Carboniferous |
| Carnaneigh | D256365 | Antrim | Precambrian |
| Carnaneigh | D256365 | Antrim | Precambrian |
| Carneal, Glenoe | X33903959 | Antrim | Tertiary, Cretaceous |
| Carnlough Coastal Peat and Raised Beach Ridges | D287171 | Antrim | Quaternary |
| Carnmoney Plug | J333823 | Antrim | Tertiary |
| Carnmore Quarry | H475360 | Fermanagh | Carboniferous |
| Carrick Lough, Bunnahone Lough and the Sillees River | H0954, H1055 | Fermanagh | Carboniferous |
| Carrickaness Bridge, The Black Water | H2974 | Tyrone | Carboniferous |
| Carrickarade | D062450 | Antrim | Tertiary |
| Carrickfergus Castle | J414873 | Antrim | Tertiary, Triassic |
| Carricklongfield Quarry | H716544 | Tyrone | Carboniferous |
| Carrickmacsparrow Townland | H137409 | Fermanagh | Carboniferous |
| Carrickmore Blister | D16404285 | Antrim | Tertiary, Carboniferous |
| Carrickreagh Quarry | H174521 | Fermanagh | Carboniferous |
| Carrs Glen | J314787, J314792 | Antrim | Tertiary, Cretaceous, Jurassic, Triassic |
| Cashel | H562788, H581821 | Tyrone | Quaternary |
| Cashel Quarry | G979474 | Fermanagh | Carboniferous |
| Cashel Rock | H589801 | Tyrone | Ordovician |
| Cashel Rock | D26003808 | Tyrone | Ordovician |
| Cashel Rock, near Creggan | D25893801 | Tyrone | Ordovician |
| Castle Espie | J4967 | Down | Carboniferous |
| Cement Works Quarry, Cookstown | H8075 | Tyrone | Carboniferous |
| Church Bay, Rathlin Island | D148506 | Antrim | Quaternary |
| Cladagh River, Marble Arch | H121346 | Fermanagh | Carboniferous |
| Claragh Townland | H148529 | Fermanagh | Carboniferous |
| Claraghmore Bog | H352762 | Tyrone | Quaternary |
| Clarehill Quarry | J154603 | Down | Cretaceous |
| Cliff/Shore Platform Complex between Portstewart and Portrush | C815389, C85003995 | Antrim, Londonderry | Quaternary |
| Clinty Quarry | D101071 | Antrim | Tertiary |
| Clinty Quarry, Ballymena | X31014071 | Antrim | Tertiary |
| Cloghan Head | J578387 | Down | Silurian |
| Cloghan Hill | H090360 | Fermanagh | Carboniferous |
| Cloghany pothole, Beighy Townland | H161302 | Fermanagh | Carboniferous |
| Clogher Valley | H630575, H386406, H372330 | Tyrone | Quaternary |
| Cloghfin Port, Island Magee | J484942 | Antrim | Cretaceous, Triassic |
| Coalisland Brick Pit | H8366 | Tyrone | Carboniferous |
| Coast opposite Isle of Muck, Island Magee | D34634021 | Antrim | Tertiary, Cretaceous |
| Cole Bridge Stream, Fivemiletown | H4452 | Tyrone | Carboniferous |
| College Mine, Carryhugh | X28063335 | Armagh | No data |
| Collin Glen | J270720 | Antrim | Cretaceous, Jurassic, Triassic |
| Coolesker | H512650, H508669, H531751 | Tyrone | Quaternary |
| Copney Hill | X26003777 | Tyrone | Ordovician |
| County Antrim Karst; Cushenilt Burn | D267244 | Antrim | Quaternary, Cretaceous |
| County Antrim Karst; Red Hall Estate | J450954 | Antrim | Quaternary, Cretaceous, Jurassic |
| County Antrim Karst; Tievebulliagh area | D193263 | Antrim | Quaternary, Tertiary, Cretaceous |
| County Antrim Karst; Turlough | D29282243 | Antrim | Quaternary, Cretaceous |
| Craig | H523981 | Tyrone | Precambrian |
| Craig Hill Quarry | J290920 | Antrim | Tertiary |
| Craigahulliar Quarry | C883389 | Antrim | Tertiary |
| Craigahulliar Quarry, near Portrush | C28834390 | Antrim | Tertiary |
| Craiganawork, Pomeroy | H26773758 | Tyrone | Devonian, Ordovician |
| Craigballyharky and Craigbardahessiagh | H73337573, H72187433 | Tyrone | Silurian, Ordovician |
| Craigbardahessiagh and Bardahessiagh River | H72057385, H72557360, H725733 | Tyrone | Silurian, Ordovician |
| Creevagh Hill Old Quarry | C401158 | Londonderry | Precambrian |
| Creevan Burn, Cavanacaw | X24043701 | Tyrone | No data |
| Cregagh Glen | J365709 | Down | Ordovician |
| Creggan | D26233782 | Tyrone | Ordovician |
| Creggan Quarry | D277187 | Antrim | Cretaceous |
| Crilly House Quarry, Crilly | H694499 | Tyrone | Carboniferous |
| Croagh Mountain | G985630 | Fermanagh | Precambrian |
| Croagh Mountain | G985630 | Fermanagh | Precambrian |
| Crockanaver Quarry, Ederny | H223635 | Fermanagh | Carboniferous |
| Crockfadda | H346544, H390565 | Fermanagh, Tyrone | Quaternary |
| Croreagh | J122291 | Down | Devonian |
| Croreagh, near Newry | X31223291 | Down | Devonian |
| Crows Glen | J294768, J288769 | Antrim | Tertiary, Cretaceous, Triassic |
| Cuilcagh Mountain | H123280 | Fermanagh | Carboniferous |
| Cultra | J413810 | Down | Permian, Carboniferous |
| Cultra-Craigavad | J408805, J425816 | Down | Carboniferous |
| Cumber | C544074 | Londonderry | Quaternary |
| Cumber Delta, Dungiven Basin | X25444074 | Londonderry | Quaternary |
| Curraghinalt | H571865 | Tyrone | Carboniferous, Ordovician, Precambrian |
| Curraghinalt Burn, near Gortin | X25713865 | Tyrone | Carboniferous, Precambrian |
| Curraghlane | C724095 | Londonderry | Triassic |
| Cushendun | D32334340 | Antrim | Ordovician, Precambrian |
| Cushendun - Bay Hotel to Cave House tunnel | D252327, D25253254 | Antrim | Devonian |
| Cushendun - Cave House (south of) | D25373232 | Antrim | Devonian |
| Cushendun Bay | D252335 | Antrim | Precambrian |
| Cushendun Bay and Rock Port | D252335 | Antrim | Precambrian |
| Dechomet iron mine, south of Dromara | X32553436 | Down | No data |
| Derraghadoan Pit, Dungannon | H793644 | Tyrone | Carboniferous |
| Derrygonnelly road cutting | H123512 | Fermanagh | Carboniferous |
| Derrylin Complex | H22353226, H22723187, H22813276 | Fermanagh | Quaternary |
| Derrynoose | H798815 | Armagh | No data |
| Derrynoose lead mine | X27963315 | Armagh | No data |
| Derrynoyd Townland, near Draperstown | X27563955 | Londonderry | Devonian |
| Derryvree | H361390 | Fermanagh | Quaternary |
| Devonian - Cross Slieve Group; Cushendun to Port Obe | D252326, D247289 | Antrim | Devonian |
| Devonian - Fintona Block south of Tempo-Sixmilecross Fault | H3548, H5768 | Fermanagh, Tyrone | Devonian |
| Devonian - Red Arch Formation; Cushendall to Red Arch, Glenariff | D244276, D243261 | Antrim | Devonian |
| Devonian - Shanmullagh Formation; Miospore localities | H2860, H3464 | Tyrone | Devonian |
| Devonian - Shanmullagh Formation; Stratotype localities | H255598 | Tyrone | Devonian |
| Devonian - Tedd Formation; Tedd Cross Roads Segment | H263616 | Fermanagh | Devonian |
| Dickson's Island, Castleward | X35773501 | Down | No data |
| Doagh Glebe Townland Quarries | H04865163, H053517 | Fermanagh | Carboniferous |
| Dog Leap, Limavady | C674203 | Londonderry | Precambrian |
| Donemana Complex | C240400 | Londonderry | Quaternary |
| Doonan Quarry, Doraville | X21933566 | Fermanagh | Tertiary, Devonian |
| Doraville Ridge | H19355655, H200558 | Fermanagh | Tertiary |
| Drain Quarry | H458019 | Tyrone | Precambrian |
| Drapersfield Quarry | H841768 | Londonderry | Triassic |
| Dromore | H457556, H487582 | Tyrone | Quaternary |
| Dromore - cliff west of | H349627 | Tyrone | Devonian |
| Dromore Big Quarry | H17457075 | Fermanagh | Carboniferous |
| Drumard Water | H7993, H7994 | Londonderry | Carboniferous |
| Drumarg | H871439 | Armagh | Permian |
| Drumarg Cliff, Armagh | H86774409, H86904392 | Armagh | Carboniferous |
| Drumbally Hill quarry, Desertmartin | H844935 | Londonderry | Carboniferous |
| Drumharvey Townland quarry | H250604 | Tyrone | Devonian |
| Drummahon Lane | H228761 | Tyrone | Carboniferous |
| Drummond Quarry, Aughnacloy | H690519 | Tyrone | Carboniferous |
| Dungoran | H403565, H445595 | Tyrone | Quaternary |
| Dunnaglea-Larry Bane Bay | D033451, D059448 | Antrim | Cretaceous |
| Dunnamanagh Complex | X00 | Tyrone | Quaternary |
| Dunseverick Slip | C99994455 | Antrim | Tertiary |
| Eagles Rocks | H717838 | Tyrone | Precambrian |
| East Cuilcagh - Aghatirourke Pot | H15633090 | Fermanagh | Quaternary |
| East Cuilcagh - Badger Pot | H15543067 | Fermanagh | Quaternary |
| East Cuilcagh - Black Pot | H16362940 | Fermanagh | Quaternary |
| East Cuilcagh - Goat Pot | H15783133 | Fermanagh | Quaternary |
| East Cuilcagh - Long Pot | H164292 | Fermanagh | Quaternary |
| East Cuilcagh - Peter Bryant's Bullock Hole | H16352918 | Fermanagh | Quaternary |
| East Cuilcagh - Peter Bryant's Hole | H16532965 | Fermanagh | Quaternary |
| East Cuilcagh - Pigeon Pots | H156305 | Fermanagh | Quaternary |
| East Cuilcagh - Polliniska | H16452898 | Fermanagh | Quaternary |
| East Cuilcagh - Pollnaclanawley | H16472956 | Fermanagh | Quaternary |
| East Cuilcagh - Pollnatagha | H16462899 | Fermanagh | Quaternary |
| East Cuilcagh - Sheep Pot | H15623098 | Fermanagh | Quaternary |
| East Cuilcagh - Tea Pot | H16332937 | Fermanagh | Quaternary |
| Eastern Garron Plateau, County Antrim | D2923 | Antrim | Quaternary, Tertiary, Cretaceous, Jurassic |
| Eden Lodge | C780060 | Londonderry | Tertiary, Triassic, Carboniferous, Precambrian |
| Ederny Quarry | H224640 | Fermanagh | Carboniferous |
| Ederny Quarry | H224641 | Fermanagh | Carboniferous |
| Escort Port | D227407 | Antrim | Precambrian |
| Fairhead | D180438 | Antrim | Tertiary |
| Fallaghearn | H608628 | Tyrone | Quaternary |
| Fallahogy Bog (Wolf Island) | C925075 | Londonderry | Quaternary |
| Faragandoo | D167463 | Antrim | Carboniferous |
| Fardross Stream | H520480 | Tyrone | Carboniferous |
| Fardross Stream, Clogher | H52224883, H52584844 | Tyrone | Carboniferous |
| Fardrum; Fardrum Turlough | H177507 | Fermanagh | Quaternary, Carboniferous |
| Fardrum; Roosky Turlough | H185494 | Fermanagh | Quaternary, Carboniferous |
| Faughan and Dungiven Basins - Banagher | X26784069, X26684068 | Londonderry | Quaternary |
| Faughan and Dungiven Basins - Cumber | X25574056 | Londonderry | Quaternary |
| Faughan and Dungiven Basins - Derrynaflaw | X26904095 | Londonderry | Quaternary |
| Faughan and Dungiven Basins - Enagh | X26904095 | Londonderry | Quaternary |
| Faughan and Dungiven Basins - Fawney | X26904095 | Londonderry | Quaternary |
| Faughan and Dungiven Basins - Gosheden | X24984102 | Londonderry | Quaternary |
| Faughan and Dungiven Basins - Overview | X26904095 | Londonderry | Quaternary |
| Faughan and Dungiven Basins - Tamnagh | X25914025, X260400 | Londonderry | Quaternary |
| Faughan and Dungiven Basins - Templemoyle | X26724042, X26544026 | Londonderry | Quaternary |
| Faughan and Dungiven Basins - The Murnies | X26904095 | Londonderry | Quaternary |
| Fintona Hills Complex - Ballinamallard Esker | H244531, H333560 | Fermanagh, Tyrone | Quaternary |
| Fintona Hills Complex - Crockfadda outwash-moraine system | H346544, H390565 | Fermanagh, Tyrone | Quaternary |
| Fintona Hills Complex - Dromore outwash-moraine system | H457556, H487582 | Fermanagh, Tyrone | Quaternary |
| Fintona Hills Complex - Dungoran kame-esker-outwash system | H403565, H445595 | Fermanagh, Tyrone | Quaternary |
| Fintona Hills Complex - Newtownsaville Esker | H500586, H539611 | Fermanagh, Tyrone | Quaternary |
| Fintona Hills Complex - Overview | H263516, H551620 | Fermanagh, Tyrone | Quaternary |
| Foyle Valley Complex | C24134128, C23993858 | Londonderry | Quaternary |
| Fruitfield Delta, Limavady | C26474220, C26774228, C26784284 | Londonderry | Quaternary |
| Gadalough | G983603 | Fermanagh | Precambrian |
| Garrison; County River natural bridge | G968464 | Fermanagh | Quaternary, Carboniferous |
| Garrison; Lough Formal | H047474 | Fermanagh | Quaternary, Carboniferous |
| Garrison; Roogagh River ground bridge | G970509 | Fermanagh | Quaternary, Carboniferous |
| Garron Point-Cloghastucan | D289253, D305234 | Antrim | Cretaceous |
| Garry Bog | C9429 | Antrim | Quaternary |
| Garvagh Burn | H621937 | Tyrone | Precambrian |
| Garvaghullion Bog | H365768 | Tyrone | Quaternary |
| Ghann River Valley Moraines | J170198, J184250 | Down | Quaternary |
| Giant's Causeway | C29464448 | Antrim | Tertiary |
| Giant's Causeway | C947448 | Antrim | Tertiary |
| Giant's Grave section | H191731 | Fermanagh | Carboniferous |
| Glarryford | X30474094, X30304197 | Antrim | Quaternary |
| Glasmullen Townland stream | D22052242 | Antrim | Devonian |
| Glas-na-Bradan | J340811, J350806 | Antrim | Tertiary, Triassic |
| Glebe House, Rathmullan, Minerstown | X34753375 | Down | No data |
| Glenarm Quarry | D304156 | Antrim | Cretaceous |
| Glen-Coolcran Townlands stream | H348509 | Fermanagh | Carboniferous |
| Glendarragh Burn, Glenlark | H592891 | Tyrone | Precambrian |
| Glendurragh River, Lack | H275672 | Fermanagh | Carboniferous |
| Glenelly/Owenkillew Valleys (Gortin) | X24933858 | Tyrone | Quaternary |
| Glenlark | H26043896 | Tyrone | No data |
| Glenmornan River, Artigarvan | H382008 | Tyrone | Precambrian |
| Glensawisk Burn | H532786, H557833 | Tyrone | Quaternary |
| Glenshesk Valley | D31434343 | Antrim | Quaternary |
| Glenwest Bog | G975515 | Fermanagh | Quaternary |
| Golan Burn, Gortin | H523872 | Tyrone | Carboniferous, Precambrian |
| Goraghwood Quarry | J06553195 | Armagh | Devonian, Silurian |
| Gosheden | C498102 | Londonderry | Quaternary |
| Grangemore and Castlerock Sand Dunes | C805355, C780361 | Londonderry | Quaternary |
| Gransha | J160354 | Down | Devonian, Silurian |
| Greenan Mountain stream | H316668 | Tyrone | Carboniferous |
| Greenan Mountain, near Lack | H23103686 | Tyrone | Precambrian |
| Greencastle Bay (NW end) | J24751144 | Down | Carboniferous |
| Greencastle Bay middle beach | J253114 | Down | Carboniferous |
| Greenisland | J374843, J388856 | Antrim | Quaternary, Tertiary, Triassic |
| Henry's Bridge, Glensass Burn | H515917 | Tyrone | Precambrian |
| Hill's Port, The Gobbins | J485971 | Antrim | Tertiary |
| Hill's Port, The Gobbins, Island Magee | X34853971 | Antrim | Tertiary |
| Iniscarn Townland, near Desertmartin | H8290 | Londonderry | Carboniferous |
| Inisway Quarry | H161523 | Fermanagh | Carboniferous |
| Introduction to the Caledonian Igneous Complexes of N. Ireland | H00 | Antrim, Armagh, Down, Londonderry, Tyrone | Devonian, Silurian, Ordovician, Precambrian |
| Introduction to the Late Quaternary and Holocene of N. Ireland | H00 | Antrim, Fermanagh, Londonderry, Tyrone | Quaternary |
| Introduction to the Sand and Gravel Landscapes of N. Ireland | H00 | Antrim, Armagh, Down, Fermanagh, Londonderry, Tyrone | Quaternary |
| Introduction to the Structural Geology of N. Ireland | H00 | Antrim, Down, Fermanagh, Londonderry, Tyrone | No data |
| Kearney Point | J36463512 | Down | Devonian, Silurian |
| Keenaghan Lough | G97305999 | Fermanagh | Carboniferous |
| Keenaghan, on Belleek-Kesh road | X19823597 | Fermanagh | No data |
| Keenaght Water, Cullion Townland | H8190 | Londonderry | Carboniferous |
| Kilcoan, Island Magee | J461986 | Antrim | Cretaceous |
| Kildoag Quarry | C498085 | Londonderry | Precambrian |
| Kilkeel Cliff | J296126, J316140 | Down | Quaternary |
| Killard Point | J36273486, J36133434, J35583373 | Down | Quaternary |
| Killard Point | J610433 | Down | Quaternary |
| Killey Bridge | H70157108 | Tyrone | Ordovician |
| Killuney Stream | H8946 | Armagh | Carboniferous |
| Killygarry River | H2066 | Fermanagh | Carboniferous |
| Kilmore-Drumbullog townlands ditch, Newtownbutler | H43722840 | Fermanagh | Carboniferous |
| Kilrea | D920170, D948037 | Londonderry | Quaternary |
| Kilrea | D29494259, D29484037 | Antrim, Londonderry | Quaternary |
| Kiltierney Deer Park; Fiddler's Cave | H221625 | Fermanagh | Quaternary, Carboniferous |
| Kittybane Quarry, Prehen | C422136 | Londonderry | Precambrian |
| Knockaraven Townland quarry | H33526452 | Tyrone | Devonian |
| Knockinelder Bay and Kearney Point | J644511 | Down | Silurian |
| Knockmore Cliff | H083407, H093500 | Fermanagh | Carboniferous |
| Knockmore-Pollaraftra; Arches | H086500 | Fermanagh | Quaternary |
| Knockmore-Pollaraftra; Crinoid Cavern | H085493 | Fermanagh | Quaternary, Carboniferous |
| Knockmore-Pollaraftra; Doagh Lough relict caves | H077518 | Fermanagh | Quaternary, Carboniferous |
| Knockmore-Pollaraftra; Garrison Cave | H088497 | Fermanagh | Quaternary, Carboniferous |
| Knockmore-Pollaraftra; Legland Rising | H096496 | Fermanagh | Quaternary, Carboniferous |
| Knockmore-Pollaraftra; Lettered Cave | H088504 | Fermanagh | Quaternary, Carboniferous |
| Knockmore-Pollaraftra; Limestone pavement | H0949, H0750, H0850, H0849 | Fermanagh | Quaternary, Carboniferous |
| Knockmore-Pollaraftra; Meander Cave | H094494 | Fermanagh | Quaternary, Carboniferous |
| Knockmore-Pollaraftra; Pollaraftra | H080498 | Fermanagh | Quaternary, Carboniferous |
| Knockmore-Pollaraftra; Pollnamadda | H088491 | Fermanagh | Quaternary, Carboniferous |
| Knockmore-Pollaraftra; Pollnamansh | H068501 | Fermanagh | Quaternary, Carboniferous |
| Knockmore-Pollaraftra; Poulnamuck | H068502 | Fermanagh | Quaternary, Carboniferous |
| Knockmore-Pollaraftra; Roadside Pot | H087491 | Fermanagh | Quaternary, Carboniferous |
| Knockmore-Pollaraftra; Whitehouse Cave | H067502 | Fermanagh | Quaternary, Carboniferous |
| Knocknacarry Bridge, Cushendun | D240327 | Antrim | Precambrian |
| Knockninny & Molly Mountain; Knockninny relict cave | H273300 | Fermanagh | Quaternary, Carboniferous |
| Knockninny & Molly Mountain; Molly Stream Sink | H240287 | Fermanagh | Quaternary, Carboniferous |
| Ladyhill Quarry | X31723916 | Antrim | Tertiary |
| Lagan Valley | J33353731, J31223649 | Antrim | Quaternary |
| Laghta Bridge, Tievenameena | X26403884 | Tyrone | No data |
| Laghta Bridge, Tievenameena | H640884 | Tyrone | No data |
| Largy Hill, Lack | H22713655 | Tyrone | Precambrian |
| Largy Quarry | H299476 | Fermanagh | Carboniferous |
| Larkhill | H012639 | Fermanagh | Precambrian |
| Larkhill, near Belleek | X20083639 | Fermanagh | Precambrian |
| Larrybane Stalactite Cave, Larrybane Bay | D055448 | Antrim | Quaternary, Cretaceous |
| Leckpatrick Point | D225397 | Antrim | Precambrian |
| Letterbrat Quarry, Plumbridge | H471923 | Tyrone | Precambrian |
| Lifeboat House, Cushendall | D244269 | Antrim | Devonian |
| Lifeboat House, Cushendall - small island south of | D24382676 | Antrim | Devonian |
| Lighthouse and Mew Islands | J5985, J6086 | Down | Ordovician |
| Lime Hill Farm | H69407395 | Tyrone | Quaternary, Silurian |
| Lindsay's Leap, Mourne Mountains | J33713291 | Down | Tertiary |
| Lisdoo Townland pit | H28586137 | Tyrone | Devonian |
| Lisnaskea road cutting | H36213375 | Fermanagh | Carboniferous |
| Lissan Water | H815809 | Londonderry | Triassic |
| Little Deer Park Quarries | D329149 | Antrim | Tertiary |
| Little Deer Park Quarries, Glenarm | X33294149 | Antrim | Tertiary |
| Little River and Slate Quarry Bridge | H72977268, H727727 | Tyrone | Silurian, Ordovician |
| Lough Fea | H27993879, H27483855 | Londonderry, Tyrone | Quaternary |
| Lough Fea | H799879, H748855 | Londonderry, Tyrone | Quaternary |
| Lough Foyle Intertidal Flats | C65853915, C60102265 | Londonderry | Quaternary |
| Loughan Bay | D242383 | Antrim | Precambrian |
| Loughareema | D206356 | Antrim | Precambrian |
| Loughaveema | D207360 | Antrim | Quaternary |
| Loughermore Mountain | C606151 | Londonderry | Precambrian |
| Loughmacrory | X25993765 | Tyrone | Ordovician |
| Lurgan River, Mullylusty Townland | H087413 | Fermanagh | Carboniferous |
| Lurganboy | H590644, H586660, H605675 | Tyrone | Quaternary |
| Magherameena Quarry, Belleek | G980597 | Fermanagh | Carboniferous |
| Magho Cliffs | H0056, H087579 | Fermanagh | Carboniferous |
| Magilligan Complex | C665387 | Londonderry | Quaternary |
| Makenny Townland stream, near The Hollow House | H251552 | Tyrone | Carboniferous |
| Marble Arch Karst; Aghinrawn Cave | H12783338 | Fermanagh | Quaternary |
| Marble Arch Karst; Carricknacoppan Caves | H1232 | Fermanagh | Quaternary |
| Marble Arch Karst; Cat Pot | H11723384 | Fermanagh | Quaternary |
| Marble Arch Karst; Cat's Hole | H11683373 | Fermanagh | Quaternary |
| Marble Arch Karst; Island Pot | H11643369 | Fermanagh | Quaternary |
| Marble Arch Karst; John Thomas' Hole | H11883409 | Fermanagh | Quaternary |
| Marble Arch Karst; Legnabrocky Pot | H12203370 | Fermanagh | Quaternary |
| Marble Arch Karst; Marble Arch Cave | H121344 | Fermanagh | Quaternary |
| Marble Arch Karst; Mastodon | H11833393 | Fermanagh | Quaternary |
| Marble Arch Karst; McGovern's Sink, Freda's Hole | H11643394 | Fermanagh | Quaternary |
| Marble Arch Karst; Monastir Caves | H119335 | Fermanagh | Quaternary |
| Marble Arch Karst; Pollasillagh | H11833403 | Fermanagh | Quaternary |
| Marble Arch Karst; Pollasumera | H13023319 | Fermanagh | Quaternary |
| Marble Arch Karst; Pollbwee | H11983360 | Fermanagh | Quaternary |
| Marble Arch Karst; Pollnabrindle | H12663341 | Fermanagh | Quaternary |
| Marble Arch Karst; Pollnagapple | H12013405 | Fermanagh | Quaternary |
| Marble Arch Karst; Pollnagollum | H12783386 | Fermanagh | Quaternary |
| Marble Arch Karst; Pollthainarees | H11733392 | Fermanagh | Quaternary |
| Marble Arch Karst; Schoolhouse Cave | H10723334 | Fermanagh | Quaternary |
| Marble Arch Karst; Sruh Croppa Cave | H11603365 | Fermanagh | Quaternary, Tertiary |
| Marble Arch Karst; Upper Cradle Hole and Lower Cradle Hole | H120341 | Fermanagh | Quaternary |
| Marlbank-Cuilcagh Mountain Region; East Cuilcagh Overview | H1629 | Fermanagh | Quaternary, Carboniferous |
| Marlbank-Cuilcagh Mountain Region; Marble Arch Karst | H1233 | Fermanagh | Quaternary, Carboniferous |
| Marlbank-Cuilcagh Mountain Region; Prod's Pot - Cascades Rising Area | H1333 | Fermanagh | Quaternary, Carboniferous |
| Marlbank-Cuilcagh Mountain Region; Tullyhona, Brookfield and Trien | H1533 | Fermanagh | Quaternary, Carboniferous |
| Marlbank-Cuilcagh Mountain Region; Western Marlbank | H1034 | Fermanagh | Quaternary, Carboniferous |
| McIlroy's Port to Portmuck, Island Magee | D34544027 | Antrim | Tertiary |
| McIlroy's Port, Island Magee | D453028 | Antrim | Tertiary |
| McNally's Burn, Broughderg | C671878 | Tyrone | Ordovician, Precambrian |
| McNally's Burn, Broughderg | C671878 | Tyrone | Ordovician, Precambrian |
| Middletown Burn, Culvacullion Townland | H4987 | Tyrone | Carboniferous |
| Millin Bay | J630495 | Down | Silurian |
| Milltown | H804516 | Armagh, Tyrone | Triassic, Carboniferous |
| Milltown lead mine, Strabane | X23513967 | Tyrone | No data |
| Miner's Hole, Silent Valley | J33023243 | Down | Tertiary |
| Minnis North Mudflow | D339135 | Antrim | Cretaceous, Jurassic |
| Moffatt's Quarry, Drumquin | H3171 | Tyrone | Carboniferous |
| Moneymore | H859898, H849838 | Londonderry | Quaternary |
| Moneymore Complex | H28593898, H28493838 | Tyrone | Quaternary |
| Moneyneena | H7397 | Londonderry | Quaternary |
| Montiaghroe Townland Quarry | H18966892 | Fermanagh | Carboniferous |
| Moore Lodge Moraine | J302123, J289150 | Down | Quaternary |
| Mountfield Old Quarry | H535787 | Tyrone | Ordovician, Precambrian |
| Mountfield Quarry | H535787 | Tyrone | Ordovician, Precambrian |
| Mourne Plain Complex - Cranfield Moraine | J32633168 | Down | Quaternary |
| Mourne Plain Complex - Glenloughan Pit | J32563169 | Down | Quaternary |
| Mourne Plain Complex - Kilkeel Cliff | J32963126, J33163140 | Down | Quaternary |
| Mourne Plain Complex - Moore Lodge Moraine | J32873150 | Down | Quaternary |
| Mourne Plain Complex - Overview | J31923166, J33443167, J32703098 | Down | Quaternary |
| Mourne Plain Complex - Sandpiper Pit | J32823121 | Down | Quaternary |
| Mourne Plain Complex - Tullyframe Pit | J32633168 | Down | Quaternary |
| Mournes - Ben Crom | J311259 | Down | Tertiary |
| Mournes - Bloody Bridge Cone-sheet | J389276, J390271 | Down | Tertiary, Silurian |
| Mournes - Bloody Bridge River Section | J387270, J373268 | Down | Tertiary, Silurian |
| Mournes - Cone-sheet and Dyke Swarm - Overview | J1815 | Down | Tertiary |
| Mournes - Dunmore Head, Dykes Nos. 60, 61 & 63 | J388247 | Down | Tertiary |
| Mournes - Dyke No 124 at Samuel's Port, Annalong | J365181 | Down | Tertiary |
| Mournes - Eagle Mountain, Slievemoughanmore, Pigeon Rock Mountain | J250240 | Down | Tertiary, Silurian |
| Mournes - Eagle Rock | J358284 | Down | Tertiary, Silurian |
| Mournes - Glasdrumman Port Cone-sheet | J382232, J380223 | Down | Tertiary |
| Mournes - Green Harbour Dyke No. 55 | J388248 | Down | Tertiary |
| Mournes - Gruggandoo Quartz Porphyry Sheet | J202258 | Down | Tertiary |
| Mournes - Kilbroney River Section | J207221 | Down | Tertiary |
| Mournes - Lindsay's Leap, Thomas's Mountain | J373291 | Down | Tertiary |
| Mournes - Rocky Mountain | J234258 | Down | Tertiary |
| Mournes - Spelga Dam | J265273 | Down | Tertiary, Silurian |
| Mournes - The Diamond Rocks | J332287 | Down | Tertiary |
| Mournes - The Granites - Overview | J1815 | Down | Tertiary |
| Mournes Coast Raised Beach | J383236, J352171 | Down | Quaternary |
| Moyard | J413730 | Down | Tertiary, Triassic, Permian |
| Moygannon River Valley Moraines | J165225, J155200 | Down | Quaternary |
| Moyola River | H796974, H804975 | Londonderry | Carboniferous |
| Moyola Valley Complex | X27524972, X28324968, X28543922 | Londonderry | Quaternary |
| Muck Island Tombolo, Island Magee | D465025 | Antrim | Quaternary |
| Mullaghcarbatagh | H518949 | Tyrone | Precambrian |
| Mullaghmore Col | X27384008, X26863986 | Londonderry, Tyrone | Quaternary |
| Mullaghsillogagh Quarries, Clabby | H424503, H421505 | Fermanagh | Carboniferous |
| Mullynaskeagh Clay Pit | H069531 | Fermanagh | Carboniferous |
| Murlough Bay | D2142 | Antrim | Cretaceous |
| Murlough Complex | J410350 | Down | Quaternary |
| Murnies Delta, Dungiven Basin | X00 | Londonderry | Quaternary |
| Murrins Complex - Cashel Outwash | H562788, H581821 | Tyrone | Quaternary |
| Murrins Complex - Coolesker/Beragh Eskers | H512650, H508669, H531751 | Tyrone | Quaternary |
| Murrins Complex - Glensawisk Burn Delta | H532786, H557833 | Tyrone | Quaternary |
| Murrins Complex - Laght Hill Retreat Moraines | H590773 | Tyrone | Quaternary |
| Murrins Complex - Lough Fingrean Frontal Moraines | H573777 | Tyrone | Quaternary |
| Murrins Complex - Overview | H612725, H510810, H595828 | Tyrone | Quaternary |
| Mveela More | X26413792 | Tyrone | Ordovician |
| Newry By-pass | J08032485 | Armagh | Devonian |
| Newtownbutler Stream | H4226 | Fermanagh | Carboniferous |
| Newtownsaville | H500586, H539611 | Tyrone | Quaternary |
| Noon's Hole-Arch Cave; Aughakeeran Pot | H09344765 | Fermanagh | Quaternary, Carboniferous |
| Noon's Hole-Arch Cave; Crunthelagh Sink | H09374793 | Fermanagh | Quaternary, Carboniferous |
| Noon's Hole-Arch Cave; Killydrum Sink | H09954771 | Fermanagh | Quaternary, Carboniferous |
| Noon's Hole-Arch Cave; Limestone pavement | H0849, H0949, H0948, H0947 | Fermanagh | Quaternary, Carboniferous |
| Noon's Hole-Arch Cave; Noon's Hole-Arch Cave System | H09364830 | Fermanagh | Quaternary, Carboniferous |
| Noon's Hole-Arch Cave; Old Barr Sink | H09244844 | Fermanagh | Quaternary, Carboniferous |
| Noon's Hole-Arch Cave; Pollanaffrin | H09354754 | Fermanagh | Quaternary, Carboniferous |
| Noon's Hole-Arch Cave; Seltanahunny Sink | H08964860 | Fermanagh | Quaternary, Carboniferous |
| North Star Colliery, Ballycastle | D14244172 | Antrim | Carboniferous |
| Northeast Mournes Complex - Northeast Mournes Moraines | J345170, J370305, J330215 | Down | Quaternary |
| Northeast Mournes Complex - Northeast Mournes Raised Beaches | J383236 | Down | Quaternary |
| Northeast Mournes Complex - Overview | J345170, J370305, J330215, J383236 | Down | Quaternary |
| Orlock Bridge | J565829 | Down | Silurian, Ordovician |
| Other Karst Sites in County Antrim | J450954, D193263, D267244, D29282243 | Antrim | Quaternary, Tertiary, Cretaceous |
| Oughtboy Burn | H592952 | Tyrone | Precambrian |
| Oughtmore Mountain | H725837 | Tyrone | Precambrian |
| Oughtmore Mountain | H725837 | Tyrone | Precambrian |
| Outlying Sites in Fermanagh & Tyrone; Fardrum | H177507, H185494 | Fermanagh | Quaternary, Carboniferous |
| Outlying sites in Fermanagh & Tyrone; Garrison | G970509, G968464, H047474 | Fermanagh | Quaternary, Carboniferous |
| Outlying Sites in Fermanagh & Tyrone; Kiltierney Deer Park | H221625 | Fermanagh | Quaternary, Carboniferous |
| Outlying Sites in Fermanagh & Tyrone; Knockninny & Molly Mountain | H273300, H240287 | Fermanagh | Quaternary, Carboniferous |
| Outlying Sites in Fermanagh & Tyrone; Lough Lee-Binnawooda area | H255761, H24677799 | Tyrone | Quaternary, Carboniferous |
| Outlying Sites in Fermanagh & Tyrone; Slieve Beagh area | H4840, H4844, H5244, H5240 | Fermanagh, Tyrone | Quaternary, Carboniferous |
| Palaeontological sites of Northern Ireland - Introduction | H00 | Antrim, Armagh, Down, Fermanagh, Londonderry, Tyrone | Quaternary, Tertiary, Cretaceous, Jurassic, Triassic, Permian, Carboniferous, Devonian, Silurian, Ordovician, Precambrian |
| Plaister Quarry, Aughnacloy | H678539 | Tyrone | Carboniferous |
| Pollaphuca, Mourne Mountains | J310283 | Down | Tertiary |
| Pomeroy | H613726, H682679, H723663 | Tyrone | Quaternary |
| Pomeroy Complex | H26133726, H26823679, H27233663 | Tyrone | Quaternary |
| Port Calliagh-Ballycastle | D109420, D120416 | Antrim | Cretaceous |
| Port Moon (Contham Head) | C978456 | Antrim | Tertiary |
| Port Obe, Cushendall | D24702882 | Antrim | Devonian |
| Portballintrae | C923423 | Antrim | Quaternary |
| Portmuck, Island Magee | D458023 | Antrim | Cretaceous, Jurassic |
| Portnaloub | D167431 | Antrim | Carboniferous |
| Portrush - Jurassic | C857410 | Antrim | Tertiary, Jurassic |
| Portrush NNR | C857412 | Antrim | Tertiary, Jurassic |
| Portrush West Strand Coastal Peat | C855402 | Antrim | Quaternary |
| Portstewart Strand Sand Dunes | C805365 | Londonderry | Quaternary |
| Prehen Quarry | C423147 | Londonderry | Precambrian |
| Prehen Quarry | C423147 | Londonderry | Precambrian |
| Prod's Pot - Cascades; Cascades Rising | H12283498 | Fermanagh | Quaternary, Carboniferous |
| Prod's Pot - Cascades; Goat Pot | H15783133 | Fermanagh | Quaternary |
| Prod's Pot - Cascades; Gortmaconnell Pots | H13633342 | Fermanagh | Quaternary |
| Prod's Pot - Cascades; Harry Jacques Memorial Cavern | H14213326 | Fermanagh | Quaternary |
| Prod's Pot - Cascades; Pelvis Pot | H14123359 | Fermanagh | Quaternary |
| Prod's Pot - Cascades; Prod's Pot | H13643371 | Fermanagh | Quaternary, Carboniferous |
| Prod's Pot - Cascades; Smokey Mountain Sink | H13993003 | Fermanagh | Quaternary |
| Prod's Pot - Cascades; Westminster Dig | H14033361 | Fermanagh | Quaternary |
| Purdy's Burn | J343680, J364664 | Down | Silurian, Ordovician |
| Rahallan Townland | H147402 | Fermanagh | Carboniferous |
| Rathfriland | J20453545 | Down | Devonian |
| Rathlin Island | D150510 | Antrim | Tertiary |
| Red Arch and coastal exposures, Waterfoot | D244262 | Antrim | Devonian |
| Red Arch, Waterfoot - north of | D24352630 | Antrim | Devonian |
| Reyfad-Carrickbeg; Braad Dry Valley | H109465 | Fermanagh | Quaternary, Carboniferous |
| Reyfad-Carrickbeg; Carrickbeg | H11724670 | Fermanagh | Quaternary, Carboniferous |
| Reyfad-Carrickbeg; Fairy Cave | H09254750 | Fermanagh | Quaternary |
| Reyfad-Carrickbeg; Ivy Hole | H10694635 | Fermanagh | Quaternary |
| Reyfad-Carrickbeg; Little Reyfad | H096465 | Fermanagh | Quaternary, Carboniferous |
| Reyfad-Carrickbeg; Mad Pot | H09444666 | Fermanagh | Quaternary, Carboniferous |
| Reyfad-Carrickbeg; Murphy's Hole | H10054613 | Fermanagh | Quaternary |
| Reyfad-Carrickbeg; Oweyglass Caves | H100470 | Fermanagh | Quaternary |
| Reyfad-Carrickbeg; Pollbeg | H11744557 | Fermanagh | Quaternary, Carboniferous |
| Reyfad-Carrickbeg; Pollmore | H11654582 | Fermanagh | Quaternary, Carboniferous |
| Reyfad-Carrickbeg; Pollnacrom | H08534702 | Fermanagh | Quaternary, Carboniferous |
| Reyfad-Carrickbeg; Polltullybrack | H09214672 | Fermanagh | Quaternary, Carboniferous |
| Reyfad-Carrickbeg; Rattle Hole | H10234633 | Fermanagh | Quaternary |
| Reyfad-Carrickbeg; Reyfad Pot | H08894687 | Fermanagh | Quaternary, Carboniferous |
| Reyfad-Carrickbeg; Seltanacool Sinks | H102458 | Fermanagh | Quaternary |
| River Blackwater, Benburb | H802518, H819519 | Armagh, Tyrone | Carboniferous |
| Rock Road Quarry, Armagh | H871435 | Armagh | Carboniferous |
| Rockfield (Mitton's) Quarry | H405310 | Fermanagh | Carboniferous |
| Roddan's Port | J641658 | Down | Quaternary |
| Roddan's Port | J641658 | Down | Quaternary |
| Rosemount | J591675 | Down | Silurian |
| Runkerry Strand, Bushfoot | C935427 | Antrim | Quaternary |
| Rushindoo Townland quarry | H15927195 | Fermanagh | Carboniferous |
| Rylagh Burn, near Omagh | X24623780 | Tyrone | Carboniferous, Precambrian |
| Sandy Braes | J206958 | Antrim | Tertiary |
| Sandy Braes | J32063958 | Antrim | Tertiary |
| Scalp Hill | X26353745 | Tyrone | Ordovician |
| Scawt Hill | D338090 | Antrim | Tertiary, Cretaceous |
| Scawt Hill, near Ballygalley | D33374090 | Antrim | Tertiary, Cretaceous |
| Scrabo Hill - Tertiary | J479725 | Down | Tertiary, Triassic |
| Scrabo Hill - Triassic | J479725 | Down | Tertiary, Triassic |
| Shannaghan Hill | J21854070 | Down | Devonian, Silurian |
| Shanvin | H212733 | Tyrone | Carboniferous |
| Shaque Hill, near Dundrum | X33923365 | Down | No data |
| Sillees River, Glenasheevar | H041538 | Fermanagh | Carboniferous |
| Six Mile Water | J31763848, J32623896 | Tyrone | Quaternary |
| Skeagh and Craigcluggan | D302062, D294081 | Antrim | Tertiary |
| Slatmore Quarry, Clogher | H505482 | Tyrone | Carboniferous |
| Slemish Mountain | D22150540 | Antrim | Tertiary |
| Slieve Croob | J31854535 | Down | Devonian, Silurian |
| Slieve Gallion | H807885 | Londonderry | Quaternary |
| Slieve Gullion Ring - Cam Lough Quarry | J037246 | Armagh | Tertiary, Devonian, Silurian |
| Slieve Gullion Ring - Cloghinny 'pillow lavas' | J024180 | Armagh | Tertiary |
| Slieve Gullion Ring - Crooked Road | J00152405 | Armagh | Tertiary, Devonian |
| Slieve Gullion Ring - Forest Quarry | J019192 | Armagh | Tertiary |
| Slieve Gullion Ring - Glendesha Forest | H995171 | Armagh | Tertiary |
| Slieve Gullion Ring - Mullaghbawn Central | H981183 | Armagh | Tertiary, Devonian |
| Slieve Gullion Ring - Mullaghbawn North | H977187 | Armagh | Tertiary |
| Slieve Gullion Ring - Mullaghbawn South | H98151760 | Armagh | Tertiary, Devonian |
| Slieve Gullion Ring - Overview | J025203 | Armagh | Tertiary, Devonian |
| Slieve Gullion Ring - Sarah Daly's Bridge | J02772308 | Armagh | Tertiary |
| Slieve Gullion Ring - Slieve Gullion | J020198 | Armagh | Tertiary |
| Slievemenagh, near Greencastle | X26243824 | Tyrone | Ordovician |
| Slievenagriddle | J522449 | Down | No data |
| Sluggan Bog | J099921 | Antrim | Quaternary |
| Spincha Burn, Cluntygeeragh Townland | C72980316 | Londonderry | Carboniferous |
| Sruhanleanantawey | X27883886 | Londonderry | Ordovician |
| St. John's Point | J527333 | Down | Tertiary |
| Strabane Quarry | H349982 | Tyrone | Precambrian |
| Straduff Quarry | H343666 | Tyrone | Carboniferous |
| Straduff Quarry | H343666 | Tyrone | Carboniferous |
| Strangford Lough Intertidal Flats | J507630, J577680 | Down | Quaternary |
| Tamnagh | C591025, C604000 | Londonderry | Quaternary |
| Tamney | C633032 | Londonderry | Precambrian |
| Tamny Townland, Feeny | X26334032 | Londonderry | No data |
| Tardree Mountain | X31923941 | Antrim | Tertiary |
| Tedd Cross Roads Segment, Cloghfin | H25866148 | Fermanagh | Devonian |
| Templemoyle | C672042, C654026 | Londonderry | Quaternary |
| Tempo Valley Delta Complex - Glengesh and Tattinweer | H366494 | Tyrone | Quaternary |
| Tempo Valley Delta Complex - Lough Eyes | H340450, H303411 | Tyrone | Quaternary |
| Tempo Valley Delta Complex - Overview | H398542, H302411 | Tyrone | Quaternary |
| Tempo Valley Delta Complex - Tempo and Pubble | H340450, H322472, H366494 | Tyrone | Quaternary |
| Tempo Valley Delta Complex - Upland areas of the Fintona Hills | H332484, H309452, H309451 | Tyrone | Quaternary |
| The Carboniferous System in N. Ireland - Introduction | H00 | Antrim, Armagh, Down, Fermanagh, Londonderry, Tyrone | Carboniferous |
| The Cretaceous System in N. Ireland - Introduction | H00 | Antrim, Down, Londonderry, Tyrone | Cretaceous |
| The Dalradian rocks of Northern Ireland | H00 | Antrim, Londonderry, Tyrone | Precambrian |
| The Devonian System in N. Ireland - Introduction | H00 | Antrim, Fermanagh, Tyrone | Devonian |
| The Diamond Rocks, Mourne Mountains | J33253289 | Down | Tertiary |
| The Jurassic System in N. Ireland - Introduction | H00 | Antrim, Down, Londonderry, Tyrone | Jurassic |
| The Permian System in N. Ireland - Introduction | H00 | Antrim, Armagh, Down, Tyrone | Permian |
| The Pre-Dalradian rocks of Northern Ireland | H00 | Fermanagh, Tyrone | Precambrian |
| The Triassic System in N. Ireland - Introduction | H00 | Antrim, Armagh, Down, Londonderry, Tyrone | Triassic |
| Tievebulliagh | D194268 | Antrim | Tertiary, Cretaceous |
| Tievebulliagh | D31944268 | Antrim | Tertiary |
| Tintagh, Slieve Gallion | H28103872 | Londonderry | Devonian, Ordovician |
| Tircar Stream, Fivemiletown | H48804677, H48564728 | Tyrone | Carboniferous |
| Tircrevan Burn (palaeontology) | C701326 | Londonderry | Cretaceous |
| Tircreven Burn (Mesozoic stratigraphy) | C701328 | Londonderry | Cretaceous, Jurassic |
| Tiroony | H571679 | Tyrone | Quaternary |
| Torr Head | D234406 | Antrim | Precambrian |
| Torr Head | D234406 | Antrim | Precambrian |
| Torr Head | C234406 | Antrim | Precambrian |
| Tullyard Townland stream | H30117640 | Tyrone | Carboniferous |
| Tullybrick | X27323904 | Londonderry | Ordovician |
| Tullyconnell | H844747 | Tyrone | Permian |
| Tullydonnell, near Silverbridge | X29753157 | Armagh | No data |
| Tullyhona stream | H153338 | Fermanagh | Carboniferous |
| Tullyhona, Brookfield and Trien; Brookfield Sink No.1 | H14583339 | Fermanagh | Quaternary |
| Tullyhona, Brookfield and Trien; Dick's Sinks | H15033335 | Fermanagh | Quaternary |
| Tullyhona, Brookfield and Trien; Tullyhona Rising Cave | H15333373 | Fermanagh | Quaternary, Carboniferous |
| Tullyhona, Brookfield and Trien; Tullyhona Rock Pots | H152333 | Fermanagh | Quaternary |
| Tullyhona, Brookfield and Trien; Whiskey Holes | H15453332, H15543332 | Fermanagh | Quaternary |
| Tullynaguiggy | H218616 | Fermanagh | Carboniferous |
| Tullyratty, near Castleward | X35663485 | Down | No data |
| Waterloo | D410034, D409038 | Antrim | Cretaceous, Jurassic, Triassic |
| Western Marlbank; Dave's Hole | H09543535 | Fermanagh | Quaternary |
| Western Marlbank; Gortaree Sink | H08633526 | Fermanagh | Quaternary |
| Western Marlbank; Hammer Pot | H10153477 | Fermanagh | Quaternary |
| Western Marlbank; Hanging Rock Risings - East Rising | H10453663 | Fermanagh | Quaternary |
| Western Marlbank; Killykeeghan Pots | H08633526 | Fermanagh | Quaternary |
| Western Marlbank; Legacapple | H09653496 | Fermanagh | Quaternary |
| Western Marlbank; Marlbank Rising | H08633526 | Fermanagh | Quaternary |
| Western Marlbank; Polltullyard | H09443241 | Fermanagh | Quaternary, Carboniferous |
| Western Marlbank; Revolution Pot | H10353524 | Fermanagh | Quaternary |
| Western Marlbank; Tullynakeeragh Gravel Lake | H09763188 | Fermanagh | Quaternary |
| Western Marlbank; West Rising and Pollnasalac | H10423663 | Fermanagh | Quaternary |
| Western Moraine Complex - Moygannon River Valley Moraines | J165225, J155200 | Down | Quaternary |
| Western Mournes Complex - Ghann River Moraines | J170198, J172195, J181220 | Down | Quaternary |
| Western Mournes Complex - Kilbroney River Valley Moraines | J234273, J178181 | Down | Quaternary |
| Western Mournes Complex - Overview | J234273, J178181, J184250, J165225, J155200, J129222, J145192 | Down | Quaternary |
| Western Mournes Complex - Western lowlands, drumlins and moraines | J129222, J145192 | Down | Quaternary |
| Western Mournes Lowlands, Drumlins and Moraines | J129222, J145192 | Down | Quaternary |
| Whiskin Rocks | J615734 | Down | Silurian |
| White Head | J475913 | Antrim | Cretaceous |
| White House Port, Cloghy | J645552 | Down | Silurian |
| White Mountain Quarry, near Lisburn | X32363675 | Antrim | Tertiary |
| White Park Bay | D008443, D029449 | Antrim | Cretaceous, Jurassic |
| White Rocks - Coastal Geomorphology | C891409, C906416 | Antrim | Quaternary, Cretaceous |
| White Rocks - Cretaceous | C888408, C903413 | Antrim | Cretaceous |
| White Rocks - Tertiary | C887408, C900411 | Antrim | Tertiary, Cretaceous |
| Whitespots - Conlig lead mines | X34923765 | Down | No data |
| Woodgrange | J440445 | Down | Quaternary |
| Yate's Corner | J394623 | Down | Silurian, Ordovician |