Index

Albert Formation 25, 28 impact on Mesozoic 391 Antrim Lava Group 288 setting 388 apatite fission track analysis 175-6, 176-7 Broadford Beds Formation 37, 58, 102, 318, 319, 324 experimental results 177-81 Bundoran 460 experimental results discussed 181-4 Bundoran Formation 205, 208-9, 213 implications of results 184-7 burial histories Applecross Formation 98, 106-7 N 250 Archaeonassa 221 NW Seaboard 3-5 Arenicolites 221-3, 236 75-7 Arran Basin 78, 85-6 burrows 234 Assaroe Lake 459-60 Asteriacites 223-5 Atlantic Basin evolution, North see carbonates plate motions 401-5 Caledonian Orogen 422-5 plate reconstructions 405-10 Camasunary Fault 98, 106-7, 114 plate reconstructions discussed 410-17 Canada, continental margin of plate setting 397-401 lithostratigraphy 191-4 Atlantic Seaway evolution source rocks 28 441-3 25-8 432-41 Canice Basin 377, 381 428-32 Canna Formation 306 425-8 Canso Group 26, 27, 192 Palaeozoic 422-5 Cantabrian Basin 399 Aulichnites 225 cap rocks see seal rocks authigenic minerals 245-8 carbonates concretion studies Bakevillia Sea 428 methods of analysis 145-6 Ballycastle 243,245,455 results 149 Ballycotton Group 61 results discussed 149-52 Ballydeenlea outlier 260 leaching 85,246 Ballymore Beds 205 precipitation 81-3 Ballyshannon Formation 205, 211,458 Barents Shelf and Sea 425 source rocks 449, 451 Barra Formation 306 Canada 28 Barra Volcanic Ridge System 381 Midland Valley 23 baryte 86, 87 NW Seaboard 7, 7-9, 9-12 basement, /Bristol Channel stratigraphy faults 390-1 Canada 25-8, 191-4 impact on Mesozoic 391-2 Basin 17 setting 386-90 N Ireland 194-9, 203-11,217, 218-21,237-9, 449 bauxite 456 Carraun Shale Formation 196 Bay St George Basin 30-1 Castle Archdale Fault 199 Bearreraig Formation I 1, 60, 102, 319 Celtic Sea Basin 424 Belfast Harbour Borehole Formation 199 basement 386-90 Bellavally Formation 196 faults 390-1 Benbulben Shale Formation 205,209, 213, 462 impact on Mesozoic 391-2 Bergaueria 226 Jurassic stratigraphy 58, 59, 61 biomarkers and maturity 37-8 tectonostratigraphy 345,399, 413 methods of study 38-9 cementation results 39-48 Cretaceous 161 results discussed 48 Permo-Triassic 81-3 bioturbation 235-6 see also carbonates Blackstones Basin 294, 296-7 Chalk 258, 287-8 Blue Lias Formation 58, 102 Charlie Gibbs Fracture Zone 375, 377,379 Boyle Sandstone Formation 205,207, 211 chlorite 77, 79, 155 Bridgetown 458-9 Chornatichnus 226 Bristol Channel basement studies Chondrites 226 faults 390 chromatography 10-11, 42-7 466 INDEX

Clare Lineament diagenesis magmatism 381-2 Cretaceous 161 pathway 379-81 Permo-Triassic 77-85 setting 375-7 Carboniferous 248-50 structure 379 dickite 85 suture links 382-3 Diplocraterion 229, 236-7 clay minerals in diagenesis dolomite 81,246 Jurassic 155-7 Donegal Basins 56, 294, 299-301,307 Permo-Triassic 77-8 Donegal Syncline 458 Carboniferous 246 Dowra Sandstone 205 Clogher Valley Formation 457 Drapersfield 457 Cloghfin Fault 199 Dumfries and Galloway Basin 78, 85 Clonelly 457-8 Dun Caan Shale 35, 37, 60 Clonelly Sandstone 457 maturity studies 42-7 Cloyne Syncline 259-60 Dungarvon Formation 61 Coalisland 193 Duntulm Formation 37, 111, 113, 114, 155-7 Coalisland coals 28 Cochlichnus 226--8 Cole Bridge 457 Coll-Tiree Block 293 concretion studies Colliery Bay 455 distribution 145 Colliery Glen Formation 450 methods of analysis 145-6 colonization 236 results 146-9 Colonsay Basin 85, 294 results discussed 149-52 Colonsay Group 304, 307 hydrocarbon shows 9, 12 colour alteration index (CAI) 21-3 Elgol Sandstone Formation 9, 113,319 concretion studies, Jurassic eodiagenesis distribution 145 Carboniferous 248 methods of analysis 145-6 Permo-Triassic 77-83 results 146-9 Erris Basin 56, 57 results discussed 149-52 exploration history 14 conodonts and colour alteration 21-3 Conostichus 228 facies analysis Cornubian Massif 63,424 Hebrides Basin 118-36 Cretaceous Porcupine Basin source rocks 7 Jurassic 343-4 stratigraphy Tertiary 356--68 Celtic Sea Basin 261-2 Fair Head Sill 453 Hebrides Basin 159-60 Faroe- Basin 3, 7 Basin 266 feldspar N Atlantic 393 Carboniferous 245 Porcupine Basin 265,336-43, 351-2 Permo-Triassic 81, 89-91 Ulster Basin 258, 287-8 Fermanagh 28 tectonics 441-3 Fintona Block 193 Croghan Limestone 205 Fintona Group 195 Croyde Formation 58 fission track analysis (FTA) experiments Cruziana 228 principles 175-7 Cuillins Complex 37 results 177-81 Cullaidh Shale Formation 9, 35, 37, 113 results discussed 181-4 Cumberland Basin 30-1 significance 184--7 Cumberland Group 25, 26, 27, 193 fluorite 86, 87 Curvolithus 228 Foldvik Creek Group 425-8 Cushendal1451-3 Forth Approaches 85-6 Fundy Basin 30-1 D ratios 157 Dalradian 449, 453 Galicia Basin 399 Dartry Limestone Formation 194, 205, 210, 213,462 Galley Head Formation 60 De Geer Line 422, 425 Garantiana Clay 37 Deer Lake Basin 30-1 Garrison Sill 462 Dergvone Shale Formation 196 gas chromatography 10-11, 42-7 Desertcreat Group 457 geochemistry methods of analysis 145-6 source rocks 5, 12 results 149 stratigraphy 277 results discussed 149-52 INDEX 467

Giant's Causeway 455-6 Inner Hebrides Basin see under Hebrides Basins Glenade Sandstone Formation 194, 462 Inner Moray Firth Basin 81, 87 Glencar Limestone Formation 196, 205,209, 213, 462 Irish Massif 63 Glennasheevar 462 Irish Sea Basins 265-6 goethite 248 -Donegal Platform 304, 307 Gordia 229 isotopic analysis see hydrogen; oxygen; Rb/Sr; Sm/Nd Grand Banks 28, 30-1 Great Estuarine Group 102, 111-14, 319 Jeanne d'Arc Basin 345,399, 412-13, 415 Great Glen Fault 304-6, 307 Jura Formation 306 Greenan Sandstone Formation 195, 196, 199 Jurassic Greyfield Formation 209 source rocks 7, 318 86 stratigraphy Gyrochorte 229 Celtic Sea Basin 262 Hebrides Basin 17, 35, 100-1,112-14, 118-36 haematite 78, 248 Irish Sea Basins 265-6 85--6 N Atlantic 393 heavy mineralogy 118 NW Seaboard 55-6, 57-62 Hebrides Basins 98 Porcupine Basin 265,336-43 general setting Ulster Basin 286-7 burial history 3, 100-1 tectonics 269-70, 432-41 fault movements 106-8 source rocks 7 kaolinite 85, 155,246-8, 456 stratigraphy 57-62, 101-5 types 7 structure 97-9 Kilbryan Limestone Formation 205,208, 211 uplift history 105-6 Kilcoo Sandstone Formation 206, 211 Inner Hebrides Basin Kilkhampton Formation 59 facies analyses 118-36 Kilmaluag Formation 111, 113, 155-7 palaeogeography 137-42 Kilskerry Group 194, 195, 198 stratigraphy 111-14 Kingscourt Graben 258-9 see also clay minerals, Jurassic also concretion studies Kingscourt Gypsum Formation 259 Kingscourt Sandstone Formation 259 basin evolution 166-7 Kintyre 7 geological setting 17-20 Kish Bank Basin 265-6 Jurassic stratigraphy 111-14 facies analysis 118-36 Lame 449-51 palaeogeography 137-42 Lealt Formation 37, 113, 114, 319 potential 20 Leitrim Group 193, 194, 196, 210-1 I, 213 Tertiary magmatism 166-8, 169-72 lignite 456 crustal extension 169 Lilstock Formation 58 dyke emplacment 168-9 Lisbellaw Inlier 457 temperature effects see fission track analysis results Lisgorman Shale 205 Hebrides Formation 306 lithospheric stretching model, Porcupine Basin 327-30 Hebrides Islands 9 Little River Group 457 Hebrides Trough 294, 296-7 Liverpool Land High 424 hematite 78, 248 Loch Indaal Basin 265 Hibemian Greensand Formation 258, 287-8 Loch Skerrols Thrust 307 Highland Border Ridge 255, 277 Lochaline Sandstone Highland Boundary Fault 281,424, 425 diagenesis 161 Highlands of Scotland 63 mineralogy 160-1 Hitra Fault Alignment 422, 424, 425 reservoir properties 16t-2 Hopeman Sandstone 78, 81, 86-7, 88 sedimentology 159-60 Horton Group 25, 27, 30-1,191-2 Lochmaben Basin 78 hydrocarbon shows 9-14 Lockeia 229 hydrogen index 7 Longford-Down Massif 449 hydrogen isotope ratios 157 Lophoctenium 229-30 Lome Formation 306 Iapetus Suture 382-3,422 Lough Allen Basin 193, 194 ichnology, Carboniferous 221-35 evolution 211-13 igneous activity stratigraphy 204-11 intmsives structure 203-4 Clare Lineament 381-2 Lough Navar Forest 462 Malin Sea 301-3 Lough Neagh Group 258 Sea of the Hebrides 163-7 Lough Neagh-Larne Basin 255, 277,449 volcanism 35-7, 167-8,455-6 modelling stratigraphy illite 77, 80, 83-5, 88, 155 method 278-81 468 INDEX

results 281-8 Murlough Bay 453-5 results discussed 288-9 Mre Basin 424, 428 Lusitanian Basin 345, 399 Neonereites 230 Magdalen Basin 30-1 Neptunist/Plutonist controversy 456 magmatism Newfoundland Shelf 28, 30-1 Clare Lineament 381-2 North Antrim coals 28 Malin Sea 301-3 North Barents Sea Basin 424, 425 Sea of the Hebrides Basin North Channel Basin 255 dyke emplacement 168-9 N~rth Minch Basin 78, 81, 85-6 extension modelling and implications 169-72 North Novaya Zemlya Basin 424, 425 lava distribution 167-8 425 magma migration 163-6 Northwest Seaboard temperature effects see fission track analysis results burial history 3-5 Skye 35-7 hydrocarbons Magnesian Limestone 199 exploration 14 Main Limestone 245 shows 9-14 Malin Basin 294, 297-9 sources 5-9 Malin Formation 306 Jurassic Basins Malin Sea 291-3 stratigraphy 55-63 faulting 304-5 tectonics 63-5 history 307-9 intrusives 301-3 Oakport Limestone Formation 205, 208, 213 Quaternary deposits 306 Group 28 structure 293-301 Olivellites 230 Malin Shelf 193-4 Omagh Syncline 458 Malin Terrace 297 Orcadian Basin 5-7, 12 Malin Trough 297 449 Maritimes Basin 28, 30-1 Orphan Basin 399,412, 413 maturity Outer Hebrides Platform 63, 293 Carboniferous sediments 213-14, 266-7 Outer Isles Fault 17 measurement of 37-8 oxygen isotope fractionation methods 38-9 Jurassic clays 157 results 39-48 Jurassic concretions 145-9 results discussed 48 Permo-Triassic sediments 91-4 Mauchline Basin 78, 85-6 Meenymore Formation 194, 213, 462 Pabba Shale 20, 35, 37, 59, 102, 318, 324 Mercia Mudstone Group 283-6, 450 palaeogeography mesodiagenesis Cretaceous 272, 441-3 Carboniferous 248 Jurassic 54, 62-3, 137-40, 268,432-41 Permo-Triassic 83-5 Permo-Triassic 268,425-32 metamorphism and maturity 39-48 Palaeozoic 422-5 Midland Valley of Scotland 23 Palaeophycus 230 Minch Basin 155-7 Pembroke Ridge 63 North 78, 81, 85-6 Penarth Group 102, 286 Minches, The 17-20 Permian 198-9, 422-3,449, 451 mineralogy Permo-Triassic stratigraphy 267-9 Cretaceous 160-1 Celtic Sea Basin 261-2 Jurassic 118 Irish coast 258-60 Permo-Triassic 75 Irish Sea Basins 265-6 Carboniferous 245-8 N Ireland Basins 265,449 Mizen Head Group 61 Porcupine Basin 263 Moine 449 Scottish coast 17, 72, 73 Moncton Basin 30-1 burial history 75-7 Moray Firth Basin 81, 87,424 diagenesis 77-85 Morocco Basin 399 environment of deposition 72-4 Morvern 7 mineralogy 75 Morvern Formation 159 Ulster Basin 255-8 Mourne Plutonic Complex 449 see also Triassic Mull 9 petrographic studies 245 Mullaghmore Head 460-2 Phycodes 232 Mullaghmore Sandstone Formation 205, 209, 217, 460 Pictou Group 25, 27, 30-1,192-3 environment of deposition 237-9 plate tectonic reconstructions sedimentology 218-21 North Atlantic 399-401 INDEX 469

destretched reconstruction 405-10 Rockall Trough 55-6, 377 destretching procedure 417-18 Ruadan Ridge 381 poles of rotation 401-5 results discussed 410-17 Sackville Basin 30-1 Northeast Atlantic Seaway St Finnians' Spur 376 Cretaceous 441-3 St Kilda Platform 63 Jurassic 432-41 Scalarituba 232-3 Triassic 428-32 Scalpa Sandstone Formation 59, 102, 319 Permian 425-8 Scaipay House Fault 98, 106-7 Palaeozoic 422-5 Schaubcylindrichnus 233 ploughtrails 234-5 Schull Formation 61 Plutonist/Neptunist controversy 456 Scolicia 233 Pomeroy 457 Scotian Basin 399 Porcupine Abyssal Plain 377 Scottish Highlands 63 Porcupine Bank 63 Scrabo Hill 449 Porcupine Basin 376-7 Screapadal Fault 98, 106-7 Cenozoic Sea of the Hebrides Basin see under Hebrides Basins facies analysis 356-68 Seabight Basin 376, 377 history of development 368-72 seafloor spreading 399 stratigraphy 351-6 seal rocks 319-24, 451 Mesozoic seismic stratigraphy, 351-6 age relations 344-5 facies interpretations 356-68 basin relationships 345-7 history of deposition 368-72 facies analysis 343-4 Senja-Hornsund Alignment 422,425 hydrocarbons 347-8 sequence stratigraphy stratigraphy 3, 13,262-5, 334--43,399 Hebrides Basin 101-3, 120-36 stretching history 327-30 west coast basins 57-62 Palaeozoic 7, 193-4 Shanmullagh Formation 199 Porcupine Median Volcanic Ridge 379, 381 Sherwood Sandstone Group 199, 281-3,452, 457 Porcupine Ridge 377 Shinnan Hill 458 Porcupine Trough 55-6, 57, 61 Bank Block 293 porosity studies Skerryvore Fault 114 Carboniferous 243-4, 250-1 Skerryvore Formation 306 Permo-Triassic 87-8 Skerryvore Trough 297 Portmore Formation 450 Skolithos 233 Portree Shale Formation 35, 37, 59, 102, 318,324 Skudiburgh Formation 61, 113 Portrush 456 Skye pressure solution 83 hydrocarbon shows 9, 12 pyrolysis gas chromatograms 10-11 Jurassic stratigraphy 113, 115, 127-36 Tertiary igneous effects 35-7, 177-87 quartz authigenesis 161,245-6 Slievebane Group 195, 199 Quaternary deposits 306 Slyne Trough 376 hydrocarbon migration 324-6 Raasay Ironstone Formation 59, 102 reservoir rocks 318-19 Rathlin Basin (Trough) seal rocks 319-24 burial history 3 source rocks 318 diagenetic history 85-6 stratigraphy 56, 57, 59 stratigraphy 255,265,449 structure 315-18 stratigraphy modelling Sm/Nd ratios 157 methods 278-81 smectite 77, 78, 79, 155 results 281-8 source rocks 5-9 results discussed 288-9 Carboniferous 28, 449 Ravnefjeld Formation 428 Jurassic 318, 347-8 Rb/Sr ratios 155 South Barents Sea Basin 424, 425 Red Arch Formation 452 South Wales Ridge 63 red beds Southern Uplands Fault 281 origins 243 875r]86Sr ratios 155 significance 251-3 Staffin Bay Formation 61, 102, 319 reservoir properties Staffin Shale Formation 35, 37, 102 Cretaceous 161-2 Stanton Bank Block 293 Jurassic 318-19, 347-8 Stanton Formation 306 Permo-Triassic 87-9, 449 Stanton Trough 293--4 Rhyzocorallium 232 Stellarton Basin 30-1 Riverdale Group 26, 27, 30-1, 192 Stranraer Basin 78 470 INDEX

Strathaird 113 stratigraphy Stratton Formation 59 Hebrides Basin 99-100 Sydney Basin 30-1 Ulster Basin 281-6 tectonics 432-4 1 Taenidium 233-4 Trotternish 113, 115, 127-36 tectonic history Trotternish Sill Complex 37 N Ireland 199-200 Twigspark Formation 208, 211 NW Seaboard 63-5 Tyrone Group 191,194, 196 Tedd Formation 193, 199 Tyrone Igneous Complex 196 Teichichnus 234 telodiagenesis Ulster Basin 7, 14, 255-8 Carboniferous 248-50 Ulster White Limestone Formation 258, 287-8 Permo-Triassic 85 Uralian Orogeny 425 temperature effects burial 75 Valtos Sandstone Formation intrusion 186-7 Hebrides Basin 111-12, 113 Tertiary depositional model 136-7 magmatism facies analysis 118-36 dyke/sill emplacement 168-9, 449 lithostratigraphy 114 lava distribution 167-8,455 palaeogeography 137-42 magma migration 163-6 petrography 114-18 temperature effects see fission track analysis results see also concretion studies see also FTA NW Seaboard 9 source rocks 7, 9 Slyne Trough 324 stratigraphy Van Krevelen diagram 8, 9 Celtic Sea Basin 262 Variscan Orogeny 425 Hebrides Basins 17 Variscan Front 386, 388, 391,424 Ireland 260-1,449 Variscan thrusts 385-90 Porcupine Basin 352-68 vitrinite reflectance measures 213-14, 266, 318 Ulster Basin 258 volcanism 35-7, 167-8,455-6 tectonics 271-3 thermal metamorphism and maturity 39-48 Waterloo 449-51 Thornhill Basin 78 Wegener Halve Formation 428 Thornhill Sandstone Formation 89-91 Wessex Basin 387, 388, 391 tiering 236 Wexford Outlier 259 TOC 37, 318 Whale Basin 399 Tornquist Alignment 422, 424 Windsor Group 25, 27, 192 Torridonian Sandstone 9 total organic carbon (TOC) 37, 318 XRD 78 Tow Valley Fault 280 trace 221-37,462 Zechstein Group 428 trackways 235 zircon fission track analysis, 176 transform faults 390-1 experimental results 177-81 transition sequence studies, Porcupine Basin 334-43 experimental results discussed 183-4 Triassic implications of results 184-7 hydrocarbon potential 9, 449, 451