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2. General Index

abandoned river courses. Vale of York 40,223-32 anhydrite 50.78.79,81,86,88.143-54 Abbey Crags, Knaresborough Gorge 46,290 Anisocardiu tenera (Antiquicyprina) loweana 39, 117, 130, 131.738-9 Acadian 46,175 ff.; 50,255-65 anisotropy of vitrinites 39,515-26 acanthite 46,135 ankerite 50,87 Acanthodiacrodium cf. simplex 42,412-3 annelida, in Yorkshire Museum 41,402 Acanthodiacrodium rotundatum 45.124 antimony, trace element in galena 44,153 Acanthodiacrodium cf. tumidum 45,124 apatite 44,438 Acanthopleuroceras sp. 42, 152-3 apatite fission-track palaeotemperatures. north-west England 50,95-9 accretionary lapilli, Cwm Clwyd Tuff 39,201,206-7,209,215-6 Apatocythere (Apatocythere) simulans 45, 243 Acheulian handaxes 41,89,94-5 Apedale Fault 50. 196," 198 acid intrusions, Ordovician and Caledonian, geochemical characteristics aplites. Whin Sill 47,251 of 39,33-57 Apollo's Coppice, Shropshire 50,193 acritarchs. Arenig 42. 405 Arachinidiuin smithii 42, 213 acritarchs, Ordovician 47,271-4 Araucarites phillipsii 45,287 acritarchs,Tremadoc 38 45-55; 45,123-7 archaeology, Lincolnshire 41.75 ff. Actinocamax plenus 40,586 Arcomva unioniformis 39.117.133, 134, 138 Acton Reynald Hall, Shropshire 50,193,198,199,200,202,204 Arcow"45,19ff.' adamellite (Threlkeld Microgranite) 40,211-22 Arcow Wood Quarry 39,169,446,448,455,459,470-1 aegirine 44,356 arctic-alpine flora. Teesdale 40.206 aeolian deposition, Devensian loess 40,31 ff. Arenicolites 41,416,436-7 aeolian deposition. Permian 40,54.55 Arenobulirnina advena 45,240 aeolian sands, Permian 45, 11-18 Arenobulimina chapmani 45,240 aeolian sedimentation, Sherwood Sandstone Group 50,68-71 Arenobulirnina macfadyeni 45, 240 aeromagnetic modelling, west Cumbria 50,103-12 arfvedsonite 44,356 aeromagnetic survey, eastern England 46,313,335—41 argentopyrite 46, 134-5 aeromagnetic survey, Norfolk 46.313 Arniocreas fulcaries 42, 150-1 Africa, North, Devonian of 40,277-8 arsenic 44,431 ff. Agassiceras scipionianum 42, 150-1 artifacts discovered at Welton-le-WoId. Lincolnshire 41,75-95,94-5 'agate-ball' structure 45, 302^4 ash-shower deposits, Ordovician, North Wales 39,199-224,224-5 age determinations 43,179-82 Ashfell Edge. Kirkby Stephen 46,24-8 algae, Carboniferous 40,324-6,331,332,616 Ashford Black Marble Mine, Derbyshire 38,163-73 algae, Devonian 40,471 Askrigg Block,40,191-4,613-30;44,480 ff.;45.20,24,91-7;50,333-55 algal lamination, Permian 40,639 ff., 646 Askrigg Block, aeromagnetic map 44,60. Fig. 1 algal layer,Tournaisian-Visean junction 39,553 Askrigg Block, geochemistry 43,17-27 algal limestone, Upper Coal Measures, North Staffordshire 38,329-42 Askrigg Block, hydrogeochemical and stream sediment survey 43, Allerston Quarry, Hackness Hills 44,258 357-76 Alston Block 40,191-4,319-34,613-30; 42, 553-80; 44,480 ff.; 45, 45.67-9. Askrigg Block, mineralization 44, 153 ff. 71-82.199-206 Astarte diiboisi 39,117.126.138-9 Alston Block, coal ranks 43,451-5 Astarte extensa 39,116-7, 127, 138-9 Alston Block, mineralization 46,133 ff. Astarte multiformis 39,117,127.138-9 Alston Block, Namurian sedimentation 48,325 ff. Astarte nummus 39,116-7,126-7,138-9 Alston Block, subsidence of 44, 191 ff. Asteroceras obtusion 42, 150-1 Alstonfield 45,225-33 Asturoceras romanum 45, 220-1 alstonite 45,199-206 Aulacoteuthis absolutiformis 39,89-91 Alton Coal 44.40 Aulacoteuthis speetonensis 39, 89-91 alveolar texture 44,172 Aulina rotiformis 41, 196 amino acid dating, Quaternary bivalves and gastropods 48.418-9,224,463 Aulina senex 41,196 ammonites, Ampthill and Kimmeridge Clays 40,592-3 Australia, Devonian of 40,275-7 ammonites, Ancaster Freestone 39.323 Autun, tetrapod environment 38,454-5 ammonites, Cave Oolite 39,324-5 aves, in Yorkshire Museum 42, 424 ammonites, Corallian 40,207-10 Avon Gorge 39,153-4,577-8,582,585,595; 40,623 ammonites, Lincolnshire Jurassic 40,56-8 ammonites, Lincolnshire Limestone 40,115-8 bacteria 43,81 ff. ammonites. Lower Kimmeridge Clay 41.26-7 Badsworth Rock 39,490,494.504-6 ammonites, Oxford Clay 40,292 Badsworth Trough 39,488,507,509 ammonites. Pleinsbachian 42, 152-3 Bainton Balk, North Humberside 48,250 ff. ammonites, Sandringham Sands 40,1-22 Bairdoppilata sp. 45,243 ammonites, Scarborough Formation 41,222-3 Bakevellia binneyi 42, 448-9 ammonites, Sinemurian 42,151-2 Bakevellia ceratophaga 42. 448-9 ammonites. Skegness Clay 40,499 ff. Bakevellia Basin, Cumbria 50. 176,177,178,179-81,182 ammonites. Upper Calcareous Grit 39,259-62 bar-finger sands (Haslingden Flags) 40,431-58,458-9 ammonites, Upper Jurassic 46,100-1 barite 50,85,87,148 ammonites, Upper Lincolnshire Limestone 39,323-5 barium, Askrigg Block 43,373 ammonites, Yorkshire Museum 41,454 ff. barium carbonate, in brick making 44,502.506 ammonites, zonation of the Upper Oxfordian of Vale of Pickering, York• barnacle. Carboniferous 41.1 shire 44,53-8 Barrasford Quarry, Northumberland 47,249-54 ammonoids, Namurian 45, 219-24 Barrow-in-Furness, northern England 50,337 amphibia, late Palaeozoic 38,438 ff. baryte-galena vein, in Basement beds (Visean) of Magnesian Limestone amphibole 47,256 40,192 Amphipora 40,473 barytocalcite 45,199-206 amygdales. Whin Sill 47,250-51 basalt, Cockermouth lavas 45. 141-5 analyses, acid intrusions of Lleyn 39,34-53 basic sills, Warwickshire Syncline, joints in 39,300 analyses, Caledonian igneous rocks, Leicestershire 39,78-81 'Bathyal lull'44,185,200 analyses, olivine-dolerites 39,61-4 beach material on Holderness coast 42, 109 ff. analyses, Quaternary sediments of Vale of York 40,353-72 Beania sp. indet. 45,283 analyses, Speeton Clay 40,181-90 (see also radiometric dates) Beaumont lead mine, Allendale 44,4 analytical methods 43,155 Becken facies 40,477 Ancyropyge romingeri 40,476 Beckermonds Scar Borehole, correlation with Raydale Borehole and andalusite 47,118-9 Wharfedale. Dinantian macropalaeontology, foraminifera, mag• Anglesey 40,491 ff. netic anomaly, mineral flats, pre-Carboniferous petrography, vitri- Anglesey, late Dinantian karstification and pedogenesis 48,297-321 nite reflectance 44,59-109 Downloaded from http://pygs.lyellcollection.org/ by guest on September 29, 2021

12 GENERAL INDEX

bedded tuffs. Cwm Clwyd Tuff 39,202-5,210.214-5 braided river bedforms 41,509 ff. bedding in Great Limestone 41,533-44 Bramcrag Quarry 40,212-5 Beedale Quarry, Hackness Hills 44,258 Bramham 46.290 belemnite. B Beds, (Lower Cretaceous) Speeton Clay 39,89-91 Brantingham 40,195 belemnites. Lower Cretaceous, North Yorkshire 49,129-34 bravoite 44.153 belemnites. Upper Cretaceous, north-east England 49.255-7; 50,115-8 breccias, solution and collapse, Triassic 48.17-20 Belgium, Dinantian of 39,590-1.593; 40,245-8 brick-earths 40,35,37 Belman Quarry 45, 179 bricks and brick clays, mineralogy 49. 95-104 Bempton Fault 50.224 Bridlington Crag, age of 39,315-8 Bempton Shatter Zone 46,301 ff. Brierley Common Syncline 39,488,491,507 ff. benthos. Devonian 40.477-8 Broeggeria salteri 43.328-9 bentonites 38.502 ff. bromine content, English Zechstein Cycle 3 chloride salts 50,239-44 bentonites. Asbian 42, 323 Brotherton 46,290 bentonites. Cretaceous 45.235-45 Brown earth on Whin Sill 40,107 bentonites. Namurian of Staffordshire 39,87-8 Brownley Hill Mine 45.204 bentonites. Speeton Clay 42, 21-7 Bryozoa, Yorkshire Museum 41,39-40 bentonites. Upper Silurian. North Yorkshire 48,277-85 bryozoan, Jurassic 42, 214 Berwick-upon-Tweed. Northumberland 49,269 ff. bryozoan, Namurian 46,23 ff. Bervvyn Hills 39,199 ff. bryozoan, Permian, north-east England 48.33-40 Bessingbv Quarrv, Bridlington, North Humberside 49,250-2 BuchiaM. 18 Bewcastle. northern England 40, 130 ff.;50, 155-8, 159,160-5,167-8 Buchiohtm.m Billefjorden Fault Zone 39,1,2.4.5.20.27,28 Buckbarrow Beck, Corney Fell 46.15-21 Billefjorden Trough 39,2.4,5,12,20, 21.23,27, 28 building stones, mineralogy 49,106-7 bindheimite 45,59-64 Bukrylithus ambiguus 42, 208-9 Bingley Bog, West Yorkshire 47.125 ff. Bunkers Hill Quarry, Knaresborough 46,290 Binsey Hill. Cumbria 46,372 ff. Buried Cliff, East Yorkshire 40,24-6,32 biofacies analysis. Gustrioeeras cumbriense Marine Band 46,111 ff. Burnmouth Bay 40,594 ff. biofacies regimes. Devonian 40,463-85 Burtreeford Monocline 39,69,70 biostratigraphy. Cretaceous, North Yorkshire 50,285-304 Busby Moor 45,267 biostratigraphy, Dinantian. Cumbria 50,41,42-3,44 Butterknowle Fault 44.481 biostratigraphy, late Triassic, early Jurassic, Carlisle Basin 50,306-10,314 Butterton, Staffordshire 50,192,195.202,204 biostratigraphy, Namurian, central and Northern England 50.333,335-54 biostratigraphy, Santonian, North Yorkshire 50.113-8 Cadeby Quarry 46,290 biostratigraphy,Toarcian. North Yorkshire 50.133, 134,135,137 cadmium mineralization, northern Pennines 46,275-8 biotite 47.257' Caenesites turned 42. 150-1 bioturbation 39,452,456-7,460 Caernarvonshire, Ordovician rocks 38,517-48 bismutoferrite 46,19 Caerwys46.141 ff. Bispathodm aculeatus aculeatus 42, 362 calcareous nannofossils in Speeton Clay 42,195 ff. Bispathodus stabdis 42.364 calcareous siltstone lithofacies, Lower Namurian 39.372 ff., 385-400, bitterns 39,328,333 ff. 407-8 bitumen 43.68-79 Calcifolium 40.324-6,331.332 bivalve ecology, Westphalian 45, 27,32-3 calcispheres 44,66 bivalves. Carboniferous 40,139 ff.. 433 ff. calcite. 46,127; 47,35-40; 48.303 ff.; 49,117 ff., 218 ff.: 50.78,86,146-8, bivalves. Coal Measures, Lancashire 39, 471-4 152-3,209-11,245-53 bivalves. Cretaceous 40.586 ff. calcite-filled fractures. Northern Pennine Orefield 49, 117-23 bivalves, Devonian 40.467-8,481 calcite concretions north-east England, Permian 50,245-53 bivalves, disarticulation of 39,475,479 calcitization. Permian, north-east England 50,152-3 bivalves. Jurassic 40,290 ff.. 422 ff. calcrete43,411 ff. bivalves. Kellaways Beds, East Yorkshire 39.116-35,138-9 calcretes, late Dinantian, Anglesey 48,302 bivalves, morphospecies 39,474-8 Caldbeck Fells 45,59-65 bivalves, orientation 39.479,480 Calder Valley. Cumbria 50,58 bivalves. Upper Coal Measures 39,492 ff. caldera-related ignimbrite sequence, Cumbria 50.25-36 bivalves, Upper Jurassic 46,100-101 Caldron Snout 40,207 bivalvia, Yorkshire Museum 41.246-60 Caledonian, deformation in Britain 46,182-5 Black Cliff Slip 39,90 Caledonian, igneous rocks of central England 39,71-86 Black Combe, Cumbria 47,267 ff. Caledonian, intrusions, Llevn, North Wales, geochemical characteristics of Black Combe Inlier 38.105-48 39,33-7 black shales, early Cretaceous. Southern North Sea Basin 47.321 ff. Caledonian, orogenic events in Lake District, sequence of 39,368-9 BlagillMine 45,202 Caledonian, structure, north-west England 46,177-9 Blow Gill 44,367 Caledonian, subvolcanic vents 46,29 ff. boles, load induced bedding in 44,37 Caledonian, suture 44,191 Boltby Moor 40.289-95 Caledonides. concealed, structure 46,363 ff. Boltby Scar, Corallian succession at 44,263 Caledonides. north-west England 46,175 ff. bone, composition and preservation 38,442-4 cambering. South Yorkshire 40,312-3 bone. Pleistocene, dating of 40,196-7 Camptonectes auritus 39,117,123,138 Borders Region.Tertiary dyke 47,199 ff. Camptoiriletes superbus 41,358-9 Boreal Realm 40.22 cannel, Clowne Seam 45, 35 Borrowbv, coal at 40,302-6 cannon-ball concretions 47.35-6 Bothel 45. 141 carbonate beds, Coal Measures 47, 195-6 Botton Head 45.267 ff. carbonate mounds, macrofaunal taphonomy and preservation 48,25-32 Bouguer gravity anomaly map. Isle of Man 39,93 ff carbonate spheroids, Permo-Triassic, Cumbria 50.209-11 Boulby Mine, North Yorkshire 50,239-43 Carbonicola, trace fossils as evidence in the evolution of 44,283-303 Bowland Fells, northern England 50,353 Cardigan Bay, Ordovician stratigraphy 49.57-65 Brabant Massif, Belgium 39,71,82 Carlisle Basin, late Triassic and early Jurassic rocks 50.305-16 Brachiopoda. Yorkshire Museum 41,41-4 Carlisle Basin, northern England 50.59 brachiopods, Carboniferous 40.492 ff.; 615 Carrington Reservoir, Derbyshire 50,342-5 brachiopods, Carboniferous gigantoproductids 42, 41-54 Carrock Fell Gabbro 46.371" ff. brachiopods, Carstone 40,593 Carrock Intrusion 40,220.222 brachiopods, Devonian 40,468-9.473 ff. Castle Hill. Scarborough, succession in 44.256 brachiopods, Dinantian, Derbyshire 48,287-95 Castletown. Isle of Man 46,203 ff. brachiopods, Dinantian 46,1 ff..61-4 cathodoluminescence. Middle Jurassic carbonate cements 49.28 ff. brachiopods, functional morphology 47.18-19.59-62 Causeway Foot 39,188 ff. brachiopods, Lower Carboniferous 47,13 ff.. 55 ff. cave sediments, Derbyshire 46,193-201 brachiopods, palaeoecology 47,62-63 Cay ton Bay 44,251.257 brachiopods. productacean 46.1 ff. Ceibwr Bay. Cardigan Bay 49,61-2 brachiopods, productoid 47,13 ff., 55 ff. Cephalopoda, in Yorkshire Museum 41.454 ff. (see also ammonites, goni- brachiopods, Visean, North Yorkshire 50,119-23 atites) Brachvphvllum mamdlare 45.287 Cercomya undulata 39,117,134,135,138-9 BradwellMoor40,76ff. chalcedony in Derbyshire Visean limestones 40.63 ff. Downloaded from http://pygs.lyellcollection.org/ by guest on September 29, 2021

GENERAL INDEX 13

chalcopyrite 44,155; 45,207 ff.; 46,17,134 coleoid cephalopods, late Jurassic 47,149 ff. Chalk, contortions in, Flamborough Head 50,271-5 Coleoptera 44,141 Chalk, deformation, Upper Cretaceous, Flamborough Head 50,213-28 Combs Quarry, northern England 50,256,257,261 Chalk 45,235-48 commensalism. from the Upper Lias of Yorkshire, an example Cheasden Brook, Bury 46,112 ff. 44,45 ff. Cheiloceras 40,450-1 computer curation system 45, 172 chert, Namurian, Staffordshire 39,87-8 Comura helios 40,476 chert, paragenesis 38,170-1 concretions, calcitization and compaction 47,35-40 chert, petrography 38,165-70 cone, from the Speeton Clay of Yorkshire 44,205 chert, polyphase mineralization 38,163ff. Coneygarth Hill 44,367 chert, Visean Limestones, Derbyshire 40,75-87,104-5 coniconchines 40,479 Cheshire, Waterstones at Daresbury 41,399-436 Coniopteris hymenophylloides 45,281 Cheshire Basin, Mercia Mudstone Group 49,171-88 Coniopteris murrayana 45,281 Cheviot B1 ock 44,480; 45.74 conodont colour alteration, Dinantian,Tweed Basin 49,335-43 Cheviot Hills, location and origin of glacial meltwater phenomena in east• conodonts 43, 169-78 ern part 38,361-80 conodonts, Devonian 40,239 ff.. 482-5 Cheviot Hills, structure and topography 40. 168,169 conodonts, Dinantian 42, 357-69,46,11-3 Chirotherium 41,436-7 Conorotalites aptiensis 45,240 Chlamvs (Radulopecten) drewtonensis 39,117,122 continents, Devonian 40,235,281-3 chloanthite 46,133 Contortion Zone, Yorkshire Wolds 39,412,432-6,438 chlorite 46, 17; 47,257 copper, Askrigg Block 43,367-8 Chondrites 39,456 copper, ore minerals from Cumbria and North Yorkshire Pennines 44,153 Church Wood Quarry, Staffordshire 50,192,195.202,204 ff. Churchway High Delf Coal 44,11.18 coral reef complex, Corallian. North Yorkshire 49, 155-68 Cirratriradites saturni 41. 398-9 coralline concretions 47,37 Cladophlebis sp. (cf. C. denticulata) 45,281 corals. Carboniferous 40,492 ff., 615 clay mineralogy 38,307-11; 45,102-3,193-4 corals, cover photo Part 1 47,155 ff. clay mineralogy, bentonites, Upper Silurian 48,280-2 corals, Devonian 40,471-2 clay mineralogy, Lower Cretaceous, Southern North Sea Basin 48,257-60 corals, Dinantian 46,13,61 ff.; 46,293-300 clay mineralogy, Middle Jurassic, North Yorkshire 49,34 corals, lower Visean faunas 39.153-6 clay mineralogy, Speeton Clay 40,181-90 corals, Visean biostratigraphy of 47,233 ff. cleavage, relationship to Shap Granite 39.366-8 Corbiceila aff. C. laevis 39,117,129,138-9 cleavage geometry, Lake District 46,179-80 Cotgrave Colliery, Nottinghamshire 48.218 cleavage geometry, north-west England coversands, in the English Midlands 44.131 ff. 46,179-82 Coxwold-Gilling trough 40,298 Clee Hill, Shropshire 48,84 ff. Craig Orllwyn 39,200,204,212-3 Cleveland, 43,341 Crassispora kosankei 41,398-9 Cleveland, hydrocarbons 41,141 Craterella perstrata 42, 209 Cleveland Basin, Middle Jurassic palynostratigraphy 47,349 ff. Craven Basin 42, 371 Cleveland Basin, northern England 50,225 Craven Basin, Dinantian stratigraphy and sedimentation 48,163-87 climatic change, late Quaternary 47,127 ff. Craven Faults 40,41-7,563-5 Clipsham quarry 39,323 Craven Reef Belt, North Yorkshire 47,55 ff. Clitheroe 45,179-82 Crenaverneulina intermedia 45.240 Clive, Staffordshire 50. 198,202,205 Cretaceous biostratigraphy, North Yorkshire 50,294-302 Close House-Lunedale fault line 40,620 Cretarhabdus conicus 42, 208-9 Cloughton Wyke 45,293; 46,87 Crich, Derbyshire 48,143-7 Clowne Seam, etc., Derbyshire 45.27-43 Crich inlier44,159 Clydagnathus unicornis 42,362-3, 365 crinoids, Chadian 45,179-82 Clydagnathus? hudsoni 43,174-6 crinoids. Devonian 40,472-3 coal exploration 42, 584 crinoids, Upper Cretaceous, North Yorkshire 50,115 coal horizons in Great Scar Limestone 38,290 cristobalite 44,506 Coal Measures 38,446-64; 40,199,202-6; 45.19,23,85-9,147-68; 48, crocodile, Toarcian 46,279 ff. 81-98,119-20 crocodiles, from the Upper Lias of the Yorkshire coast 44,404 ff. Coal Measures, baryte and galena in 39,148 Croft Quarrv 39,72-4,78 Coal Measures, British Isles38,449-53; Cronkley Fell 40,109 Coal Measures, Coal Pit 39,267,277 ff. Cronkley Scar, northern Pennines 50,277-82 Coal Measures, coal scares, Middle Coal Measures 39,516 ff. Crook Ness, North Yorkshire coast 48,63 ff. Coal Measures, Durham City 39. 161-6 Cross Fell Inlier 39,59,66,69 Coal Measures, France, Germany and Czechoslovakia 38,453-8 cross-bedding, Yellow Sands 45,11-8 Coal Measures, galena in 39,148 Cruciplacolithus saiebrosus 42, 208-9 Coal Measures, Netherton Anticline, joints in 39,308-10 Crummackdale 40,202 Coal Measures, North America 38,458-64 Crustacea, Yorkshire Museum 41,44-6 Coal Measures, Northumberland, vitrinites of 39,515-6 crustal structure, north-west England 45,19-25 Coal Measures, sulphides in ironstone nodules in 39,147 Cryptograptus tricornis schaeferi 39,184 Coal Measures, Warwickshire Syncline, joints in 39,299,301,303 Ctenopyge bisulcatus 43,316 Coal Measures, Yorkshire 39,487,513-4 Ctenopyge directa 43,316 coal petrography, Clowne Seam 45,163-72 Ctenopyge falcifera 43,316 Coal Pit Lane Quarry 39,73,78 Ctenopyge pecten 43,316 coal ranks, Alston Block 43,451-5 Cumbria, Dinantian 43,403-6.411-31 coal seam, geometry, Westphalian. North Derbyshire 50,317-31 Cumbria, fall in level of Haweswater 40,547-62 coal seam, splits 45,85-8,168 Cumbria, Seathwaite graphite 40,413-8 coal seam, volcanic disturbance 45.249-59 cuprotungstite 46,19 coal-seam geometry, Westphalian, Derbyshire 50,317-331 curation, ROCKFILE, system 45,173-8 coalfields, earliest workable coals in 44,194 Cureton's Quarry, Shropshire 50,192,193.196 coalmine planning, methods of fault projection 48,209-19 Curie temperatures 44,75 cobalt 44,157 Curig Hill Vent 40,582 cobalt, Askrigg Block 43.371-2 cycles. Carboniferous 41,261-91 cobalt minerals 46,133 ff. cycles (cyclothems), sedimentary 40,43 ff.. 491-7,613 ff. coccoliths 43,149-150 cyclic sedimentation. Dinantian 39,568 ff. coccoliths, Bridlington Crag 38,37-45 cyclic sedimentation, lower Namurian 39,394-8 coccoliths, Jurassic 42, 29-39 cyclic sedimentation, Namurian, Northern England 48,325-8 coccoliths, Lower Cretaceous 42, 195-209 cyclic sedimentation, Permian (late) 47,285 ff., 313 ff. coccoliths, Speeton Clay and Sutterby Marl 38, 381-424 cyclic sedimentation. Westphalian B 47.181 ff. Cochlichruts kochi 45,183-7 cyclicity. Asbian limestones 42, 317-41 Cockermouth lavas 44,190; 45,141-6; 46,82 cyclicity, Holkerian limestones 42, 483-503 Cocklow Quarry 39,78,79 cyclicity, Middle Lias 42, 525 ff. Coelenterata, in Yorkshire Museum 41,38-9 cyclothem over Park Mine, conditions of deposition 39,480-3 Coldside, Edale 47,207 ff. cvclothems, Dinantian platform (late) carbonates at Crich, Derbyshire 44, Coleford High Delf Coal 44,11,18 159-80 Downloaded from http://pygs.lyellcollection.org/ by guest on September 29, 2021

14 GENERAL INDEX

cyclothems. Yoredale 45,71-3 Durham, Great Limestone 42, 45 ff. ?Cymatiogalea membnma 45,124 Durham, Main Fault 39, 161 ff. Cythereis (Rehacythereis) bekurnensis 45.242 Durham, Permian 42,157-83 Cythereis (Rehacythereis) sutterbyensis 45,242 Durham, xiphosurids 46,153 ff. CythereHoidca cf. anomalu 45,242 Durham, Yellow Sands 45, 11-8 dustfallaeolian 45,307-9 dacites. petrography, geochemistry and genesis 48,393-408 dyke suites,Tertiary. Staffordshire and Shropshire 50.191-208 Danbv Coal Pits 40.302 ff. dykes. Tertiary 47,199 ff. Danes Dyke. North Yorkshire 50.113-8 Dykes End, North Yorkshire 50,215,221 Daresburv. Waterstones at 41,399-436 dykes, late Caledonian 46,29 ff. datolite47.259 Dyserth Quarry 46,57-8 Daviesiella sp. 42.45 De la Beche, Henry 44,2.4,9 Easington, Holderness 47,21 ff. Dearden Moor, Rawtenslall 46.112 ff. Easington, North Humberside 48.75 ff. debris, content of "Solway" ice 38.375-6 Easington Raised Beach. Co. Durham 48,415-20 debris, content of "Tweed" ice 38,372-5 East Irish Sea Basin 50,74,75,175.178,179 Decipia sp. 39,259.265-6 East Irish Sea Basin. post-Triassic structural evolution 50.93. 98.99-101 Deep Slack 39,59,63.70-71 East Irish Sea Basin,Triassic 48,1-22 Deep Slack Fault 39.59.60,66,67,69 East Midland Shelf. Lower Jurassic correlation 48.137-41 deformation. Upper Cretaceous Chalk, Yorkshire 50.213-28 East Pennine Coalfield 45. 163-72 deltafill fades 41.481 eastern England, basement structure 46,321 ff.. 335 ff., 355 ff. deltaic sedimentation. Haslingden Flags 40,448-51 Eastfield Quarry 39.324 deltaic sedimentation. Namurian 43,42 ff. Ebbw Vale, Sopwith's model of 44,21 ff. deltaic sedimentation, Northumberland Basin 40,129-80 Echinodermata, in Yorkshire Museum 41,241-6 deltaic sedimentation, Deltaic Series 40.289.290 echinoid. Upper Cretaceous, North Yorkshire 50, 115 deltaic sedimentation. Yoredales 40,505-36 echinoid, Upper Permian, tooth structure and phylogeny 48,47-60 density log data, north-west England 50,93-4 ecology, Carboniferous gigantoproductids 42, 43 Dent45,9"l-7 ecology. Cornbrash 41,342 Dent Fault (Line) 40.199.615 ff. ecology, Westphalian B 41.495 ff. depth of burial studies, north-west England 50.93-9 Elatides thomasii 45.287 Derbyshire, cave sediments 46,193-201 Eldon Hill Quarry, north-east England 50, 149 Derbyshire, growth faulting, Namurian of Stanton Syncline 41,305-23 electron rnicroscopv. Silurian metabentonite, northern England 50,259-61 Derbyshire, mineralization at Magpie Mine. Sheldon 41,95 ff. Else Gill Fault 39,60.66,69 Derbyshire, pre-Carboniferous basement 41,59 ff. Embsaygnathus assymetricus 43,174-6 Derbyshire, silica in Visean limestones 40,63-104 emergence surfaces in Yoredales 40,619 ff., 627 Derbyshire. Speedwell Vent at Castleton 41,173 ff. emplacement and age of of Shap Granite, mechanism of 39,366 Derbyshire, volcanic and erosive events, upper Visean 41,347-66 England, (eastern) Caledonian igneous rocks beneath 39,71-86 Derbyshire, water temperatures in limestones 40,601-12 England, (southern) Devonian of 40,243-5 desiccation cracks. Haweswater 40,556-9,562-3 Ennerdale intrusion 40,220,222 devilline 46. 169 Enthorpe Railway Cutting. North Humberside 48,241 ff. Devoke Water. Eskdale 47,111 ff. Entomozoeidae 40,479-81 Devon, Dinantian stratigraphy and structure 48,447-60 Eomarginifera sp. 42.45 diagenesis, clayrocks of Westphalian A of Durham and Northumberland epeirogeny 44,200 38.245-7 epidote, in Arenig of Beckermonds Scar Borehole 44,70 diagenesis. effects on heavy minerals 40,537-46,546-7 epifauna, Devonian 40,468 diagenesis. Lower and mid-Cretaceous 39,427-33 epiplankton, Devonian 40,481-2 diagenesis, north-east England, Permian 50,143-55 Eppleworth Quarry, North Humberside 48,247 ff. diagenesis. Permo-Triassic, Cumbria 50,77-89 Equisetum beaniie 45. 280 dickite 45.277f Equisetum columnare 45. 280 Dictyonema ffabelliforme sociale 43,328-9 erratics 40,356 ff. Dinantian, Cumbria 50,37-49 Escharisphaeridia sp. 45,113,114 Dinantian brachiopods, Derbyshire 48.287-95 Eskdale. Cumbria 46,171-172; 48,394 ff. Dinantian sedimentation (late). Derbyshire 48,23-32,189-96 Essex, Palaeocene palynomorphs and environments 49. 149-53 Dinantian trilobites, Derbyshire 47,163 ff. Eston 45,267 ff. dinoflagellate cysts, Jurassic 46.235 ff. Europe, Devonian of 40,241-60,465 ff. dinoflagellate cysts,Toarcian 45.109-22 Euryitycythere sp. 45,242 dinoflagellate cysts, Bridlington Crag 39,315-7 Eurytreta sabrinae 43,328-9 dinoflagellate zonation 44,335 ff. eustacy 39,588 ff.; 43,473; 44,198 ff. dinosaur? from the Upper Lias of the Yorkshire coast 44,418 eustacy, Carboniferous 41,280 Diplocraterion 41.436 eustacy, Jurassic 41.135 Dishforth Bog. North Yorkshire 49.1-9 evaporites 40,55,639 ff. diversity of Devonian faunas 40,459-63 evaporites, Dinantian sequence 39,570 ff. dolerite, geochemistry 45.1-10 evaporites, Permian, Yorkshire 39.327-46; 47,285 ff. dolerite, quarried as roadstone 44,341 evaporites. St Bees 38,565-92 dolerite-pegmatites, Northumberland 47,249 ff. Evachia prisca 45,115,116 dolomicrite 50,79 Eycott Hill. Cumbria 46,372 ff. dolomite, 49,29; 50,78.79.81.84,148-9.209-11,248,251 dolomite, crystals in Dinantian of Beckermonds Scar Borehole 44,63 ff. Facetodinium inffatum 45.115, ] 18 dolomite. Tournaisian 40.147 facies. Devonian 40,233-88,463 ff. dolomitization. Upper Permian limestones 49,221 facies, littoral and fluviatile in Kellaways Beds 42, 1-20 dolomitization. a study by scanning electron microscope 38,593-605 facies, Lower Border Group 40,135-49 dolomitization, Permian, north-east England 50,151 facies, vertebrate bearing rocks 38,444-6 Derbyshire Dome 45,225-33 Fahlerz44,153 Dome structure 48,265-76 faults, geometry and methods of projection for coalmine planning 48. Donegal 41,107 ff. 209-19 Dorlodotia briarti 43,333.334-5 faults, North Yorkshire 50,125-8 Dorsetensiu cf. Host mat 41,222 faults, throw and hade contours 45.147-67 Dorsetensia aff. ramani 41,222 faunas and time in the marine Devonian 40,459-90 Dorsetensiu cf. subtecta 41, 222 feldspar 47,255 Dowsing Fault 50,224 felsite, petrography 45,302-4 drainage pattern. Vale of York 40,223-32 Fenestella retiformis 42, 448-9 drape folds 44.190,201 fenestral fabric 44,63,64 Drewton cutting 39,108 ferberite 46,17 dry valley deposits 40,590 FerryhiI145,16 Duddon Valley 46,170-1 Fife, Lower Carboniferous palynomorphs 47,215 ff. 'Dumb Fault', North Derbyshire 50,317-31 Filey 39,226 ff. Durham. Citv, geologv of 39,161-6 Filey Bay, North Yorkshire 48,223-6,463-5 Durham. Coalfield 45.85-7 Flamborough Head, North Humberside 46,301 ff.;48,249 ff.; 49,235-46; Durham. Colliery 40,202-3 50,213-28,271-5 Downloaded from http://pygs.lyellcollection.org/ by guest on September 29, 2021

GENERAL INDEX 15

Flandrian (mid) landslide activity, Derbyshire 47,207 ff. Gigantoproductits auritus 42, 48,52 Fleswick cycle 38,570; 50,178,180-1 Gigantoproductus giganteus 42, 52 flint clays 38,248-9 Gigantoproductits inflatus 42. 45 flints, in Chalk 42, 285,287 Gigantoproductus moderatus 42, 52 floodplain facies 41.481 Gigantoproductits striatosulcatus 42, 45 floras, late Quaternary 47,131—4 Giggleswick, North Yorkshire 50,337 fluid inclusions, in calcite veins 49,120-1 Gilling Fault 39,412,434-9 fluorine, Askrigg Block 43,22,366 Gingin. Western Australia. Upper Cretaceous ostracod fauna from 44. fluorite, fluid inclusion study of 44,83 ff. 447 fluorite, relationship with quartz rock 40, 95-7,104-5 glacial features in the eastern Cheviot Hills, location and origin 38, fluvio-deltaic deposition in Northumberland Basin 40,129-80, 180-1 361-80 folds, small scale, in Permian 40.309-17 glacial lakes, north east England 42, 92 ff. footprints 41,419 glacial sequences. Lake Humber 40,195-7 foraminifera, Ampthill Clay 41,27 ff. glacial sequences. South Humberside 40.588 foraminifera, Cretaceous 45,235-48 glacial sequences. Vale of York 40,223-32,371 foraminifera, Dinantian 46,13 glauconite 46, 127-9 foraminifera, Dinantian of Beckermonds Scar Borehole 44,63, 103-8, Glomospira ex gr. gaultina 45,240 105-6 Glomospira gordialis 41,34-5 foraminifera, Lower Cretaceous 46,43-5 Glyptograptus austrodentatus aff. mutabilis 39,184 foraminifera, new genus from the Holkerian stage of the British Dinant• Glyptograptus dentatus 39. 184 ian 44. 146-51 Gnathodus commutatus 43,174-5 foraminifera, Speeton Clay, diversity in 42, 201 Gnathodus texanus pseudosemiglaber 43,174-5 Foredale metabentonite, Acadian cleavage age 50,257-63 Gnathodus cf. delicatus 43,174-5 Forest of Dean, Sopwith's models of 44,11-21 Gnathodus homopunctatus 43,174-5 fragmental clayrock (FCR) in coalbearing sequences in Scotland and N.E. Golden Hill, North Yorkshire 49,207-14 England 38,229-60 Gondwana glaciation 44,194,199 fraipontite 49,125-7 goniatites. Carboniferous 40,58-62 France, northern, Devonian of 40,245-8 goniatites, Devonian 40, 239 ff., 482-3,490-1 francolite 46,125-9 goniatites, Namurian 39, 372 ff.. 386,392.395-401:45,219-24 Frankea breviscula 42, 410-11 Goodmanham 39,412-9,421-2,428,434 ff. Frankea hamata 42, 410-11 Gop Hill, Prestatyn 46,59 Frankea sartbernardense 42, 412-13 Gormire lake 44,367 Fremington, Devon 48.452 ff. Goxhill. South Humberside. geophysical investigations near 44,119-29 Frenchman's Bay, north-east England 50, 146, 148,150 graded beds. Cwm ClwydTuff 39,202-4,207-9,213^1 Frizington Parks Quarry, Cumbria 50,45,46 grains, laboratory experiments on 42, 217-27 fulloppite 45,59 ff. Grammatodon concinnus 39, 117,118 Fulwell quarries, Sunderland 47,35 Grange-over-Sands, Cumbria 47,345 ff. fusulinids, Carboniferous, Spitsbergen 39.17 granite, beneath Pennines 40,191-4 granites, concealed 46,311 ff. 335 ff. galena 45,6,207,214 granites. Isle of Man 39,95-104 Galloway, subvolcanic vents 46,29 ff. granites, Pennine 46,345 ff. gamma logs 44,61 ff. granodiorites, Lleyn, North Wales 39,34 ff. garnet 40,539-41 graphite, Seathwaite, age dates 40,413-8 Garnfor complex 39,34,37,44,55,56 graptolite biostratigraphy of early land plants from Victoria. Australia 44. Gastropoda, Yorkshire Museum 41,437 ff. 377-84 gastropods, Devonian 40,472,482 graptolite localities 44.221, 222 gastropods, Sandringham Sands 40,21,22 graptolite locality, Ullock Pyke, Skiddaw 44,221 gastropods, Upper Permian, north-east England, 48,347-65 graptolites, Austwick Formation 39,170 Gaudryina dividens 45,240 graptolites, dendroid, Carboniferous 49.295-319 Gavelinella baltica 45,240 graptolites, Devonian 40,239 ff. Gavelinella cenomanica 45,240 graptolites, Ghin Ghin locality, small portion of stratigraphic section Gavelinella cf. barremiana 45,240 through Lower Plant Assemblage 44,379 Gavelinella ex gr, intermedia 45,240 graptolites, late Silurian, southern Australia 48,41-6 gehlenite 44,506 ff. graptolites, Manx Group, Isle of Man 49,259-62 geochemical analyses, phosphorites 46,124 graptolites, Ordovician 47,269-70 geochemical analyses, tungsten-bearing veins 46,16-9 graptolites, Silurian 45,131 geochemical drainage survey, Pennines 45,91-7 graptolites, Skiddaw Group faunas 39,180,189 geochemistry, acid intrusions of Lleyn, North Wales 39,33-57 graptolites. Yea area, geological map and section of 44,378, Fig. 2 geochemistry, Askrigg Block 43, 17 ff., 357 ff. graptolites, Silurian. Balbriggan Inlier 49,283-91 geochemistry, Cockermouth lavas 45,142-4 gravity anomalies, Alston and Askrigg Blocks 40, 191-2 geochemistry, concealed Caledonides 46,359-61 gravity Derbyshire 41,59 geochemistry, Cumbria 50,33-4 gravity lows 46,311 ff., 335 ff. geochemistry, fragmental clayrocks of Westphalian A of Durham and gravity modelling, west Cumbria 50,103-12 Northumberland 38,240-2 gravity profiles, interpretation 47,47 ff. geochemistry, Great Limestone, Northern Pennine Orefield 49,71 —4 gravity survey, eastern England 46,335-41 geochemistry, groundwater survey 45,91 gravity survey, Isle of Man 39,93-106 geochemistry, lower Namurian 39, 393-4 gravity survey, Norfolk 46,311-5 geochemistry, Ordovician dacites 48,400—4 Great Ayton 45,267-9 geochemistry, Permian, north-east England 50,249-51,252 Great Glen Fault 47,339,343 geochemistry, Quaternary sediments, Vale of York 40,353 ff., 368-70 Great Limestone, brachiopods 42,45 ff. geochemistry, sphalerite trace elements 45,212-4 Great Limestone cyclothem 40.505 ff.; 48,323-7 geochemistry, Tertiary dyke suites, Staffordshire and Shropshire 50, greenockite 46,275 199-203 greisens and related rocks of Cumbria 47,109 ff. geochemistry, Upper Permian limestones 49,220 ff. Gresslya peregrina 39,117, 134 geochemistry, Whin Sill 45,6-9 greywackes 39.447-8,452; 44.68,89 geographical changes in Britain during the Carboniferous Period 44. Grimston Hill 39,411 ff., 416,422,435 181-203 Grinshill Quarry, Shropshire 50,192,196. 197.198,199,200,202,204,205 geographical evolution from Laurasia to Pangea 43,221-52 Grisedale Pike, Keswick, graptolite locality 44,222 geological lecture courses in Yorkshire 40,373^112 Grosmont 45,271-2 geology in Yorkshire, history of 40.335-52 groundwater survey. Derbyshire 46,200 geophysical investigations, eastern England 46.321 ff.. 335 ff. groundwater temperature 42. 547 geophysical investigations Norfolk 46,311 ff. growth faulting, Namurian, Derbyshire 41,305-23 geophysical log correlation, regional, Permo-Triassic 49,350-1 Gryphaea bilobata 39,112,114,117,124 geophysical log signatures, Permo-Triassic, Cumbria 50,173-84 Guadalupe Delta 40,161 geothermal energy 43,347-56 gutter-marks 42, 525 ff. geothermometry, sphalerite 45,217 gypsum 39,6,7,11,12,13,15.16,20,22,23,26.29; 43,433-501; 49,184-5; Germany, Devonian of 40,248-52 50,143-54 Gervillia pygmaea 39,117,121,138-9 gypsum, poikilitic cement in Permian sandstone 44,497 Ghin Ghin, Victoria, Australia 48,43 gypsum, pseudomorphs of 44,170,172 Downloaded from http://pygs.lyellcollection.org/ by guest on September 29, 2021

16 GENERAL INDEX

Hadrian's Wall, geophysical investigations of Whin Sill in area 44,109-18 Isle of Man 45,133-6 halite 49,171 fC293-4; 50.239-43 Isle of Man, Carboniferous Limestone, synsedimentary deformation 48, halite, late Permian, Teesside 49,293-4 99-113 halite, solution and collapse, Cheshire 49,184-5 Isle of Man, Dinantian stratigraphy 46,203 ff. halite, Triassic, Cheshire Basin 49, 172 ff. Isle of Man. graptolites, Manx Group 49,259-62 halite,Triassic, East Irish Sea Basin 48,6-17 Isle of Man, gravity survey of 39,93-106 Hambleton Hills, Jurassic 39,226 ff., 244 ff.; 40.289-95 isocryst patterns, Skiddaw Group 47,330-1 Hampole Discontinuity 47.292-4 Isograptus gibberulus (Nicholson), and the isograptids of the Arenig Hanchurch, Staffordshire 50,195,201 Series of England and Wales 44,219-48 Haplocytheridea debilis 44.321, Fig. 6.26 Isopodichnus 41,436-7 Haplophragmoides chapmani 45.240 Haplophragmoides nonionioides 45,240 Jarrow, Leinster. tetrapod environment 38,452-3 hardgrounds 40,627 Joggins, Nova Scotia, tetrapod environment 38,461-4 Hartington 45,225-33 joints, densities, Great Scar Limestone 40,43-5 Haweswater, fall in level of 40,547-62 joints, Pre-Cambrian, Lower Palaeozoic and Carboniferous rocks in the Hawsker Bottoms 45,54 ff., 264-71 West Midlands of England 39,295-314 heat flow 42,573 joints, Whin Sill 40,107 ff. heat flow measurements, in Beckermonds Scar Borehole 44,75 joints, wrench type 39,306,310 heavy metals, Humber estuary 48,75-80 heavy minerals, effects of diagenesis on 40,537-46 K-Ar analysis, Silurian metabentonite, northern England 50,255-6,261-3 heavy minerals, Quaternary 43,384 K-feldspar50,84 Hebridean plateau basalts 44,361 kaolin, environment of deposition and genesis 38,242-5 Hedbergella infracretacea 45,240 kaolinite 45,192 ff., 277 ft; 48,257 ff.; 49,38; 50,86.149,153 hematite 45, 130:50,79,85 kaolinite in Speeton Clay 40,181-90 hematite oretield, West Cumberland 45.130,137-8 karst, in Cleveland 41,71-3 Hemiporhabdus gorkae 42,208-9 karstic solution 44,159 ff. High Ground Barns, North Yorkshire 49,41-3 Keekle Opencast Site, Cumbria 48.119 High Moorsley Quarry, north-east England 50,148,149 Keisley New (= West) Quarry, Cumbria 50.229-37 Highdales Quarry, Hackness Hills 44,258 kettle holes. North Yorkshire 49,1-9 Himieodella corpulenta 42.362-3,365 Kettleness 45.266 ff. Hindeodella subtitis 42.362-3.366 Kettlesing Tunnel 39,537-8,540-1 hippopotamus, Leeds 41,223 Kettlethorpe Quarry 39,108 history of geology in Yorkshire 40,335-52 Kildale, Devensian deposits at 41,185 ff. Holderness, Wolstonian Basement Till 47,21 ff. Kildale, north-east Yorkshire, a late Devensian and early Flandrian flora Holderness coast, beach material 42,109-41 and fauna from 44,385-97 Holgate Hospital Fault 39,509-10 Kilnwick Percy, North Humberside 48,239 ff. Holkeria gen. no v., a foraminifer characteristic of the Holkerian stage of Kincardine Basin 45,249-59 the British Dinantian 44,145-51 Kindle Scar Cliff. North Yorkshire 50,219-20,221,223-4 Hollins Mines, North Yorkshire 50,137-10 Kingsdale Pothole 38,289 Holmepark 45,19 ff. Kirk Opencast Site, North Derbyshire 50.317-31 Holwick Scars 40,105-9 Kirkby Malzeard 39,537-8,541 Holy Island 50,198,202-3 Kirkcudbright 46,29ff. Homagnostus obesus 43,326-7 Kirkdale Cave 43,253-80 Hooton Pagnell 46.290 Kladognathus 43,174-5 Hopgill Beck 40,550 ff. Knott Head, graptolite locality 44,221 Horton-in-Ribblesdale, North Yorkshire 48,277-85 Knoxispories dissidius 41,398-9 Houghton Quarrv, County Durham 49,217 ff. Kosmoceras (Gulielmiceras) gulielmi 39,114 Howardian Hills 39,226 ff., 531-2 Kraeuselisporites ornatus 41,398-9 Howick, Northumberland 49,135 ff. Kubler Index, Skiddaw Group 47,327 ff. Hudshouse Rigg, Borders Region 47,201-20 Humber estuary, heavy metals, Scrohicularia clay 48,75-80 lagoon phases, Dinantian 39.569 ff. Humberside. Chalk 42, 263-87 Lake District 42, 405,595 hummocky cross stratification, interpretation 49,141 Lake District, batholith 46,345 ff.: 50,11-24 Hundale Point, North Yorkshire coast 46,85 ff.; 48.375-92 Lake District Block 50,92,96,98,99.100,101 Himgarella limbata, differing developments in Upper Triassic beds of St Lake District Boundary Fault 50,105-6,111,112 Cassian Italy 44,460, Fig. 7 Lake District, Caledonian deformation 46,182-3 Hurst, Richmond 46,24-8 Lake District, Carrock Fell Gabbro 46,371 ff. hydrocarbon prospects, UK North Sea 47,318-319 Lake District, cleavage geometry 46,179-80 hydrocarbons, Cleveland 41,141 Lake District, Cockermouth lavas 46,82 hydrocarbons, methane 45,67-9 Lake District, geotectonic setting 46,175-7 hydrogeochemicai survey 43,17,357 Lake District, greisens and related rocks 47,109 ff. Hyperlioceras 40,115 Lake District, Haweswater 40,547-62 Hypedioceras rudidiscites 39,322-4 Lake District, ignimbrites 46,80-2 Lake District, mineralization 46,15 ff. Iapetus Ocean 45.47,71 ff., 141 ff.; 46.175 ff. Lake District. Ordovician dacites 48,393-408 ice limit, Devensian, Vale of York 40,631 -7 Lake District, silver-nickel-cobalt minerals 46,133 ff. ice-wedge casts 44,138, 140 Lake District, Skiddaw Group biostratigraphy 47,267 ff. ichnology, limulid trace fossil 48,221 Lake District, Skiddaw Group metamorphism 47,325 ff. ichthyosaurs, from the Upper Lias of the Yorkshire coast 44,409 ff. Lake District, Skiddaw-Borrowdale unconformity in eastern 39,179-98 ignimbrite. Stockdale Rhyolite 45,299-306 Lake District, Stockdale Rhyolite 45,299-306 ignimbrite sequence, (caldera-related) west Cumbria 50,25-36 Lake District,Threlkeld Microgranite 40,211 -22 ignimbrites 42, 595; 46.80-1 Lake District, Tremadoc 45,123-7 iflite 45,192 ff.; 48,257 ff.. 280 ff.; 50,86 Lake District-Weardale granite batholith 44,481 illite in Speeton Clay 40, 181-90 Lake Ewart 40,599 Impluviculis stellaris? 45.124 lake facies 41,472 lnchfield Moor,Todmorden 46,112 ff. Lake Humber 40,195-7,590,633 ff. infauna, Devonian 40,467-8 lamprophyres, XRF analyses 46,33 Ineleborough 40,200 landform development 43,201 ff. Ingleton 45,19,23,91-7 landslide activity, Peak District, mid-Flandrian 47,207 ff. insect fauna. Quaternary deposits, Oxbow, Aire valley 38,184-91 Langholm, southern Scotland 40.130 ff.; 50,157,158,159.161-5,168 insecta, Yorkshire Museum 41,46-7 Langtoft Quarries, North Yorkshire 48,250 ff.; 50.215.221 intergiacial deposits. Silver Pit, fauna and flora of 39,274. 288,289 lapillae, Stockdale Rhyolite 45,299 intrusions. Donegal 41,107 ff, iapilli-tuffs 44,37 involutions 44.131 ff. Late Triassic and early Jurassic rocks, Cumbria SO, 305-16 Ireland, Dinantian of 39,590,593 lateral persistence of beds in Great Limestone 41,533-44 Ireland, intrusions, Donegal 41,107 ff. Lathkill valley, Derbyshire 49,198-200 Ireland. Silurian graptolites 49,283-91 Laurasia43,221:44,184 Jreshopeburn, Weardale 46,154 lead. Askrigg Block 43,363-4 ironstone seams. Lias 45,261-75 lead, in groundwater 45,93 Downloaded from http://pygs.lyellcollection.org/ by guest on September 29, 2021

GENERAL INDEX 17

Lebach, tetrapod environment 38.455-6 Market Weighton High 45.261-75 Leicestershire, Caledonian igneous rocks of 39,71-86 Market Weighton Hinge 40,58 Lenticulina (Astacolus) crepldularis 45,240 Market Weighton Structure 39,409-44; 44, 367,370 Lentiadina (Astacolus) schloenbachi 45,240 Market Weighton swell, Kellaways Beds 42, 1-20 Lenticulina (Lenticulina) gaultina 45,240 Markham Colliery. Derbyshire 48,216-7 Lenticulina (Lenticulina) heiermanni 45,240 marl bands in Chalk, South Humberside 40.586 ff. Lenticulina (Lenticulina) ouachensis ouachensis 45,240 marlstone 40,56,57 Lenticulina (Lenticulina) pulchella 45,240 Marsden Grotto 47,40 Lenticulina (Lenticulina) secans 45,240 Marsden Hall Quarry 47,38 Lenticulina (Marginulinopsis) acuticostata 45,240 massive beds of Central Pennine Basin 38,293-4 Lenticulina (Saracenaria) spinosa 45,240 Masson Mine, Matlock 46.193 ff. Lenticulina (Vaginulinopsis) reticulosa 45,240 Matlock Bath 46,148-9 leucodiorites, Donegal 41,107 ff. Matterdale Beck, Borrowdale Volcanic Group, graptolite fauna, Skiddaw leucoxene 44,93 Group 39,183-5 Liebea squamosa 42, 448-9 Mazon Creek, Illinois, tetrapod environment 38,460-1 liesegang rings 47,42,67 megaspores, Namurian 48,143-7 lignite, compaction 45,169 Meleagrinella braamburiensis 39,117,122.138 Lima (Plagiostoma) aff. L. (P.) jumaraensis 39,117,123,138 Melmerby, Cumberland, olivine dolerite intrusions near 39,59-70 Limekiln Bay, North Yorkshire 50,219,220,224,226 Melton Bottoms. North Humberside 48,233 ff. Limestone Road, Victoria, Australia, plant and graptolite locality 44, meltwater channels, location of, in East Cheviot Hills 38.365-8 379 ff. meltwater channels at Shaftoe Crags, Northumberland 38,57-9 limestone, structure of Visean, Yorkshire 40,41-8,563-5 Menai Straits, graptolite locality 44,222 limnic coal basins, tetrapod environment 38,453 ff. Mestognathus beckmanni 43,175 limulid trace fossil, Yorkshire coast 46,85 ff. metabentonite, Silurian, northern England 50,255-63 Lincolnshire, Chalk 42,263-87 Metadimorphoceras ribblense 45,222-3 Lincolnshire, Clay-with-flints 41.231 ff. Metadimorphoceras saleswheelense 45,222-3 Lincolnshire. Jurassic of 40,56-8,115-8; 46,231 ff. metalliferous deposits, mining of 47,1-2 Lincolnshire, Limestone 39,319-25; 40,56,57.419-29 metamorphic history, north-west England 47,325 ff. Lincolnshire Limestone, ammonites of 40,115-8 metasomatism. Great Limestone, Northern Pennine Orefield 49,71-4 Lincolnshire, Lower Cretaceous of 40,4,5,499-503 methane, mineralization, Pennines 45,67-9 Lincolnshire, Pleistocene artifacts and faunal remains 41,75 ff. mica 45,192 ff. Lincolnshire, Pleistocene tills 42, 55-108 mica crystallinity, Skiddaw Group 47,327 ff. Lincolnshire, saltern mounds 46,77 Micrhystridia 44,68 Lincolnshire, subsidence and uplift 42, 505 Micrhystridium sp. 42, 412-3 Lingula credneri 42, 446-7 Micrhystridium aremoricanum 42, 412-3 Lingulella davisii 43,326-7 Micrhystridium cf. cleae 42, 412-3 Linton, Ohio, tetrapod environment 38,459-60 Micrhystridium robustum 42, 412-3 lithofacies, Triassic 41,403 ff., 421 Micrhystridium shinetonense 45,124 lithofacies, Westphalian 41,472 ff. micropalaeontology. Lower Cretaceous nannofossils 48,428-34 Little Mell Fell 45,141 ff. Mid North Sea High, late Permian palaeogeography 47,313 ff. Little Weighton Quarry, North Humberside 48,244 ff. Middleton-on-the-Wolds Quarry, North Humberside 48,248 ff. Little Whin Sill, County Durham, mineralogy 49,67-70 Midland Valley, Lower Carboniferous stratigraphy 47,215 ff. Llangollen 40,491 ff. Midland Valley of Scotland 44,185,191,194,492 Llechrydau, section in Cwm Clwyd Tuff 39,204 Midlands, Caledonian igneous rocks of 39,71-86 Lleyn, North Wales, acid intrusions of 39,33-57 Midlands Microcraton 46,355 ff. Lleyn Peninsula graptolite locality 44,222 Miller's Dale Station Quarry, Derbyshire 48,190 ff. Loch Lomond Stadial, northern Pennines glacier 50,277-85 mineral flats, in the Dinantian of the Beckermonds Scar Borehole 44, loess 40,23-39; 43,281-94 83-6 Longannet Mine 45,249-59 mineral magnetism studies. Pleistocene, North Yorkshire 49,325-34 Longhoughton Steel, Northumberland 49,11-3 mineral stratigraphy, Lower Cretaceous, Southern North Sea Basin 48, Lost Johns Hole 38,289 255-64,461-2 Lotagnostus trisectus 43,328-9 mineralization, Allendale 43,1-16 Low Rigg microgranite 39,186 ff. mineralization, Ashford Black Marble Mine, Derbyshire, polyphase, in Lower Magnesian Limestone, baryte-galena vein in 39,139-50 chert from 38,163-74 Lower Till sheet, E. Durham, stone orientation and stone count data 38, mineralization, cadmium 46,275-8 343-60 mineralization, Carboniferous of Derbyshire 41,95 ff. Lowthorpe Quarry, Ruston Parva, North Humberside 49,246-50 mineralization, Cow Green Reservoir 40,206 Lucina rotundata 39,117,128,138-9 mineralization, Cumbria 45,59-65; 46,15 ff., 133 ff. Lune valley, northern England 38,266 ff.; 50,339-42 mineralization, Derbyshire 41,95 ff. Lunedale-Butterknowle faults 44,78 mineralization, Durham Coalfield 40,204 Lunedale 40,507,514-8,528 ff. mineralization, Magnesian Limestone 39,139 ff., 144-5 Lunehead Mine 45,203 mineralization, Northern Pennine Orefeld 45,91-7,199-206; 47,1 ff.; 48, Lycopodites falcatus 45,280 335 Lycospora subtriquetra 41,398-9 mineralization, silver-nickel-cobalt, Pennines 46,133 ff. Lyell, use of Sopwith's models 44,4 mineralization. South Pennine Orefield 45,136-7,207-18 mineralization, structure, Northern Pennine Orefield 49,117-23 magnetic fabric of the Coniston Grit 38,149-54 mineralization, Whin Sill 45,6 magnetic modelling, west Cumbria 50,103-12 mineralogy 38,313 ff. magnetic rocks, in Beckermonds Scar Borehole 44,71-8 mineralogy, archaeological 49,105-15 magnetic survey,Tertiary dyke 47,200 ff.. mineralogy, artefacts 49,109-14 magnetic susceptibility 44,69,71 ff. mineralogy, brickmaking at Broomfleet, North Humberside 44,501-16 magnetic susceptibility, Whin Sill 45,3-9 mineralogy, bricks 49,95-104,107-9 magnetite, detrital 44,61,75,94 mineralogy, building stones 49,106-7 magnetite, veinlets 44,94 mineralogy, ironstones, Jurassic, North Yorkshire 50,129 magnetostratigraphy, Quaternary cave sediments 46.193-201 mineralogy, loess 40,30 Mallerstang Edge, North Yorkshire 48,153 ff. mineralogy, Lower Jurassic sediments, Scotland 45,189 ff. Mammalia, Pleistocene 43,253-80; 41,88-9 mineralogy, Permian calcite concretions, north-east England 50,245-53 Mammalia, Yorkshire Museum 42, 424 mineralogy. Quaternary sediments. Vale of York 40,353 ff., 364-8 Manchester Museum, catalogue of fossils 49,81-94 mineralogy, Speeton Clay 40,181-90 Mancodinium semitabulatum 45,115 mineralogy, sphalerite 45,207-18 Manton Quarry 40,422 ff. mineralogy, Stafford tonstein 38,497-516 Mardale40,550ff. mineralogy, Westphalian A of Durham and Northumberland, fragmental marine bands, lower Namurian 39,372 ff., 392-401 clayrocks of 38,238-40 marine bands, Namurian, Pennines 46, 111 ff. minerals, Pennines 45.199-206,207-18 marine bands, Namurian, central and northern England 50,333-55 miospore, Namurian, Staffordshire 49,321-4 marine reptiles, Upper Lias (Lower Toarcian, Lower Jurassic) of the miospore assemblages, Tournaisian beds, Ravenstonedale 38,269-75 Yorkshire coast 44,399-429 miospores, Carboniferous zones 41,386,398-9 Market Weighton anomaly 47,47 ff. Mississippi Delta 40.454 ff., 506 ff. Market Weighton Block 50,125-8 Mississippian 39,590-1 Downloaded from http://pygs.lyellcollection.org/ by guest on September 29, 2021

18 GENERAL INDEX

Mittag-Lefflerbreen area, Spitsbergen 39,3,5 north Texas, tetrapod environment 38.465-86 models, sedimentary 42, 467 ff. North Wales, Carboniferous sedimentary cycles 40.491 -7 Moel Hiraddug Quarry, Dyserth 46.58 North Wales, Dinantian 42, 317-41,397-404 Moelfre, Anglesey 48,297-321 North Yorkshire, Lower Cretaceous belemnites 49,129-34 Molk Hole, Yorkshire 50,219,220.221,223-4 North Yorkshire, Pleistocene glaciotectonics 49,332-4 molluscs. Quaternary 47, 1-9,127-9 north-east England, Dinantian sedimentation of 49,135-48,269-81 molybdenum 44,431 ff. north-east England, Permian halites of 49,293-4 Monkton Moor, Ripon 40.649; 46.290 north-east England, Upper Cretaceous stratigraphy 49,235-58 Monyash, Derbyshire 48.23-32 north-east England, Upper Permian 47,33 ff., 285 ff. Morecambe Bay, loess around 43,281-94 north-east England, Upper Permian limestones 49,215-27 Mortoniceras 40,593 north-west England, Caledonian stratigraphy 46,177-9 Moughton Whetstone Hole 39,171-2,446 north-west Province. Dinantian 39.151-8,573 ff., 596 Mount Pleasant Quarry, Shropshire 50.192,193,196 Northern Pennine orefield, hydrogeochemistry 43,17-27,357 76 Mountsorrel 39,72.75,78 Northern Pennine orefield, mineralization at Allendale 43,1-16 Mousegill Quarry, Cumbria 50,46,47 Northern Pennine orefield 45,91-7,199-206 mullite 44.506 ff. Northern Pennines, Loch Lomond Stadial glacier 50,277-85 Murton High Crags 40,598 Northern Pennines, structural history 47,2-4 muscovite 46,17; 47, 115-7 Northumberland, bitumen in Great Limestone 43,69 Musculuspulcher39,117,120,138 Northumberland, Fell Sandstone Group in 41,509-32 mylonites, Permo-Carboniferous, Shetland 47,339 ff. Northumberland, Great Limestone 43,159-67 Mvoconcha cf. trautscholdi 39,117.120.138 Northumberland, heavy minerals from 40,537-46 Mvophorella jurensis 39, 117,124, 125, 138-9 Northumberland, mineralization 43, 1-16 Mvophorella rupellensis 39,117.124,125.138-9 Northumberland, Permian 42, 157-83 Northumberland, Rothley grits 42, 223 Nafferton Grange Quarry, North Humberside 49,250-1 Northumberland, Stainmore Trough, the deep structure of 44,479-95 Namurian marine bands, central England 50,333-55 Northumberland Basin 39,177,571.575,580-1,586-8,592-3; 40,129-80, Namurian megaspores, Derbyshire 48,143-7 319-34,539,599; 45,1-10,45-9,71-83,141 ff. Nannoceratopsis ambonis 45,113.114 Northumbrian Basin, Dinantian burial history 49,339-40 Nannoceratopsis dktyambonis 45.113.114 Northumbrian Basin, Dinantian conodont colour alteration 49,335-43 Nannoceratopsis gracilis 45,113.114 Northumbrian Basin, Dinantian sedimentation 49,135-48,269-81 Nannoceratopsis triceras 45,113,114 Northumberland Basin, Namurian sedimentation 48,327 ff. Namwconus abandons 42, 208-9 Northumberland Basin, subsidence of 44,190,191 nannofossils, calcareous 42, 29-39 Northumberland Basin, Visean sedimentation 48,435-46 nannofossils. Lower Cretaceous, Southern North Sea 48,421-34 Norton Bridge. Staffordshire 50,195.201,202,205 nannofossils, Speeton Clay 42, 195-209 Notts Pot 38,290 Nant Esgeiriau 39,200-2.212 Nuneaton 39,7211,85 nautiloids, Devonian 40,475-6 Nyrany and Kounova. tetrapod environment 38,456-7 nekton, Devonian 40,482-5 Nemistium edmondsi 40,623 Oakenclough Brook 39,87-8 Nentsberry, Sopwith's model of 44,23 Oddendale 45,1 9 ff. Neocalamites mansfeldicus 42,450-1 Old Red Sandstone, continent 40,241 Ncocalainites sp. cf. N. hoerensis 45,280 Old Towns Quarry, north-east England 50,144,246 Neohibolites minimum 39,413,415,420 Olentts micrurus 43,326-7 Neoprioniodus confluens 42,362-3,366 olivine 49,67 Neoprioniodus discretus 43,174-5 olivine-dolerite intrusions, Melmerby, age-determinations of 39,59-70 Netherton Anticline 39,296-7,308-10 Onecote Sandstone 40,58,59 New Micklefield Quarry 46,290 Orbiculoidea konincki 42, 446-7 New Zealand, loess of 40,38 Orusia lenticularis 43,326-7 Newbald Wold, North Humberside 48,239 ff. Osmotherly 45.267 ff. Newbrough45,1-10,46-8 ostracod, Oxfordian and Kimmertgian, South Humberside 46,267 ff. Newcastleton, southern Scotland 50,157,158, 159,161-5,168 Ostracoda and Uniformitarianism. I. The later record: Recent, Pleisto• Newport Sands, Cardigan Bay 49.60-1 cene and Tertiary (Presidential address 1981) 44.305-26 Newsham, Northumberland, tetrapod environment 38,451-2 Ostracoda and Uniformitarianism. II. The earlier record: Cretaceous to Newsome Bridge Quarry, Wetherby 46.290 Cambrian (Presidential Address 1982) 44,443-78 Newtondale, North Yorkshire 47,351-353 ostracods. Cretaceous (mid) 45,235-48 nickel 44,157 ostracods, Devonian 40,479-81 nickel, Askrigg Block 43,369-70 ostracods, Oxfordian and Kimmeridgian 46,104-5,267 ff. nickel minerals 46.133 ff. ostracods, Quaternary (Lower) 46,45-53 Niederh'sslich, tetrapod environment 38,457-8 ostracods, Ryazanian 40,21 Nilssonia tenuinervis s.l. 45,281 ostracods, Upper Jurassic 46.102-5 Ninety Fathom Fault 44,480 ff. Otozamites simpsoni 45,283 Niobella homfrayi 43.328-9 Outscar45,19ff. Niobina davidis 45,124 Oversea! Marine Band, galena and baryte in 39,147 N1REX investigations, Sellafield, Cumbria 50,1-3,5-9 Oxbow opencast coal site, Aire valley, Yorkshire, Quaternary deposits 38, nomenclature of Middle Jurassic, Yorkshire 39,527-35 175-200 nontronite 44,347 Oxenhope Moor 46,112 ff. Nook Colliery, Lancashire 48,218 Oxfordian, of North Yorkshire Basin, 44,249 ff. Norfolk, concealed granitic intrusions 46,31 lff.,335ff. Oxynoticeras oxynotum 42, 150-1 Norfolk, Pleistocene tills 42, 45 Oxyteuthis 39,89-91 Norfolk. Sandringham Sands 40, 1-22 Oxyteuthis bnmsvicensiformi 39,90 North America, Devonian of 40.260-75,465 ff. Oxyteuthis germanicus 39,90-1 north Bowland Fells, northern England 50,339^12 Oxyteuthis jasikowi 39,90 North Central Pennine Basin 50.336.345,348,349,350,351 Oxytoma expansum 39,117,122,138-9 North Cliff, North Yorkshire 50,219-20,225 North Craven Fault 40,200 palaeobotany. Middle Jurassic 45,277 north-east England, conodont colour alteration in Dinantian of 49,335-43 palaeocurrents 39,458-62 North Humberside, Quaternary 43,377 palaeocurrents, Austwick Formation 40,201 North Humberside, Rot Halite Member in 43,341 palaeocurrents, Haslingden Flags 40,439 ff. North Pennine Orefield, mineralization 47. ff. palaeocurrents, Northumberland Basin 40,150-3,155,166,169 North Sea. 42, 586 palaeocurrents, Yoredales 40.509-36 North Sea Basin, mid-Cretaceous 45,235-48 palaeoecology, fauna over the Park Mine, Wigan 39,471-86 North Sea Basin, Southern, Lower Cretaceous 46,39 ff. palaeoecology, North Yorkshire 50,122-3 North Sea Basin, Southern. Upper Jurassic 46,97 ff. palaeoecology, productacean brachiopods 46,8-9 North Sea. early Palaeogene pyroclastic deposits of 44,355-63 palaeoecology. Quaternary molluscs 49,1-9 North Sea. geology and origin of the Silver Pit and other closed basins in palaeoecology, Scarborough Formation (Middle Jurassic) 48.375-87 39.267-93 palaeoecology, sedimentation. Upper Jurassic, South Humberside 48. North Sea. late Permian palaeogeography 47,313 ff. 197-208 North Staffordshire Basin 40,58-62 palaeoecology. Upper Permian echinoid 48,48-50 North Staffordshire lower Namurian, sedimentation of 39,371-408 palaeoecology, Upper Permian gastropods 48,349-51 Downloaded from http://pygs.lyellcollection.org/ by guest on September 29, 2021

GENERAL INDEX 19

palaeoecology, xiphosurids 46,93—1,162-5 IParvocysta cf. cracens 45, 117, 118 palaeogeography, Cwm Clwyd Tuff 39,217-8 Parvocysta nasuta 45,117, 118 palaeogeography, Devonian world 40,235.281-3 Patrognathus capricornis 43,174-5 palaeogeography, Dinantian 39,593 Peak District 44.159 palaeogeography, north-east England, late Permian 47,285 ff., 313 ff. Peak Fault 39,548 palaeogeography, Permian 43,245 Peak Forest 45,225-33 palaeogeography, Permo-Triassic, Cumbria 50,182-4 peat, compaction 45,163-72 palaeogeography, Sherwood Sandstone Group 50,73-4 pectolite 47,250 palaeogeography,Tournaisian, Northumberland Basin 40, 166-71 pedogenesis, late Dinantian, Anglesey 48,297-321 palaeokarst, Dinantian, Cumbria 47,345 ff. pedogenesis, Middle Jurassic, North Yorkshire 48.61-74 palaeokarst features 42, 323 ff. Peel 39.95-6,100 ff. palaeokarstic surfaces 40,495,627 pegmatites. Whin Sill, Northumberland 47,249 ff. palaeokarsts. late Dinantian, Anglesey 48.300-2 Pelecypodichnus 43.47-8 palaeokarsts, late Dinantian, Derbyshire 48, 192 ff. pelmatozoan (crinoid) columnals, Hirnantian. Cumbria 50,229-38 palaeomagnetism 42, 371 ff. Peltocare olenoides 45,124 palaeomagnetism, Devonian 40,235-6,281 Peltura scarabeoides scarabeoides 43.328-9 palaeontology, Carboniferous bryozoan 46.23 ff. Peltura s. s. westergardi 43,328-9 palaeontology, Carboniferous dendroid graptolites 49,295-319 Pen Bwlch 39,200-2 palaeontology, Dinantian productacean brachiopods 46,1 ff.: 46.64-73, Pendle Hill, Lancashire 49.297-9; 50,335-6 293 ff. Pennine Basin, bar-finger sands in 40.431-58 palaeontology, Dinantian rugose corals 47, 155 ff., 233 ff. Pennine Basin, (central) 38.293-4; 40,144 palaeontology, Dinantian trilobites 47, 163 ff. Pennine Till 44, 133 palaeontology, echinoid, Upper Permian 48,47-60 Pennine uplift 44.197,201 palaeontology, fragmental clayrocks and associated rocks of Westphalian Pennines, 40, 191-4,505 ff., 615 ff. A of Durham and Northumberland 38,236-8 Pennines, Cumbria and North Yorkshire, copper ore-minerals from 44, palaeontology, graptolites, late Silurian 48,41-6 153-8 palaeontology, graptolites. Manx Group 49,259-62 Pennines, water temperatures in limestones of 40,601-12 palaeontology, Hirnantian pelmatozoan columnals, Cumbria 50,231-7 Penshaw Hill Quarry, north-east England 50, 146 palaeontology, Jurassic ammonites, North Yorkshire 49,210 ff. periglacial features, Vale of York 40,312-6,631 ff. palaeontology, Jurassic coleoid cephalopod 47,149 ff. periglacial involutions 44. 131 ff. palaeontology, Jurassic crocodile 46,297 ff. Peripetoceras freieslebeni 42, 448-9 palaeontology, Jurassic dinoflagellates 46,235 ff. Perissocyclus no'elae 42, 208-9 palaeontology, Jurassic xiphosurid trace fossil 46,87 ff. permafrost 40,313,316 palaeontology. Lower Carboniferous productoid brachiopods 47.13 ff., permafrost table 44,138,139 55 ff. Permo-Triassic carbonate spheroids. Cumbria 50,209-11 palaeontology. Lower Cretaceous belemnites 49,129-34 Permo-Triassic diagenesis and petrology, Cumbria 50,77-89 palaeontology, Lower Jurassic pliosaur 49,49-55 Permo-Triassic geophysical log correlation, Cumbria 49,345-54 palaeontology, Namurian xiphosurid 46,159-63 Permo-Triassic geophysical log signatures, Cumbria 50,173-84 palaeontology, Permian reptile. County Durham 49,229-34 Pethburn opencast site 40,203-4 palaeontology, Silurian graptolites, Republic of Ireland 49,287 ff. petrography, baryte-galena vein, Magnesian Limestone 39,142-4,150-1 palaeontology, Upper Jurassic ostracods 46.271-4 petrography, Clowne Seam 45,34-8 palaeontology. Upper Permian bryozoans 48.33^10 petrography, Cockermouth lavas 45,142 palaeontology, Upper Permian gastropods 48,347-65 petrography, concealed Caledonides 46,363 palaeontology, Visean brachiopod, North Yorkshire 50,119-23 petrography, concretions 47,35-40 palaeosols (terra-rossa), late Dinantian, Anglesey 48,302 petrography, Cwm Clwyd Tuff 39,206-7 palaeotemperature measurements, post-Triassic, north-west England 50, petrography, late Caledonian vents and dykes 46,31-4 95-8 petrography, late Dinantian calcretes 48,303-15 palaeowinds, Yoredale 40,535,536 petrography, Mansfield Marine Band cyclothem,Tinsley Park, Sheffield Palaeozoic tetrapods, data on environment and preservation 38.437-95 38,299-328 palagonitised glass 44,356 petrography. Middle Jurassic. North Yorkshire 49.23^10 Paltechioceras aplanatum 42, 150-1 petrography, mylonites 47,340 palynological analysis, Bridlington Crag 39.315-8 petrography, Ordovician dacites 48,399—100 palynology, Dinantian 41,386; 42, 351 petrography, Permo-Triassic, Cumbria 50,77-89 palynology, Dinantian. Solway Basin 50,157-71 petrography, phosphorites 46,126-8 palynology, Middle Jurassic, North Yorkshire 48,375-92 petrography, Stockdale Rhyolite 45.302-4 palynology, Namurian 41.381 98; 49,321—4 petrography, tills 42,57 ff. palynology, Namurian megaspores 48,143-7 petrography, tufa 46,145 ff. palynology, Namurian, Northumberland 49,11-22 petrography, tungsten-bearing veins 46,16-9 palynology, Namurian, Shropshire 49,189-96 petrography, Upper Permian limestones, north-east England 49,215-27 palynology, Palaeocene, Essex 49,149-53 petrography, Upper Permian sandstone 48,409-14 palynology, Upper Carboniferous, Titterstone Clee Coalfield 48.83-98 petroleum exploration, North Sea 42, 586 palynology, Westphalian 41.386,491 ff. petrology, Middle Jurassic, North Yorkshire 49,23-40 palynomorph zonation, early Cretaceous. North Sea 47,321 ff. Phallocysta eumekes 45,118,119 palynomorphs, Jurassic 46,104-6,235 ff. Pholadomya canaliculata 39, 116, 117, 132,133 palynomorphs, Lower Carboniferous 47,215 ff. phosphate nodules, Lias 45,103 palynomorphs, Rhaetian 47,31 phosphorite deposits, Yorkshire 46,123 ff. palynomorphs, Toarcian to Aalenian 45,109-22 Phvcodes39,456-7 palynomorphs, Tremadoc 45,123-7 Pictonia 40,592 palynomorphs, Triassic 47.143-6 Pin Dale 40,76 ff., 104-5 palynomorphs, Upper Jurassic 46,104-6 Pinna lanceolata 39.116,117,122,138-9 palynomorphs, Westphalian 45,38-9 pisces, in Yorkshire Museum 42, 415 palynostratigraphy, Titterstone Clee Coalfield 48,81-98 pitchblende 44,440 Pangaea 43,221; 44,196,199 plagioclase 49,69 Parabolina heres 43,328-9 plankton, Devonian 40,478-81 Parabolina spinulosa 43, 326-7 plant ecology, Westphalian 45,42 Parabolinoides bucephalus 43,326-7 plants, Jurassic. (Middle) Yorkshire 45,277-92 Paracraspedites 40,6 plants, Permian 42.451 Paracypris acuta 45,242 plants, Westphalian B 41,461-508 Paracytheridea minutissima 45,242 plants, Yorkshire Museum 42, 428 paralic swamps 38,243 ff.; 44.194 plateau basalt 44.191 Parallelodon (Beushausenia) keyserlingii 39,117,118,138 Platella sp. 45,243 Paranotacythere (Paranotacythere) inversa tuberculata 45,242 platform carbonates, at Crich, Derbyshire 44,159 ff. Paranotacythere (Paranotacythere) luettigi tuberculata 45,242 Platypleuroceras caprarium 42, 152-3 Pare Sycharth 39,200-1,212,217-8 plesiosaur, Lower Jurassic, North Yorkshire 49,49-55 Park Mine (Westphalian B), palaeoecology of fauna over 39,471-86 plesiosaurs, from Upper Lias of the Yorkshire coast 44,413 ff. Parrog, Cardigan Bay 49,58 ff. Pleuroceras 40, 57 particle size distribution 43,383 Plungar Oilfield 44,34 Parvocysta cf. barbata 45,117,118 Point of Ayre 39,95,102,104 Downloaded from http://pygs.lyellcollection.org/ by guest on September 29, 2021

20 GENERAL INDEX

Poland 40. 21 Red Rock-Wem Fault 50,197-8 Poland, Devonian of 40.252-5 reef limestones. Clitheroc 38,607-38 pollen. Quaternary 49,1-9 reef subfacies. Cracoean reefs 47,57-8 pollen. Quaternary, North Yorkshire 48,224-5 reef-builders, Devonian 40,469-71 pollen assemblage, Bridlington Crag 39,315-8 reefs, Corallian 40,208ff. Polygnathus bischoffi 43,174-5 reefs, Dinantian 39.585,593-5 Polymorphites polymorphus 42. 152-3 Rees' Quarry, Cardigan 49.64 Polvplacophora, in Yorkshire Museum 41,45 reflectivity, of vitrinites 39.515-26 Pontefract 39.488 ff. regressions, Devonian 40.233-88,460.485-6 Ponticeras pcrlatum 40,490-1 regressive phases in Dinantian 39,568 ff. Pontocyprella rara 45,242 Renalcis, from the Lower Carboniferous of Cumbria 44,327-31.330-1 Poppit Sands, Cardigan Bay 49,63-4 repository zone investigations, west Cumbria 50,5-9,27-31 Porifera, in Yorkshire Museum 41,368 reptile, Permian, County Durham 49,229-34 Port Mulgrave 46,279-82 Reptilia, Yorkshire Museum 42, 423 potash 50,241-2,243 Reptilia, Late Palaeozoic 38.438 ff. potash deposits, New Mexico 39.339-40 Rhaetian, North Yorkshire 47.29 ff. potash deposits, Yorkshire, origin of 39,327-47 Rhenish facies 40,463 ff. potassium-argon age determinations 39,59-70; 40,193,413-8 rhizocretions, in Dinantian palaeokarst 47.345 ff. potential field studies, west Cumbria 50.103-12 rhizoliths, late Dinantian, Anglesey 48,303-5 Poyllvaaish. Isle of Man 48,99 ff. Rhynchonelloidella socialis 39.112-4 Prestatyn Quarries 46,60 rhyolites, North Wales 39,33 ff. Prodeshayesites bodei 40,500 rhythms in Great Scar Limestone 40,43,44 productoid. Lower Carboniferous. Linoprotonia, a new genus 38,549-64 Ribblesdale, northern England 50,256-63 Profusulinella prisca 39,17 Richterina striatula 40.490-1 Protocardia cognata 39, 117, 129.138 Riding Mine 39,471 ff. Protocardia crawfordii 39.117.128.138 Ringsteadia 40,592 Protocythere intermedia 45,242 River Ribble, Saleswheel, Lancashire 50,340.342.351 Protocythere mertensi langtonensis 45,242 River Yarrow, Chorlev 46, 112 ff. protoquartzitic sandstone lithofacies, lower Namurian 39.372 ff., 378-85 Roach 40,500 393-401 Rockall-Greenland rift 44,361,362 Pseudoctens I arte i 45,281 ROCKFILE curation system 45,172 Pseudostaffelia antiqua 39,17 Roddans Port, Co. Down, Northern Ireland, late Devensian and early Pseudostaffella sphaeroidea 39, 17 Flandrian molluscan and ostracod fauna from 44,394 pterosaur, from Upper Lias of the Yorkshire coast 44,418 ff. Roker, Sunderland 47,35-9 Ptychagnostus punctuosus 43,326-7 Rookhope 45.67 ff. pyragarite 46.135 Rookhope Seismoloeical Array Station 44,485 pyrite 40,543; 45,6.35,207 ff.; 46. 127.136; 49.35 Rosedale, North Yorkshire 50, "129-41 pyromorphite 44. 157 Rotaspora knoxi 41,398-9 pyroxene 47.255-6:49,68 Rotliegendes sandstone 44,499 pyrrhotite 47.258-9 Rough Furze Quarry, north-east England 50,147,148,149 Roundstonia globulifera 44,313, Fig. 2 Quarrington 45,16 Rowten Pot 38.288.291 Quarry Moor. Permian sabkha sequence 40,639-53 Royston Colliery, South Yorkshire 48,214-6 Quarry Moor, Ripon 46,290 rubidium-strontium age dating 40,191-3,215-7 quartz 45.36-8,192-8,60-2; 48,409-14; 50,84 mgosa. Aulina from Namurian 41,189-96 quartz, abrasion of grains 42, 217-27 rugose corals (Dinantian) of West Yorkshire 47. 155 ff. quartz, Derbyshire Visean limestones 40.63 ff. Running Waters Quarry, north-east England 50,148 quartz, overgrowths in sandstones 42. 289-95 rtissellite 46,18 quartz, overgrowths, in Upper Permian sandstone 48,409-14 Russia, Cis-Uralia tetrapod environment 38.468-70 quartz-microdiorite 44,70,93,96 Russian Platform, Devonian of 40,255-60 quarzlagen, Clowne Seam 45,36-8 rutile40,542 Quaternary, cave sediments, magnetostratigraphy 46,193-201 Quaternary, faunas, floras and environments of West Yorkshire 47,125 ff. sabkha, Permian sequence, Yorkshire 40,639-52 Quaternary, pollen and molluscs. North Yorkshire 49,1-9 sabkha sequence, Upper Permian 40,639-52 Quaternary, stratigraphy, North Yorkshire 48.223-6.463-5 sabkhas 39,23,24,26.28.328,333 Quaternary, stratigraphy and sedimentation. County Durham 48,415-20 Saintoff Quarry 44,252.259 Quaternary. Vale of York 40,353-72,631-7 salt dissolution 48,17-20 Queensgate Quarry, Beverley, North Humberside 49,246-7 salt mining 46,77-9 salt-flats 39,328,331 ff. radiometric dates. 38,282-4:40,6,12,191-3, 195-7,215-7,261-2,413-8, saltern mounds. Lincolnshire 46,77 633:41,233 ff. Salthill Quarry 45,179-82 radiometric dating, Caledonian granites 46,346-8 Saltom Bay, Cumbria 50,64 radiometric dating, Caledonides 46,358-9 Saltom cycle 50,178-81 radiometric dating. Great Limestone (metasomatism of) 49,71-4 sand wave complex, early Namurian, Askrigg Block 48,149-62 radiometric dating, Ordovician dacites 48,404-5 sands and gravels, origin of, in meltwatcr deposits of E. Cheviot Hills 38. radiometric dating, Permo-Carboniferous mylonites 47.341 ff. 371-6 radiometric dating, Shap Granite 42, 297 sandstone petrography. Upper Permian, north-east England 48,409-14 radiometric dating,Tertiary dyke 47,204-5 Sandwith cycle 50, 178. 180.181 radiometric dating, Yorkshire 40. 195-7 sandy braidplain sedimentation, Sherwood Sandstone Group 50,65-8,70, Raisby Quarry, County Durham 49,217 ff.; 50,144,147,246-50 71,72 raised beach deposits. Quaternary. Co. Durham 48,415-20 saponite 44,347 Raistrickia fulva 41,398-9 Saughtree Fell, Borders Region 47,202-3 Raistrickia nigra 41,398-9 Saxocythere cf. tenuissima 45,242 ramelsbergite 46.133 Saxocythere tricosiaia subglabra 45,242 ranks, of coal in the Harton borehole 39.175-7 Saxocythere tricostata tricostata 45,242 Rasenia 40,592; 41.26-7 Saxonian folding 40,19 Ravenglass Sub-basin 50,103,105.106,107,108,109,111 Scagglethorpe 39,411 ff., 420.423-4.434-5 Ravens' Gill. Corallian succession in 44.261 Scaphopoda.in Yorkshire Museum 41.453 Ravenscar 45,99-108,109-22 schalenblende 46,276 Ravenstonedale 43,331 scheelite 46.17 Raydale 40.618 Schizodus obscurus 40,55 Raydale Beck 40,191, 192 Schuleridea derooi 45,242 Raypath opencast site 40,204-5 Schuleridea hammi 45,242 red basal Permian sands, a new discovery in National Coal Board bore• Schuleridea. rhomboidalis 45,242 holes off Sunderland 44,497-500 Schwarzacher's cycles 44,65.87 red beds. North Texas, Permian 38,465-8; Schwellen facies 40,477 red beds, Permian 38,464 ff. Scotland, age determinations 43,179 red beds, Permian. Cis-Uralian Russia 38,468-70 Scotland, age determinations, Brigantian 43,480 red beds, Permian, Karroo 38,470-81 Scotland, Caledonian deformation 46,184-5 Downloaded from http://pygs.lyellcollection.org/ by guest on September 29, 2021

GENERAL INDEX 21

Scotland, Carboniferous tetrapods 38,449-51 shorelines, Haweswater 40,550-5,562-3.48,50 Scotland, Dinantian barnacle 41,5 Shoulder O'Craig, Kirkcudbright Bay 46,33-4 Scotland, late Caledonian subvolcanics 46,15 ff. Shropshire, Coal Measures palynostratigraphy 48,81-98 Scotland, Lower Jurassic 45,189-97 Shropshire, Namurian palynology 49,189-96 Scotland, Namurian volcanoes 45,249-59 Shropshire. Tertiary dyke suites 50,191,192-3,195 Scotland, nannofossils from Skye 42, 29-39 Shumardia sp. 43,328-9 Scoyenia 41,416,436-7 Siberia 40,10 Scriniocassis weberi 45,120 siderite. 45.103; 48.65 ff.; 49,35 Scutellum (Thysanopeltis) speciosum 40,476 siderite, genesis of, in Mansfield Marine Band 38.318-20 sea level changes 43.227,473 silica in Derbyshire Visean Limestones 40, 63-104 Seaham 47.37-9 silicon. Askrigg Block 43,21 Seahouses, Northumberland 49, 135 ff. sills, Westphalian of north-east Leicestershire 44,40,41 Scarborough Castle 46,172-3 silty drift, eastern Yorkshire and Lincolnshire 40,23-39 Seascale, Cumbria 50,58 silver. Askrigg field 44,155 seat clays 38.248-9 silver minerals 46,133 ff. seatearths, geochemistry 47,187-189 silver-nickel-cobalt minerals, Cumbria 46,133 ff. Seathwaite graphite, age of 40,413-8 Silver Pit, North Sea, geology and origin of 39,267-93 Seaton Point. Northumberland 49. 11-3 Skelton 45,267 sedimentary cycles in Carboniferous 40.43 ff., 491-7,613 ff. Skiddaw-Borrowdale unconformity in eastern Lakeland 39,179-98 sedimentary structures. Carboniferous 40,58-62 Skipton Hill 44.367,368,372 sedimentary structures, cross-bedding 45,11-8 skutterudite 46. 136 sedimentary structures, Permian 40,53-5 slab-pull subduction 44,189.201,488 sedimentary structures, Silurian 40,201-2 slate belts (of Britain), age of deformation 46,177 ff. sedimentation, Carboniferous 40,491-7 slump phenomena. Lower Magnesian Limestone 38,4-26 sedimentation, Carboniferous of Berwick area 40,594 ff. Smallcleugh Mine, Nenthead 46,154 sedimentation, Cwm Clwyd Tuff 39.207-12 smectite 44,344 ff; 48,257 ff. sedimentation. Dinantian,Tweed Basin 49,269-81 smithsonite 45,207 ff. sedimentation, Haslingden Flags 40.431-59 Sole Pit 39,267,276-7,279-80,284-5 sedimentation, Haweswater, sedimentological consequences of a fall in sole structures. Wenlock 39,448,454.458,470-1 level of 40,547-63 Solenoporacean algae 44,162 sedimentation, Lower and Mid-Cretaceous 39,433-9 Solway Basin 45.71 ff.; 50,98,157-71 sedimentation, Lower Namurian, North Staffordshire 39,371-408 Solway ice, debris content of 38,375-6 sedimentation, Namurian, North Yorkshire 48,149-62 sonic log data, north-west England 50,93-4 sedimentation, Namurian, northern England 48,323-34 Sonninia 40,115 sedimentation, shallow marine. Askrigg Block 48,149-62 Sopwith, Thomas, large geological models 44,1-28 sedimentation, St Bees evaporites 38,573-87 South Cave 39,108,411 ff., 417.421 sedimentation, Wenlock-Ludlow, north-west Yorkshire 39,445-70 South Elmsall Quarry 46.290 sedimentation, Yoredale cycles. Northumbrian Basin 49. 135-48 South Ferriby Quarry 46,267 ff. sedimentation, Yoredale delta lobe, cycles in 40,505-37 South Ferriby. S. Humberside 48,197-208 sedimentation, Yorkshire Corallian 39,260-1 South Kirkby39,488 ff. sedimentology, Carboniferous, Fell Sandstone 41,509 ff. South Landing, North Yorkshire 50,113-8,215,221 sedimentology. Chalk 46,301 ff. South Newbald Quarry 39, 108 sedimentology, Corallian reef complex, North Yorkshire 49.155-68 South-west Province, Carboniferous 40,623-4 sedimentology, Cretaceous, Hunstanton Formation 50.293-4 South-west Province. Dinantian 39,151-9,571 ff. sedimentology, Dinantian sandstones, north-east England 49,269-81 Southern North Sea Basin, Lower Cretaceous 46,39 ff. sedimentology, Dinantian, Northumbrian Basin 49, 135-48 Southern North Sea Basin. Upper Jurassic 46.97 ff. sedimentology, Flamborough Head region 46,301 ff. Southern Uplands, Caledonian deformation 47,177-8 sedimentology, late Dinantian shallow marine carbonates 48, 189-96 Speedwell vent, Derbyshire 41,173-84 sedimentology. Middle Jurassic shallow marine shelf deposits 48.375-87 Speeton, North Yorkshire 46,41 ff., 123-4; 49,327 ff, 129 ff.; 50.285-304 sedimentology, Middle Jurassic, North Yorkshire 49.23-40.43-6 Speeton Clay 40, 181-90 sedimentology, Namurian shallow marine sand wave complex 48, 149-62 Speetonia colligata 42, 208-9 sedimentology, Northumberland Trough 45,71 ff. sphalerite 45,207-18; 46,275-8 sedimentology, Ordovician, Cardigan Bay 49.57-65 sphene 47,257-8 sedimentology, Permian 45,11-7 Sphenobaiera digitata 42, 450-1 sedimentology, Permian, north-east England 50,143-5,245-6 spheruliths, sideritic, electron microprobe analyses 48,66-7 sedimentology, Quaternary tufas, Derbyshire 49,197-206 spinel 44,506 sedimentology, Scarborough Formation 46,86-7 Spitsbergen, Ebbadalen Formation in 39, 1-32 sedimentology, sub-Clowne Seam cycle 47,181 ff. Spurn Head 42, 138 sedimentology, Toarcian 45,99-108 St Bees Head, Cumbria 50.178,179 sedimentology, Triassic 41,403-13 stable isotope analyses, Middle Jurassic. North Yorkshire 48,67-70 sedimentology, Triassic, Sherwood Sandstone Group 50,61-76 Stainmore 40,507.519-26,528 ff. sedimentology, tufa 46,142-5 Stainmore and Northumberland troughs, deep structure and origin of 44, sedimentology, Upper Permian limestones 49,217 ff. 479-95 sedimentology. Visean fluvio-deltaic, lacustrine and tidal deposits 48, Stainmore Trough 40,613-30 435^6 Stainmore Trough, subsidence of 44, 191 sedimentology, Westphalian 45,27^13 Staithes, North Yorkshire 45,264-66; 50,239-43 sedimentology, Westphalian B 41,471-81 Standedge cutting, Marsden 44,286 seismic reflection survey, Flamborough Head region 46,301 ff. Stanton Syncline, Derbyshire 41,305 ff. seismic refraction, Derbyshire Dome 48,265-76 Staple Nook, North Yorkshire 50,271-5 seismic refraction, East Midlands 46,325 ff. Steam Coal Series 44,21 seismic refraction, Norfolk 46,311 ff. Stebden Hill 47,62 seismic refraction, north-west England 45,19-25 Steel Rigg 45,46 Seismic refraction profiles 44,111 Stediferidium fimbrium 45,124 seismology. Lake District Batholith 50,11-24 Stennerskeugh Clouds, Kirkby Stephen 46.289 Selby Coalfield, Vale of York 50,126,128 Stenozonotrdetes triangulus 41,398-9 Sellafield, Cumbria 50,1-3,5-9,37^19,61-76,77-89,91-101,103-12,209-11 stephanite 46,135 Selwicks Bay, North Yorkshire 50,213-28,275 sternbergite 46,134 Semiplanus latissimus 42, 45,48,52 stibiconite 45,59 ff. semseyite 45.59 ff. stibioluzonite 44,153 serpierite 46,169 stibnite 45,59-64 Settle 40.41-7 Stockdale Monocline 40,620 ff.; 44,78,481 Settlingstones 45,45-8,202,204 stone orientation and stone count data from the Lower Till sheet, E. Shaftoe Crags. Northumberland, meltwater channels 38.57-9 Durham 38,343-60 shale units in Great Scar Limestone of S. Askrigg Block 38,285-92 storm deposits, Dinantian, Northumbrian Basin 49,135-48 Shap Granite, age of 39,366 ff. stratigraphy, Permian, West Cumberland 38,567-73 Shap Wells 45,131-2 stratigraphy, vertebrate-bearing rocks 38,444-6 Sherburn Hill 45,13-6 stratigraphy and nannofossils. Lower Cretaceous, Southern North Sea 48, Shetland, Permo-Carboniferous mylonites 47,339 ff. ^ 421-34 Downloaded from http://pygs.lyellcollection.org/ by guest on September 29, 2021

22 GENERAL INDEX

stratigraphy and sedimentation. Dinantian, north-west England 48. trace fossils, Devonian 40.467 163-87 trace fossils, Jurassic 40,422 ff. stratigraphy and sedimentation. Middle Jurassic, North Yorkshire 48. trace fossils, Kcllaways Beds 42, 4-6 375-92 trace fossils, limulid. Middle Jurassic. North Yorkshire 48.221 stratigraphy and structure in the Black Combe Inlier. English Lake Dis• trace fossils, Middle Jurassic. North Yorkshire 49.41-7 trict 38, 105-48 trace fossils. Triassic 41,413-20,436-7 stromatoporoids, Devonian 40.470-1 trace fossils, Westphalian 45.183-7 structural data plotter 45,129 trace fossils, xiphosurid. Yorkshire Jurassic 46,85 ff. structural evolution, north-west England. post-Triassic 50,91-102 trails 41,419 structural relationships of Shap Granite 39,365-9 transgressions, Devonian 40,233-88.460,485-6 structure, north-west England 46. 175 ff. transgressions and regressions in the Carboniferous 41.261-91 structure of Visean limestones between the Craven Faults 40.41-7.563-5 transgressive phases in Dinantian 39,568 ff. Stublick-90 Fathom faults 44,190.480 transpression. Caledonian, north-west England 46.175 ff. Styliolina 40,479.490-1 Treak Cliff, Derbyshire 48,287-95 stylolites 44,172 tree root structures, in Dinantian palaeokarst 47,345 ff. sub-Clowne Seam cycle. Derbyshire 47.181 ff. trend surface analysis of erratics in Lower Till sheet. E. Durham 38, sub-Devonian geology 40,236-9 353-7 SuhcraspediU's 40. 9 Triassic. lithostratigraphy, Cumbria 50,51 -60 subglacial hypothesis of origin of North Sea closed basins 39.285-6 Triassic. north-west England 48, 1-22 submarine slumping and sliding in Lower Magnesian Limestone of Triassic, sedimentation. Cumbria 50.61-76 Northumberland and Durham 38. 1-36 Triassic, Southern North Sea Basin 47,139 ff. subsidence in East Yorkshire and Lincolnshire 42, 505 Triassic, to early Jurassic stratigraphy. North Yorkshire 48,367-74 Sunderland 40,203 trilobites, Devonian 40,475 ff. supergene mineralization. Northern Pennine Orefield 46,169.275-8 trilobites, Dinantian. Peak District 47, 163 ff. Swaledale orefield. copper minerals from 44.153 ff. trilobites, Tremadoc 45, 123-7 Swch Gorge 39.200-2.212 Trimerocephalits mastophthalmus 40.490 swilleys 47, 186-7 Tripartites vetastus 41. 398-9 Swind'ale Beck 40, 109. 113 Triquiirites sp. 41, 398-9 Swynnerton. Staffordshire 50. 195,196-7.201,202,205 tropical areas, Devonian 40.233-88 synsedimentary deformation. Carboniferous Limestone, Isle of Man 48, Tropidoceras ccdliplocoides 42, 152-3 99-113 tufa, associated palaeoenvironmcnts 46,149-51 tufa.Flandrian 46,141 ff. talc 47.257 tufa. Quaternary, Derbyshire 49, 197-206 Tarn Moor Tunnel 39,181 ff., 188 tufa, sedimentologv 46,142-45 Tarn Rigg. northern Pennines 50.277-80.281-2 tufa, Wales 46.141 ff. Tarras Water, southern Scotland 50,159. 160-8 tuff, Cwm Clwyd, petrography of 39.206-7 Tears Point. Fall Bay 46. 11-4 tuff cone 44,344 tectonic breccias 44,70 tungsten minerals 46,1 5 ff. tectonics, 'Dumb Fault' North Derbyshire 50,327-8 tunnel vallevs 39.285-6 tectonics, Cockermouth lavas 45. 141-5 turbidites 40, 201-2; 43,41 ff. tectonics. Lower and mid-Cretaceous 39,433-6 turbidites, lower Namurian 39, 382-5.389-90,395 ff. tectonics, north-east England 46.301 ff. turbidites, Ordovician, Cardigan Bay 49.57-65 tectonics, north-west England 46. 175 ff. turbidites, Wenlock-Ludlow 39,448-56,458-62 tectonics, Northumberland Trough 45,71 ff. Turn Wheel Linn, Weardale. County Durham 49.67-70 tectonics,Tertiary. Staffordshire and Shropshire 50.196-9,204 Tweed Basin 45,74 tectonism and eustacy 43.473 Tweed ice, debris content of 38,372-5 Teesdale 40. 507,514-8.528 ff. Twenty-five Foot Drift 40,633 Teloceras cf. acuticoxtatum 41.222-3 Tynebottom Mine, Garrigill 46, 133-9,169 tennantite 44. 153 ff. Tynedale region, structure 45,45-9 Teretaspis grandis 40, 476 Tynemouth Castle Cliff. Co. Durham 48,410 ff. Tertiary dyke suites, Staffordshire 50.191. 194.195 Tethys, Tertiary history of 44,318 ulvospinel 47.257-8 tetrahedrite 44,153 ff. unconformities. Ingleton area 40. 199,200 tetrapod environment, Autun 38.454-5 Uniformitarianism, and Ostracoda 44,305 ff., 443 ff. tetrapod environment, Cis-Uralian Russia 38.468-70 United States. Lower Carboniferous of 39.590-1 tetrapod environment, Clinton, Ohio 38.459-60 uplift in East Yorkshire and Lincolnshire 42, 505 tetrapod environment, Jarrow. Leinster 38,452-3 Upper Cretaceous stratigraphy and fauna, north-east England 48.227-54 tetrapod environment. Joggins. Nova Scotia 38,461-4 uraninite 44.440-1 tetrapod environment. Karroo 38.470-81 uranium, anomalous in superficial deposits overlying the Wasdale Head tetrapod environment, Lebach 38,455-6 Granite. Cumbria 44,431-42 tetrapod environment, Mazon Creek 38.460-1 uranium, in Dinantian of the Beckermonds Scar Borehole 44.63.64 tetrapod environment, Newsham. Northumberland 38,451-2 Ure Valley Water Main trenches, 1969-71 39,537-46 tetrapod environment, Niederhasslich 38,457-8 tetrapod environment, North America 38.458-64 Vale of Bel voir. Lower Jurassic correlation 48.136-7 tetrapod environment. North Texas 38.465-86 Vale of Belvoir coalfield 44.29 ff. tetrapod environment, Nynany and Kounova 38,456-7 Vale of Eden Basin 50,91,99.100 tetrapod environment, Scotland 38,449-51 Vale of Pickering 39.225-6,234 ff.; 44,251; 40,207-10 Thahissinoidvs (Spongcliomorpha) cf. suevicus 41,414,436-7 Vale of Pickering, ammonite zonalion of Upper Oxlordian mudstones in The Due 40. 112 44,53-8 thermal subsidence 44,489 Vale of York, abandoned river courses 40,223-32 thermomagnetic measurements 44,75 Vale of York. Devensian ice limit 40.631-7 Thirkleby. North Yorks. 47. 29-30 Vale of York, mineralogy and geochemistry of Quaternary deposits 40 Thorpe Audlin Anticline 39,488.507-8.512 353-72 Thracia sp. indet. 39,117.135.138-9 Vale of York, radiocarbon date from 40, 195-7 Tickhill 40.309 ff. Veeniacythereis acudcoslatn 45,242 tidal channel deposits, Dinantian. Northumbrian Basin 49,138—11 Vent, Curig Hill 40,582 tidal sands 42. 12 ventifacts 40,631 ff. tidal scour, hypothesis for origin of North Sea basins 39,281 ff. Veryhachiurn minutwn 45,124 tills. Eastern England 47.21 ff. Veryhachhtm trispinosum 42. 410-1 tin 44. 156.157 violarite 46.134 titanium, metamorphic mobility of 44.93 Virgin Moss Vein, Wensleydale 49, 125-7 tonstein, Stafford, mineralogy of 38,497-576 vitrinite reflectance determinations from the Beckermonds Scar Borehole tonsteins38,247 ff. 44,99-102 tonsteins, geochemistry and mineralogy 47,189-95 vitrinite textures 42. 557 topaz 47, 112-3 vitrinites, Coal Measures reflectivity, and anisotropy of 39.515-26 tourmaline 40,542 volcanic ash, in Carboniferous 40.59 tourmaline veins 44,70 volcanic events, upper Visean, Derbyshire 41,347-66 trace elements, Speeton Clay 40. 182-5 volcanic necks, pipes 45,249-59 trace fossils. Carboniferous 40.438-9; 519 ff. volcanism 42, 405 Downloaded from http://pygs.lyellcollection.org/ by guest on September 29, 2021

GENERAL INDEX 23

volcanism, Cockermouth lavas 45,141 Wolstonian Basement Till, lithological analyses 47.22 ff. Vulcanisphaera africana 45,124 Woo Dale Limestones, Derbyshire 45,225-33 Vulcanisphaera cirrita 45,124 Woolfox Quarry, Greetham 39,323 Wrack Hills 45,277-92 Wales, Arundian fauna 46,57 ff. Wren's Nest Anticline 39,296-7,304-8 Wales-Brabant ridge 44,189 ff. Wye valley, Derbyshire 45.225-33; 49,202-3 Wales, Caledonian deformation 46,183^4 Walk Mill Foss, a type locality for the Eller Beck Formation 44.371 X-ray diffraction trace, Speeton Clay 42, 23 Wallodinium cylindricum 45, 118,120 Xenostephanus sp. 41,26-7 Walls Boundary Fault system. Shetland 47,339 ff. Xiphcroceras sp. 42, 115 Warwickshire Syncline 39,295 ff. xiphosurids, Namurian 46,153 ff. Wasdale, Cumbria 50,11-24 xiphosurids, palaeoecology 46,162-5 washouts. Durham Coalfield 40.205 xiphosurids, trace fossils 46,85 ff. water temperatures in Pennine limestone areas 40,601-12 Waterstones 41,399^436 Yarnfield, Staffordshire 50,195,201,202, 205 waterswallows Sill, olivine-dolerite of 39,61 Yea District, Victoria, Australia 44,377 ff. Weardale, Great Limestone in 42, 46 Yellow Sands 44,497 ff. Weardale 40.507-14,528 ff.; 41,533 ff. Yons Nab, North Yorkshire 45,293; 48,65 ff. weathering in Whin Sill 40,105-14 Yoredale Group 39,555-8,573,592; 40,563 Well Hole 39,267,277 ff. Yoredale Group, delta lobe 40,505-36 Welton Wold Quarry. N. Humberside 48,235 ff. Yoredales, barnacle 41,5 Wentbridge 46,290' Yoredales. limestones, correlation of 40,319-34 West Cliff, North Yorkshire 50.216-8,219,225-6 Yoredales, limestones, on Alston and Askrigg blocks 40,613-30 Westhead 45. 179 Yorkshire, abandoned river courses 40,223-32 Wet Swine Gill 45,59-65 Yorkshire Basin, ammonite zonation of the Upper Oxfordian mudstones Wheat Beck 44,367 of the Vale of Pickering 44,53 ff. Whin Sill, weathering of 40,110 Yorkshire Basin, nomenclature of Middle Jurassic 39,527-35 Whitby West Cliff, North Yorkshire 48,67 ff. Yorkshire, water temperatures in limestones 40,601-12 White Bog, Co. Down, Northern Ireland, late Devensian and early Flan• Yorkshire, Wensleydale Granite 40, 191-4 drian molluscan fauna from 44,394 Yorkshire. Whin Sill 40,105-14 White Horse, Skiddaw, graptolite locality 44,222 Yorkshire, Yoredale limestones 40,319-34,613-30 White Nab, Scarborough, North Yorkshire 49.43-4 Yorkshire Coalfield 50, 128 White Sands of Lincolnshire 39.110-1,116 Yorkshire Museum, type and figured fossils 41,35-47,241-60,437-60; 42, Whitehaven, Cumbria 48,119-20 415-37 Whitendale River, Lancashire 50,337 yttrium, trace elements in fluorite 44,153 Whitwell39,139 ff. yttrium in Eifl microgranite 39,34,40,48 Widmerpool Gulf, central England 46,321 ff.; 50,336,337,348,350,351 Wigan 39,471 ff. Zechstein Basin, Cumbria 50.176,182-3 Willerby Railside Quarry, North Humberside 48,244 ff. Zechstein Cvcle 3 chloride salts, Teesside 50,239-44 William Smith and Jurassic coals Yorkshire 40.297-308 Zechstein Sea 40,642; 47,33 ff., 285 ff., 313 ff.; 48,33-40,47-60,347-65, Williamsonia gigas 45,283-5 409-14 Windy Knowe, Borders Region 47,199 ff. zinc. Askrigg Block 43,23-5,365 Winksley 39,537-8.543-5 zinckenite 45,59 ff. Winter Hill, Bolton 46,112 ff. zircon 40,438,542 witherite 45.199 ff. Zygodiscits elegans 42, 208-9 wollastonite 44,506 ff. Zygodiseus credits 42,208-9

2.1. BOREHOLES

Where borehole names include a number or letter, these characters are italicised

Aiskew Bank Farm 50,334,345.352 Castle Head 49,33 ff. Afford 40,501 Charlestown 44,286 Allenhead40,616;44,102 Cherry Tree 39,492,500-5.514-5 AmpthiUClay 41,27 ff. Churchtown 48, lOff. Archerbeck 40,324 Coal Measures Yorkshire 39.489 ff., 514-5 Ashfold Side Beck 50,334,347,352 Coat Walls 48,16 ff. Ashton Park 40,496,623 Cottam 38,205 Audlem 75 and 77 49.183 Countesthorpe 39,72-4 Cox's Walk 46,360 Bakevellia Basin 50,177 Craven Water Board 01,02 50,352 Beckermonds Scar 44,59 ff. Cravke Lodge 47,30-1 Bewerlev Mines 7 50,345 Crewe Heat Flow 49,178 ff. Bewerley Mines 1A 50,334,335,337.347,352 Croft Closes 50,337,352 Bewerley Mines IB 50,334,335,337,338,347,352 Croft House 50,338,344,345,347,350,352 Bewerley Mines 2 50,334,335,352 Crystal Palace 44,358 Bewerley Mines 3 50.334,335.347,352 Culford 39.72,77 Bewerley Mines 5 50,334,335,345,352 Cumbria (west) 112/25A-1 50.52.54,94,95 BGS 81/40 (offshore) 46,42 BGS 81/41 (offshore) 46,97 ff. Danby 40.304, pi. 22 BGS 81/43 (offshore) 46,39 ff., 97 ff.; 47,321 ff. Derbyshire, Visean 40,78 ff. BGS 81144 (offshore) 47,142-5 Doddington 38,205,207 BGS 81147 (offshore) 46,97 ff. Duffield 50,334,340,342.345,348,351,352 BGS 81/49 (offshore) 46,97 ff. Big Lane 38,203,207 Earby-Carleton 50,335 Blacko 50,334,335,349.352 Eaton 3 49.174 Bottesford 44,2,37 Egypt Plantation 44,37,39 Boultham 38,205,207 Elloughton by-pass 40,196 Bowness 50,310 Elsack 01,02 50,334,335,352 BP 42/13/1 (offshore) 46,42 Eyam 45,229 British Salt 49,174 ff. Brough Sowerby 49,348 Felixkirk 45,51 ff., 267 ff.; 48,367-74 Brown Moor 44,372; 45,53-6,267 ff. Firth Vickers No. 2.Tinsley 38.300 ff. Byley 49,178 ff. Fordon 39.416,420 Fordon G4 46,42 Caldon Low 44,189 Fordon No. 1 46,108 Carsington Reservoir 50,335,337,340,342,343,352 Fulbeck48, 121 ff. Downloaded from http://pygs.lyellcollection.org/ by guest on September 29, 2021

24 GENERAL INDEX

Gayton 40,4 ff. Scalby Ness 49,23 ff. Gilberdyke 38,204 Seaham 38,11,18 Gleadthorpe 47,192 Seal Sands 49.351; 50,174.175 Glinton 46.358-60 Seascale 50,58 Great Orton (SB1) 50,305-10.311,312.314 Sellafield / 50,6,7,25,37,52,54,57,63,78,85,87 Great Osgrove Wood 46.360 Sellafield 1A 50,6,7,78,82-3.87,92.94,95 Sellafield 2 50,6,7,25.26,27.28,29,52,54,80,82-3,84,85,87.88,92,94. Hare wood 50,345.352 95,109.209 Harlequin 44,34 Sellafield 3 50,6,7,25,32-3,39-41,42-3,44.45,49,52,57,61,63,78,79,81, Harlsev49.351;50, 173.174, 183 82-3,84,85,87.88,94.95,101,209 Harton 38,75-103:39,175-7; 40.324; 44,102 Sellafield 4 50,6,7,25.26,27,28,29,92,94,95, 109 HaveriggHaws 50,179 Sellafield 5 50,6,7,25,26,27.29,54,61,92,94,95.109,209,210 Haxev 38,204 Sellafield 7 50,6,31,82-83 Heath Lane 44,34 Sellafield 7A 50,7,25.30,40.41,44,45,78,84,85,87,88,92,94, 95 Hillstown 47.183 Sellafield 7B 50,7,54,78,84,92,94,95,209,210 Hilton 49,348 ff.; 50, 174, 177.183 Sellafield 8 50,6,7,25,27,29.52 Hunstanton 40,4 ff.; 46,313 ff. Sellafield 9A 50, 6 Hurworth Place 50,149 Sellafield 10A 50,6,7,25,26,27,29,31,35,40,41,44,45,52,54,61,94,95, 209 Isle of Man 50,59 Sellafield 10B 50,7,56,63 Sellafield /0C50,7 Keyworth A and C 49,183 Sellafield 11A 50,7,109 Kimmeridge Clay 41,15 ff. Sellafield 12A 50,6,7.27,40.41,45.54,94,95,209 Kirkbamton (SB2) 50,305,310.311 Sellafield 13 50,6,57,61 Kirkham 48.5 ff. Sellafield 13A 50,7,41,54,63 Sellafield 13B 50,7,54,56,58,63 Langwathby 49,348 Sellafield 14A 50,6,7,25,30,31,44,54 Larne2 49.351;50.177,180 Settlingstones 45,46 Le Quesnav 40.245 Severals House 40,6,10 Lievin 40.245 Shotley Gate 49,149 ff. Longframlington 49,278 Silloth 1A 49,351; 50.52,54,59,94,95, 178. 181-2. 184 Longhorsley 49,278 Skegness 40.6.499-503 Lossiemouth 45,189-97 Sloswicks Farm 47,188 ff. Lounthwaite 49,348 Sproxton 44,34 Lower Teesside (ICI). E26 50,239,240.241-2 Staithes SI 50,239,240,242,243 Lower Wych 49.180 Stonehaugh 45,45 ff; 48,435-46; 49.278 Maltby 40.501 Sunderland General Hospital 38,17 Manor Hill 47,188,190 Swinefleet Moor 38,205 Marham 40.4 ff Munsterland / 40.249 Tansley 39.88 Mythop 48,7 ff. Thornton Cleveleys 48,7 ff. Three Shire Oak 44,34 Nettleton Bottom 46, 107.231 ff. Throckley 38,82 New Studley Tunnel 49,190 ff. Thruscross Reservoir Dam 50,347,352 North Sea (southern ) 49/21-2 49,172 Tinsley 38,300 ff. North Sea (southern ) BGS 81/43 48,255-64,421-34 Vale of York. Quaternary 40. 195,356 ff. Oakfield Lane 47,183 Oakfield Plantation 47,192 Walney Island 48,7 ff. offshore 38. 18,20 Warboys 39,72,77,85; 46,335-7 Wardle49,178 ff. Palmer Mann 49, 180 Waterflosh (SB3) 50.305-6.310,311.314 Plungar 44.34 Weeton Camp 48,5 ff. Port More 49.183 Westwoodside 38,205 Whitwell-on-the-Hill 45,52 ff. Rampton Hospital 38,207 Wiggenhall 46,313,317 Ravenstonedale 42,343 Wfikesley 49,174 ff. Raydale40.191-4.620 ff.; 44,59 Windmill Hill 47,192 Redfirth Gill 50,335,352 Woo Dale 39,85-6; 46,360 Redmile44. 1,37 Woodcock Lodge 47,192 Refinery Road 49,149 ff. Woodland 39,63^1 Rookhope 39.61-2;40.191,319.616 Wray 50,334,341,352 Roosecote 50,334.335,337,352 Wykeham No. 1 45,52 ff. Ryder Point 45,229

2.2. CHRONOSTRATIGRAPHY

Cambrian, general 46,355 Carboniferous, Dinantian 40,623:45,45-9,71-3. 141-6.225-33:46, 1-10. Cambrian. Lingula Flags 41,199-202 82; 47.155 ff, 163 ff., 215 ff., 345 ff.; 48. 163-87,287-95,297-321. Cambrian. North Wales 43,295 ff. 447-60; 49,135-48. 269-81,335-43; 50,37-49, 157-71 Carboniferous 45,71-82:46, 321-33; 49,295-319 Carboniferous, Dinantian, Allendale 43,4

Carboniferous. Alportian Stage (H2) 39,541 Carboniferous, Dinantian, Beckermonds Scar Borehole 44,61 ff., 86 ff.. Carboniferous, Arnsbergian 39,539-41 45,219-24;48, 149-62 103 ff. Carboniferous, Arundian 46.23-8,57 -75; 47,234 Carboniferous, Dinantian, Bedispores ndidus - ReticulatisporUes camosus Carboniferous, Asbian 47,236 (NC) Zone 41,385 ff. Carboniferous, Asbian, cycles compared with Holkerian 42,499 Carboniferous, Dinantian, Bristol district 41,261 ff. Carboniferous, Asbian, cyclicity 42,317—41,397-404 Carboniferous, Dinantian, British stratigraphy, a new synthesis of 39, Carboniferous, Asbian. magnetostratigraphy 42,371-96 567-607 Carboniferous. Asbian and Holkerian foraminifera from the Becker• Carboniferous, Dinantian, calcrete 43,411 monds Scar Borehole 44,103-8 Carboniferous, Dinantian, conodonts 43,169 Carboniferous, Aulina, new species 41,189 Carboniferous, Dinantian, Cumbria 43,403 Carboniferous, base of 40,239 Carboniferous, Dinantian, cyclothems in platform carbonates at Crich. Carboniferous, Brigantian 47,236-7 Derbyshire 44,159-80 Carboniferous, Brigantian 48.23-32,99-113,189-96 Carboniferous, Dinantian, Dorlododa in 43,331 Carboniferous, Chadian 45,179-82; 47,234 Carboniferous, Dinantian, eustacy and tectonics, stratigraphical units in Carboniferous, Chokierian Stage (Hi) 39,541 Dinantian correlation 42,229-62 Carboniferous, Co. Durham 40.202-7 Carboniferous, Dinantian. Fell Sandstone 41,509-32 Downloaded from http://pygs.lyellcollection.org/ by guest on September 29, 2021

GENERAL INDEX 25

Carboniferous, Dinantian, foraminifer from, a new genus 44. 145 ff. Carboniferous. Yeadonian Stage (G,) 39.544-5 Carboniferous, Dinantian, gigantoproductids 42,43 ff. Cretaceous, 45.235-48; 46.301-9; 50, 285-304; Carboniferous, Dinantian, Holkeria gen. nov., a foraminifer from the Cretaceous, Albian 40,21,593; 45,235-48 Holkerian Stage 44,145-51 Cretaceous, Albian-Cenomanian boundary 50,297-9 Carboniferous, Dinantian, mesothems 41,284 Cretaceous, Aptian 40,21,499-503; 45.235-48 Carboniferous, Dinantian, minor cyclicity in late Asbian, North Wales 42, Cretaceous, Aptian. bodei Subzone 40,499-503 317-11 Cretaceous, Aptian, fissicostatum Zone 40,499 ff. Carboniferous, Dinantian, miospore zones 41,386 Cretaceous. Barremian 40,1,2,18; 42,200 ff.; 45,235-48 Carboniferous, Dinantian, Northumberland 45,45-9 Cretaceous, Barremian/Aptian boundary 40.499-503 Carboniferous, Dinantian, palaeomagnetism in Craven Basin 42.371-96. Cretaceous, Berriasian 40.2: 42,200 ff.; 46, 123-31 Carboniferous, Dinantian, photomicrographs 44,163. 169.171 Cretaceous, Cenomanian 45,235-48 Carboniferous, Dinantian, Pinskey Gill Beds conodonts 42,357-69 Cretaceous, Cenomanian/Turonian boundary 40.586-7 Carboniferous, Dinantian, platform carbonates at Crich, Derbyshire 44, Cretaceous, Chalk, Lower 39,411,414-29,433-4,437-8 159 ff. Cretaceous, Chalk. South Humberside 40.586-93 Carboniferous, Dinantian, sea level in 43,473 Cretaceous. Hauterivian Stage 40,1,2,18; 42,200 ff. Carboniferous, Dinantian, shallow boreholes near Ravenstonedale 42,343 Cretaceous, Lower. 46,39-56; 48,255-64,421-34,461-46; 49. 129-134 Carboniferous, Dinantian, thickness variations on the Askrigg Block 44,79 Cretaceous, Lower and Middle of East Yorkshire 39.409-44 Carboniferous, geographical changes changes in Britain during 44,81-203 Cretaceous, Lower B Beds, Speeton Clay, Aulacoteuthis in 39,89-91 Carboniferous, Girvanella Band 38,288-90; 40,615 ff. Cretaceous, Norfolk 40,1-22 Carboniferous, Holkerian 47, 236 Cretaceous, Red Chalk and Lower Chalk 43,81 ff. Carboniferous, Holkerian, near Settle 42,483 Cretaceous, Ryazanian Stage 40,1,10, 20 ff.; 42,21-7; 47,321 ff. Carboniferous, Holkerian, foraminifera from the Beckermonds Scar Cretaceous, Santonian, biostratigraphy. North Yorkshire 50. 113-8 Borehole 44, 103-8 Cretaceous, Speeton Clay 40, 181-90 Carboniferous, Ingleton area 40,199-200 Cretaceous, Speeton Clay, a cone from 44,205 Carboniferous, Kinderscoutian Stage (R,) 39,541-4 Cretaceous,Turonian 45,235-48 Carboniferous limestones, Isle of Man 39,95.96,102 Cretaceous, Upper 48,227-54; 49,235-58; 50,213-28 Carboniferous, Lower 47,215 ff. Cretaceous, Valanginian Stage 40,1.4.16 ff.; 42,200 ff. Carboniferous, Lower, Dibunophyllum (DA Zone 40.491-7,614 ff.

Carboniferous. Lower, Dibunophyllum (D2) Zone, base of 40,614 ff., 620-3 Devonian, base of 40,239

Carboniferous, Marsdenian Stage (R2) 39,544-5; 48.143-7 Devonian, Eifelian Stage 40,239 ff.. 460 ff. Carboniferous, Mississippian 39.590-1 Devonian, emplacement of Shap Granite 42,297 ff. Carboniferous, Namurian, 40,58-62,144,431-58,503-36; 45,219-24; 46, Devonian, Emsian Stage 40,239 ff., 460 ff. 111-21,153-68; 48,323-37;49,11-22,189-96.321-4; 50,333-55 Devonian, facies and time in tropical areas 40,233-88 Carboniferous, Namurian, Allendale 43,6 Devonian, Famennian Stage 40,239 ff., 460 ff. Carboniferous, Namurian, Aulina from 41,189-96 Devonian, faunas and time 40.459-90 Carboniferous, Namurian, Eumorphoceras rostratum horizon 39,87 Devonian, Frasnian Stage 40,239 ff., 460 ff. Carboniferous, Namurian, gigantoproductids 42,43 ff. Devonian, Gedinnian Stage 40,239 ff., 460 ff. Carboniferous, Namurian, Great Limestone 43,69, 159-67 Devonian, general 46,29-37,175-92,335-53 Carboniferous, Namurian, growth faulting and sandstone deposition in Devonian, Givetian Stage 40,239 ff., 460 ff. the Stanton Syncline, Derbyshire 41,305-23 Devonian, palaeogeography 43,228 ff. Carboniferous, Namurian, Grumosisporites varioreticulatus (KV) Zone Devonian, Siegenian Stage 40,239 ff., 460 ff. 41,390 Devonian, stages 40,239-41 ff. Carboniferous, Namurian, Kraeuselisporites ornatus Zone 41,389-90 Devonian, zones 40.240 ff. Carboniferous, Namurian, lateral persistence of beds in Great Limestone 41.533-44 Jurassic. 46,231-66 Carboniferous, Namurian, Lower. North Staffordshire, sedimentation of Jurassic, Aalenian 45.109-22; 46,252-3; 48.370 ff. 39,371-408 Jurassic, Bajocian 40, 115-8.419 ff.; 46,85-95,253:47.349 ff.; 48,221, Carboniferous, Namurian, Lower, stratigraphy of 39.372-8 375-92 Carboniferous, Namurian, major cycles of transgression and regression Jurassic, Bajocian. ammonites 41,222-3 (mesothems) 41,261—91 Jurassic, Bajocian, Discites Subzone 39,321-2,325 Carboniferous, Namurian, palynological divisions of in northern England Jurassic, Bajocian, eastern England 39,319-25 and Scotland 41,381-98 Jurassic, Bajocian, Scarborough Formation 41,203-22 Carboniferous, Namurian, Raistrickia fulva-Reticulatisporites reticulatus Jurassic, Bajocian, uplift in Yorkshire 42.461 ff. (FR)Zone 41.390-1 Jurassic, Bathonian 46.253-4; 47,349 ff. Carboniferous, Namurian, Ripon-Harrogate area 39.537—16 Jurassic, Bathonian uplift in Yorkshire 42,461 ff. Carboniferous, Namurian, sea level in 43,473 Jurassic. Boltby Moor 40,289-95 Carboniferous, Namurian, Staffordshire, K-bentonites from 39,87-8 Jurassic. Callovian 41,325-46; 46,254-5 Carboniferous, Namurian, Stenozonotriletes triangulus Rotaspora knoxi Jurassic, Callovian, Market Weighton area 42,1-20 (TK) Zone 41,389 Jurassic. Callovian. nannofossils 42,29-39; bryozoan 42,214 Carboniferous, Namurian, Triquitrites sinani-Cirratriradites saturni (SS) Jurassic. Callovian, Sigaloceras (Catasigaloceras) enodatum Subzone 39, Zone 41,391-2 107,109,114 Carboniferous, palaeogeography 43.238 Jurassic, calloviense Zone 40,293 Carboniferous, palynological divisions of Namurian 41.381-98 Jurassic, coals, North Yorkshire 40,297-308 Carboniferous, Pendleian 46,23-8 Jurassic. Corallian, Nunningtonense Subzone 39.231 Carboniferous. Renalcis. from Lower Carboniferous of Cumbria 44,327 ff. Jurassic, Corallian Stage 40.207-10,289,292 Carboniferous, Stephanian folding 44.196 Jurassic, Corallian stratigraphy and sedimentation. North Yorkshire 49. Carboniferous, Tournaisian 44,188,189; 46,11—1 155-68 Carboniferous,Tournaisian, beds in Ravenstonedale, Westmorland 38, Jurassic, Corallian, stratigraphy of Yorkshire 39,225-66 261-80 Jurassic, Corallian succession at Filey Brigg 44,264 Carboniferous, Tournaisian-Visean boundary 39,151-9,553,577,591 Jurassic, Corallian, Vale of Pickering 40,207-10 Carboniferous, Visean. 40,41-7,58-62,63-104,130,132,192,206,319-34, Jurassic, early, (Lias) 50,305,306-8,310-5 563-5.613-30; 46,11-4,203-9,293-300; 47.13 ff.. 55 ff., 233 ff.; 48, Jurassic, Hettangian 46,243-5 435-46:50,119-23 Jurassic. Kimmeridgian 46, 97-109,258-9,267-74; 49, 207-14 Carboniferous, Visean. base of, in south-west and north-west England 39, Jurassic, Kimmeridgian, Pictonia baylei Zone 40.593 151-60 Jurassic, Kimmeridgian, Rasenia cymodoce Zone 40,593

Carboniferous, Visean, Dibunophyllum (D7) Zone, base of 40,614 ff., Jurassic, Lincolnshire 40,56-8,115-8 620-3 Jurassic, Lower 48, 121-41,367 ff. Carboniferous, Visean, Lower "reef" limestones, Clitheroe 38,607-38 Jurassic, Lower, marine reptiles from Upper Lias of the Yorkshire coast Carboniferous, Visean-Tournaisian boundary 38,268-9 44,399 ff. Carboniferous, Westphalian, 45,27-13,85-9,147-61; 48,81-98,119-20; 50, Jurassic, Middle 48,61-74; 49.23-40.41-7 317-31 Jurassic, Middle, Eller Beck formation and the supposed Blowgill Carboniferous. Westphalian, volcanic rocks to the east and south of Member of the Yorkshire Basin 44,365 ff. Nottingham 44,29-44 Jurassic, Middle Lias 42,525-38 Carboniferous, Westphalian B 47,181 ff. Jurassic, Middle, strata of Yorkshire Basin, nomenclature of 39,527-35 Carboniferous, Westphalian B, palaeoecologv of the fauna over the Park Jurassic, Norfolk 40.1-22 Mine 39,471-86 Jurassic. Oxfordian, 40,592; 45. 132-3; 46.97-109,255-8,267-74; 49, Carboniferous, Westphalian B plant assemblages 41.461-508 155-68 Carboniferous, Westphalian B, Similis-pulchra Zone 39,471.474 Jurassic, Oxfordian-Kimmeridgian 48,197-208 Downloaded from http://pygs.lyellcollection.org/ by guest on September 29, 2021

26 GENERAL INDEX

Jurassic, Oxfordian. Lower, of North Yorkshire 44,249-81; Quaternary, Flandrian 40.38; 46, 141-52; 47. 125 ff., 207 ff. Jurassic, Oxfordian. marine Zone 40,293 Quaternary, Haweswater, fall in level of 40.547-62 Jurassic. Oxfordian, nannofossils 42,29-39 Quaternary, Holocene 48,75-80; 49.1-9,197-206 Jurassic, Oxfordian, Ringsieadia pseudocordata Zone 40,593 Quaternary, Hoxnian-Ipswichian 48.223-6.415-20.463-5 Jurassic, Oxfordian, Upper, of Vale of Pickering, ammonite zonation of 44, Quaternary, Hoxnian Sub-Basement Clay (Bridlington Crag) 44,315 53-8 Quaternary. Ipswichian buried cliff 40,24-6.32 Jurassic, palynostratigraphy. North Yorkshire 47,349 ff. Quaternary. Ipswichian interglacial 40.32,590,633 Jurassic, Pliensbachian 46.249-52 Quaternary, Kildale. north-east Yorkshire, late Devensian and early Flan• Jurassic, Pliensbachian. ammonites 42. 152 drian fauna and flora from 44,385-97 Jurassic. Sinemurian 46.245-8 Quaternary, Lake Humber, radiocarbon date 40.195-7 Jurassic, Sinemurian ammonites 42. 151 Quaternary, loess 40,23-39 Jurassic. South Humberside 40.419-29.591-3 Quaternary, Oxbow opencast coal site, Aire valley. Yorkshire, deposits at Jurassic,Tithonian 47.149-50 38,175-200 Jurassic.Toarcian 45,99-108, 109 ff.; 46. 252. 279-87; 49,49-55; 50, 129-42 Quaternary. Pleistocene 46. 193-201:49,325-34 Jurassic, Volgian Stage 40. 1 ff. Quaternary, Pleistocene, late Devensian deposits a Kildale 41, 185 ff. Quaternary, Pleistocene. Lincolnshire, artifacts and faunal remains 41,75 Ordovician 48.393-408; 49.57-65 ff. Ordovician. acid intrusions, North Wales, geochemical characteristics of Quaternary. Pleistocene, loess 43,281-94 39,33-57 Quaternary. Pleistocene, Mammalia 43,253-80 Ordovician. age of Threlkeld Microgranite 40. 217-8 Quaternary, Pleistocene. (Pastonian) 39,317-8 Ordovician. Arenig 42,405; 47.269; 49.259-62 Quaternary, Pleistocene, tills in East Yorkshire, Lincolnshire and Norfolk Ordovician. Arenig, in Beckermonds Scar Borehole 44,67 ff. 42,55-108 Ordovician. Arenig. isograptids from 44.219—18 Quaternary. South Humberside 40.588 ff. Ordovician. Arenig. Lake District 39. 179, 180, 189 Quaternary, South Yorkshire, folding in 40.309-17 Ordovician, Arenig, Didymograptus extensus Zone 39. 180-1 Quaternary, Vale of York, abandoned river courses 40,223-32 Ordovician. Arenig, Didymograptus hirundo Zone 39.180, 189 Quaternary, Vale of York, ice limit in 40,631-7 Ordovician. ash-shower deposits of 39.199-224 Quaternary, Vale of York, mineralogy and geochemistry 40,353-72 Ordovician, Ashgill Series. Caernarvonshire 38.539-40 Quaternary, Weichselian (late) radiocarbon 14 dates 38,282-4 Ordovician. Caradoc Series, Caernarvonshire 38,521-39 Quaternary, Weichselian, late sequences in Vale of York 38.281-4 Ordovician, Carrock and Ennerdale intrusions, ages of 40,220 Quaternary, Weichselian till 39,273 Ordovician. general 46.80-1,170-2. 175-92.355 Quaternary,Wolstonian 40.33;44. 131 ff.:47.21 ff. Ordovician, Hirnantian 50,229-38 Ordovician. Llanvirn 46,371-80; 47,269 Silurian 46,29-37. 175-92; 49.283-91 Ordovician. Llanvirn, Didymograptus bifidus Zone 39,180-1 Silurian, Austwick and Horton-in-Ribblesdale 40. 199-202 Ordovician. Llanvirn. Didymograptus murehisoni Zone 39. 180, 182; 40, Silurian, greywackes 40,594 202 Silurian, Ludlovian 48.277-85 Ordovician, Llanvirn, Lake District 39. 179 ff. Silurian, Ludlow, Horton-in-Ribblesdale 39,167-74,445-62 Ordovician. Llanvirn, murehisoni Zone Silurian, Ludlow mudstones, Austwick inlier 40,201 Ordovician. Lower 47,267 ff. Silurian. Ludlow, Neodiversograptus nilssoni-Cucullograptits scanicus Ordovician, mineralisation and metamorphism interrelationships in Beck• Zone 39, 168 ff. ermonds Scar Borehole 44,92 Silurian, Pfidol 48,41-6 Ordovician. petrographical details of rocks in Beckermonds Scar Bore• Silurian, Weardale Granite, age of 40.191 hole 44,91 Silurian, Wenlock, Cyrtograptus lundgrem Zone 39, 170 ff. Ordovician, Snowdonia 40,581-6 Silurian, Wenlock, Horton-in-Ribblesdale inlier 39, 167-74,445-62,470-1 Ordovician,Teesdale Inlier 40.207 Silurian, Wenlock, Midlands, joints in 39,306-8 Ordovician.Tremadoc 45. 123-7 Silurian, Wenlock. Monograptus riccartonensis Zone 39. 168, 173.454.459 Silurian, Wenlock, Pristiograptus ludensis Zone 39,170, 172 Palaeozoic. Lower, in Beckermonds Scar Borehole 44,61,67 Silurian, Wenlock, turbidites, Austwick 40,201-2 Permian 49.345-54; 50.245-53 Permian, general 46.289-90 Tertiary 50. 191-208 Permian, Co. Durham 42.439-60 Tertiary, Brassington Formation 40.62 Permian, late 50, 143-54 Tertiary, Palaeocene 49,149-53 Permian, Northumberland and Durham 42, 157-83 Tertiary. Palaeogene, pyroclastic deposits in the North Sea Basin 44, Permian. Upper 49,215-27,229-34,293-4 "355-63 Permian, Vale of Eden 40.53-8 Triassic 48,1 -22; 49,171 -88; 50,51 -60 Permian. Vale of York 40.227 ff., 309-17 Triassic, Anisian 41,399 Permo-Triassic 50.77-89,173-84.209-11 Triassic, Keuper in North Notts, North Lines and South Yorks, age and Precambrian 41.145 ff. relationship 38.201-28 Precambrian, general 46.355-68 Triassic, late. (Lias) 50,305,308-9,310-5 Triassic, late. (Penarth) 50.309-10.311,314 Quaternary. Devensian 40,23 ff.. 195-7.588.590; 44,131 ff.; 47.125 ff.;49, Triassic. Lower 49.345-54 1-9.197-206 Triassic. post 50, 91-102 Quaternary, Devensian ice limit. Vale of York 40,631-7 Triassic, Rhaetian 47.29 ff. 139 ff.; 48,367 Quaternary. Fimber, North Humberside 43,377

2.3. LITHOSTRATIGRAPHY (including igneous rocks)

Newly defined names are shown in bold letters

Ackworth Division 39.488 ff., 494-7 Ashfell Sandstone 44,64.87 Acre Limestone 45,68 Atherfield Clav 40,2 Aislaby Group 47,33 ff. Austwick Formation 39,170: 39,447-62,470-1; 40.201-2 Algal layer, Tournaisian-Visean junction 39,553 Avicula Seam 45,269 Alston Block 50,91,96,99,100 ' Alum Shale Member 45.56,105-6.109 ff. Badsworth Division 39,488 ff., 504-6 Alum Shales 44,45 Badsworth Rock 39.490,494.504-6 Ampthill Clay Formation 46,97 ff., 267; 48, 197-200 Ball Beds 44.252 Ampthill Clay, marker horizon in 41,27 ff. Balladoole Formation 46.215,223 Ampthill Clay, outcrops north of Market Weighton 41.127 ff. Ballasalla Formation 46,210-3,223 Ancholme Clay Group 46.235 ff. Bampton Conglomerate 39,183; 40,212 ff. Applethwaite Member 45,299-300 Banded Tills 44,133 Arcow Formation 39. 167 ff. 447.451 -2,455-7,459 ff. Barnby Member 48.128 ff. Arcow Formation 40, 20! Barnstone Member 48, 127 ff Arnton Fell Formation 40, 134, 135 Barrasford Limestone 40,329 Downloaded from http://pygs.lyellcollection.org/ by guest on September 29, 2021

GENERAL INDEX 27

Basal Beds 50,38,41,44 Carstone 39,411-5.417-9.433-4,437: 40.1.2,10 ff..499ff..592,593 Basement beds (Visean) 40. 192 Carstone Formation 48,232 Basement Conglomerate (Dinantian) 46,205 Castletown Formation 46,213-5,223 Basement Till 40,353; 47,21 ff. Castletown Limestones 46,207,213 Bath-House Wood Limestone 45,46 Caulley Mudstone 40,200 Bath-House Wood Limestones 40,329 Cautley Volcanic Formation 45,299 Beacon Hill Farm Marl 50,2 113.114,115,116 Cave Oolite 39, 107-13,319-25; 40, 115, 117,419 Beckingham Member 48,129 ff. Ceibwr Formation 49,62-3 Bee Low Limestones 45,226; 48,189-96 Cement Beds, Speeton Clay 39,90-1 Belah Dolomite 40.53,54 Cementstone Group 39,571; 40,594 ff.; 45,74 ff. Belah Dolomite/D-Bed 50,178-81 Cephalopod Shales 38,611 Bellman Limestone Member 48,170 ff. Chaigley Limestone Member 48,174 ff. Bewcastle Beds 40,130 ff.; 50.159,160-5. 167-8 Chalk (Yorkshire Coast) 50.213-28 Billingham Anhydrite Formation 47,304; 50.173 Chalk Group 44.119 ff.; 45.245; 46.304.306; 48,227-54 Birdsall Calcareous Grit Member 39.228,244 ff. Chalk lithostratigraphy 42.263 Birkdale Limestone 40,616 ff., 626 Chalky Till 44,133 Birker Fell Andesite Group 46. 172 Chatsworth Grit 48,143 Birker Fell Formation 48,394 ff. CheeTor Limestone 44,343 Birrenswark Lavas 40,130 ff.:44,190 Cherry Tree marker horizons 39,492 ff. Bituminous Shales (Toarcian) 46,280-1 Cheviot Granite 44.481 Black Burn Formation 40,134 Chonetes Beds 46.59 Black Mudstone Band (Westphalian) 45,27.32-3 Cinder Bed 48,261.461-2 Black Rock Group 39,573,575-7 Clay Cross Marine Band 44,33,34,37 Black Rock Limestone 46,11 ff. Clay-with-flints, Yorkshire and Lincolnshire 41,231-9 Blacko Marine Band 50,333-5,349.350,351.352 Cleveland Ironstone Formation 45,54-5,265-8 'Blackshale Coal'44,34,37 Clitheroe Limestone Complex 38,609 ff. Blackshale Seam 45,165 Clitheroe Limestone Formation 48,167 ff.: 48,372 ff. Blackstone Edge Sandstones 40,60 Close Hill Siltstone Member 50,339,341 Blea Wyke Sandstone Formation 45,104-5,110-2; 50. 129-41 Close-ny-Chollagh Formation 46,217-9.224-5 Bleawath Formation 50,28 Close-ny-Chollagh Formation 48,103 ff. Blowgill Member 39.530,532-3 Cloughton Formation 39,528-31,534 Blowgill Member (Middle Jurassic) 44,365-73 Cloughton Formation 46,85-8.232-4:49.26 ff. Blue Anchor Formation 49, 182 ff.; 50,311-2 Clowne Marine Band 45.27 ff Bogmire Gill Member 48,385 ff. Clowne Ostracod Bed 45,29-30 Bogside volcanic neck 45.249-59 Clowne Seam 45,27-43; 47.181 ff. Bollin Mudstone Formation 49,175 ff. Coat Walls Mudstones 48, 16 ff. Borrowdale Volcanic Group 38.106 ff.; 39,59-70; 39, 179 ff.; 39.365; 40, Cockermouth lavas 45,141-6 207,211 ff.,414ff, 549ff;42,595;46,80,170,177-9.187,374;48, Cockleshell Limestone 45,46 393-108; 50,11,13, 19-20,25-35,104. 105,109 Cockley Beck Group 46,170 Bosworth Clay and Silts 44,131 Codden Hill Group 48.447-60 Bottom Black Clay. Humberside 44.501 ff. Coleby Mudstones 46.236 Boulby (Middle) Halite 39,329 Colinswell Limestone 47,218-22 Boulby Halite Formation 47.304; 50.239-43 Colwell Limestone 40,329 Boulby Potash Member 50,239,240,241-3 Colwell Limestone 45,46 Bowland Shales 39,573,584,588 Compound Nodular Bed 46,43,123 Brandsby Roadstone 46,86-8; 49,43 Concretionary Limestone Formation 47,33 ff., 298.316 Brant Mudstone Formation 48,133 ff. Coniston Grit 38, 149-53 Brassington Formation 40,62 Coniston Grits 39.459-62 Brathay Flags 39,552 Coniston Limestone Formation 45.299 Breccia-Nodule Band, Red Chalk 39,429-32.438,444-5 Coniston Limestone Group 40.217.218 Breckells Mudstones 48,17 ff. Conway Volcanic Group 38,520 ff. Brennand Grit 50,349,350 Coplow Bank Beds 38,611 ff. Coplow Bank Shales 38,611 ff. Bridlington Crag 38.42-4; 39,315-8; 44,315 Coplow Limestone Member 48,169 ff. Brierley Division 39,488 ff., 497-500 Coprolite Bed 46,39-41,100-2,123 ff.:47,321;48,256,461 Brockram 40,53-5; 50.77-8,81,82,83,84,85.86 Coralline Oolite Formation 39,231 ff.: 40,208-10; 46,97-100,104:49, Brockwell Coal 45,85-8 155-68 Brockwell Ostracod Band 38,236 Brooks Mill Mudstone Formation 49,181 ff. Cornbrash Formation, 41,325-46; 46,235; 47,350 ff. Broom Farm Formation 50,28 Cornbrash. Upper 40,290 ff. Brotherton Formation 46,290; 47,302; 50. 173 Cornbrook Sandstone Formation 49,189-96 Brown Bank Formation 50,28-9 Cotham Member 47.29,140; 50.309-10,314 Buckbanks Sandstone Member 48,173 ff. Cove Limestone 47,56 Bude Formation 44,195 Crackington Group 44,195 Burdiehouse Limestone 47,218-21 Crafnant Volcanic Group 38, 532-8 Burnham Chalk Formation 42,274-5 Craven Reef Belt 50, 113-8, 119-23 Burnham Formation 48,227-54 Cravenoceras cowlingense Marine Band 45,219 ff Burton Bridge Sandstone 40,199 Cravenoceras gressinghamense Marine Band 50,335,339-41.343,345, Butterly Marine Band 44,289.293; 44,285 ff. 351,352 Buttermere Granite 50,12,18-9,21 Cravenoceras holmesi faunal band 39,87 Byley Mudstone Formation 49,177 ff. Crinoid Grit Member 49,43:46,85-8 Cromer Knoll Group 45,245 C-Bed (Bakevellia Basin) 50,179-81 Crowe's Shoot Member 50.286,293,297,298-9,300 Cadeby Formation 46,290; 47,292-5; 50,145 Crowhow End Dacite 48,399 ff. Cadeby Sand and Gravel 44,131 Curling Stones (Toarcian) 46,280 Calcareous Grit, Lower 44.249 ff. Cwm ClyydTuff 39,199-224 Caldecote Volcanic Group, joints in 39,298 Calder Sandstone Formation 50,53,56-7.62-3,65,68.72,73-4,80,82,83, Dalla Bank Limestone 40,329 87.88,102, 103,104,109,112,209 Dalton Formation 40,200 Cambeck Beds 40,130 ff.;50.159.167 Dam Dale Member 45,225-33 Caninia Beds 46,58 Danes Dyke Member 49,240 ff. Capel Curig Volcanic Formation 40.581 ff. Danny Bridge Limestone 44.61,65,86 Carboniferous Limestone, sedimentation in 39,568 ff.: 50,38-9 Dartmoor granite 44,196 Cam Bodvean microgranite 39,49,53 Davidsonina (Cxrtina) septosa Band 40,41-7,563,564 Carnallitic Marl 47,304 Deep Hard Coal 50.317,318-21,322-6,327,328,329,330 Carneddon Group 40,582 Deep Main Coal 44.39 ff. Carreg y Defaid rhyolite 39,33,41,42,53 Deep Soft Seam 45,39 Carrock Fell Gabbro Series 46,371 ff. Deltaic Series 40,289,290 Carrock Intrusion 40,220,222 Derbyhaven Formation 46,207-10,223 Downloaded from http://pygs.lyellcollection.org/ by guest on September 29, 2021

28 GENERAL INDEX

Dersingham Beds Formation 40. 1. 16-8 Gullv (=Caninia) Oolite 39. 151-8.572-3.575 Dhoon Granite 39.95-6.99-101.103-4 Gurn Goch Granite 39.49,50,51,53 Dogger Formation 39.529-30.547 Gwaeysgor Limestone 46,57,59 Dogger Formation 40, 297 ff.; 45. 104. 109 ff., 278-9; 48.372 ff.; 50. 129.130. Gyrach Division 38,524-6 131.135-7. 140 Drab Till 40.38.353 Hackness Coral-Sponge Bed 49,155-68 Draughton Limestone 47.56 Haisborough Group 47,142-5 Dulcey Dock Member 50.291-2.295.296-7,298-9 Hambleton Mudstones 48,4 ff. Dunbarella Bed 48, 174 ff. Hambleton Oolite 44.262; 49.165-6 Dunnerdale Group 46, 170-1 Hampole Beds 46,290 Dunsil Coal 44,40 Harden Beds 40,132 ff. Dyserth Quarry Limestone Formation 46,57 ff. Hartlepool Anhydrite Formation 42, PI.5:47,316;50. 144-5,147 Hartlepool (= Hayton) Anhydrite 50,175 East Nook Marls 50,2,3 113.114. 115. 116-7 Hartlepool and Roker Dolomites 47,34 Ebbabreen Sandstone 39,6,7,14 Hartshill Quartzite 39.300 Ebbabreen Shale Beds 39,6,7 Haslingden Flags 40.431-58 Ebbadalen Formation 39. 1-32 Hastings Beds 40.5. 16 ff. Ebbaelva Member 39.6.7.10-2.14. 17-9.21,25,28 Haverigg Haws Anhydrite 50.179 Eden Shale Group 40,53-5; 49.345-54; 50,173-84,337.342-3.348,350, Haw Bank Limestone 47,155 ff. 351 Havvorth Breccia 50.180 Edlington Formation 47.296-300; 50.173. 175 Hawsker Member 39,530.533 Eeiwell Limestone 45.46.68.74 Hayton Lower Anhydrite 50. 173 Eglwysg Limestone Formation 42,320 Hayton Upper Anhydrite 50. 173 Elled'Coal 44,22 Hearson Formation 48,451 ff. Filer Beck Formation 39,529-31.534; 44,365-73 llectoroceras Beds 40.10-4.21 Embsay Limestone Member 48.174 ff. Heddon Member 48.450 Ennerdale Granophvre 44,431 ff.; 50.11,12. 15-6,19.22 Helmsdale Granite 44,438.Table 1.440 Eskdale Granite 40,220.222:44.431 ff.: 46.19-20; 47.109 ff.; 50,12-3, 15, Helsbv Sandstone 48,4 18-23.109 Helwath Beck Member 48,376 ff. Eskdale Granodiorite 50.12 Hemsworth Division 39,488 ff, 500-4 Eston Shell Beds 45,272 Hendre Shales 49,58 Estuarine Beds 40.56.57 HessIeTiII40.38 Etruria Marl 44,40 Hetton Beck Limestone Member 48,173 ff. Etruria Marl Group 38,329 ff. High Coal 48.328 ff. Eumorphoceras yatesae Marine Band 45,219 ff High Haumc Rhyolite 45,299 Evam Limestones Formation 48.23-32 High House Ironstone Member 50.131, 133,134,138. 140 Eycott Group 46,371 ff.. 177 Hilton Series 40,53.55 Hodder Mudstone Formation 48,170 ff. Fawes Wood Limestone 44,64.87 Hodderense Limestone Formation 48. 176 ff. Feldspathic Conglomerate Beds 38, 264 ff. Holy Well Member 48,450 Fell Sandstone Formation 40,134,544-5,594 ff.; 41,509-32 Horton Formation 39,167 ff., 447.453,462; 40,201:48.277-85 Fell Sandstone Group 41,509 ff.; 45,74 ff.; 49.269-81 Horton Limestone 44,65 Fellside Mudstones 38,108-9 Hotwells Limestone 39,573.576,587,592; 40,623.624 Ferriby Chalk Formation 42,269-71 Humevale Formation 48,41-6 Ferriby Chalk Formation 48,227-54; 50.286.289.293.298-9,300 Hundale Sandstone Member 48,381 ff. First Abden Limestone 47,223-5 Hundale Shale 41,207-8 Flamborough Chalk Formation 42,275:49,235-58:50,113-8 Hundale Shale Member 48,381 ff. Flamborough Sponge Beds 49.254 Hunstanton Formation 48.227-32; 50,289-304 Fleming Hall Formation 50,29 Hydraulic Limestone 39,532,534; 44.365 ff. Fleswick Anhydrite 50,179 Hydraulic Limestones 48, 127 Fleswick Breccia 50,180 Flinty Gravel 44, 131 Inconstans Bed 48,206-7 Foel Formation 46.57 Inferior Oolite 39,319-25; 40,56 Foel Gron "aplite" 39,48,52 Ingleton Group 44,68:46, 177 Ford Formation 47.294,314; 48.33-40.47-60.347 ff.; 50.144,146 Inoceramus Beds 39.414-6.418 ff.. 434 Fordon Evaporites 47.300; 50, 175 Fossil Sandstone 48, 149-62; 50.351 Jet rock 39.547-8 Foston Member 48, 130 ff. Jet Rock Member 45,56; 46,279-81 Four fathoms Limestone 45,68.79 Joan Coal 44, 39 Fox Cliff Siltstone Member 45. 106,110 ff. Foxdale Granite 39,95-7,101,103 Karroo System 38,470-81 Frizington Limestone Formation 50,38-9,41,44,45-7 Kellaways Beds 39,107-17:42,1-20.461-91.525-38; 46.235 Frodingham Ironstone 40.57,58; 46,236 Kellaways Beds 42.211-6 Kellaways Beds (Callovian), of Lithuania 39.119 Garnfor complex 39,34,37,44.55.56 Kellaways Clay 39, 107, 109. 111 Garsdale Limestone 44,63,65.87 Kellaways Rock 39.107-17.130,133-4; 40.289 ff. Gastrioceras cumbriense Marine Band 46,111 ff. Kellaways Sands 39,107-17, 120, 128,133 Gerritelva Sandstone Member 39.6.7.14,18-20,25,28 Kelso lava field 44.190 Girvunella Band 38,288-90; 40,615 ff. Kettleness Member 45,269-72 Glaisdale Ironstone Member 50. 131. 136,141 Kilburn Coal 44,40 Glanrafon Beds 38,527-32 Kilnsey Limestone 44,66 Glentham Formation 46,235,237,254 Kimmeridge Clay 40,1 ff.. 592 Gop Hill Limestone Formation 46,59 Kimmeridge Clay Formation 41.13 ff.; 46.39 ff., 97 II. 121 ff., 267.306- 47 Gordale Limestone 47,56 149 ff.. 321 ff.; 48, 197-208,259 Grain Beck Limestone 40,616 ff.. 626 Kinnerton Sandstone Formation 50, 175 Granby Member 48, 128 ff. Kinniny limestone 47,225 Grantham Formation 46.235,237 Kirk Stile Slates 46.371 Grassington Grit Formation 40.200; 50,337-8.349,350,351 Kirkham Abbey Formation 47,298:50, 175 Great Limestone 41,533-44; 43.69. 159-67; 45.68.74 ff.; 48,323 ff.; 49 Kirklinton Sandstone 50,59 71-4 Knipe Scar Limestone 39,573 Great Oolite Series 39. 110-1 Knockrushen Member 46,213-4 Great Sandrock 46.87-8 Great Scar Limestone 38,285-92; 40.41-7,199,192.200,563-5,613 ff. Landkey Formation 48,449 ff. Great Whinscale Dacite 48,393-408 Langness Conglomerate Formation 46.205-7.225 Grey Sandstone Member (Toarcian) 45.105, 110 ff Langport Member 47,140-1 Grey Shale Member (Toarcian) 45,55-6 Latterbarrow Sandstone 45. 123 ff Gristhorpe Member 39,528 Leagram Mudstone Member 48.173 ff. Gristhorpe Member 46,85-8,232-4; 48,65 ff.: 49,27 ff. Lebberston Member 39,530-3 Grosmont Pecten Beds 45,271-2 Leziate Beds 40,1,5.14-9 Downloaded from http://pygs.lyellcollection.org/ by guest on September 29, 2021

GENERAL INDEX 29

Lias, of Yorkshire 44,401 ff. Newcastle Group 38.329 ff. Lias 40,56,57 Newport Formation 49,60-2 Lias Group 45,51-7,99-108,109-22,261-75 Newton Manor Formation 50,31 Lias Group 48,121 -41,367-74; 50,305,311,312-4,315 Nidderdale Shales Formation 48,150; 50,345-7 Liddel Formation 40.135 ff. Northampton Sand 46,235,237 Lilstock Formation 48,367; 50,309-10,314 Northwich Halite Formation 48,16 ff.: 49. 176 ff. Limekiln Wood Limestone Member 48,170 ff. Limekilns Member 41,130 Ochr-y-foel Limestone 46,57-9 Lincolnshire Limestone 39,319-25; 40,56.57,115-8.419-29; 46.232 ff. Old Red Sandstone 40,241 ff.,463 ff., 560.594,595:45,135 Little Limestone 48,328 ff. Older Littoral Sand and Gravel 40,195-7,590,633 Littlebeck Anhydrite Formation 50,173 Older River Sand and Gravel 40,633 Llanbedrog granophyre 39,33,36,53 Oldstead Oolite 44,262 Llanrhychwyn Slates 38.520 ff. Onecotc Sandstone 40,58,59 London Clav 44,358 Ormskirk Sandstone Formation 50,53.57-8,63,65,68,71,72,73-4 Long Nab Member 45,293-8; 48,63 ff.; 49,34 ff. Osmotherly Seam 45,269 Longmore Sandstone 40,60,62 Overton volcanic neck 45,249-55 Longsleddale Member 45,299-300 Oxford Clay 40,289 ff.; 41.197 Low Baring Member 50, 131. 133.134-5, 138 Low Bright Coal 44,39 Paradoxka Bed. 43.102 ff. Low Coal 48,328 ff. Park End High Delf Coals 44.11,21 Low Estheria Band 44,37 Park Gate Member 48,450 Low House Sandstone Member 50.136,137. 138, 141 Parkfoot Formation 40, 199 Lower Border Group 40,129-80:50,157-69 Parrog Shales 49.57-60 Lower Brown Limestone 40,491 ff. Passage Beds (Upper Jurassic) 44,249 ff. Lower Calcareous Grit 40,292.293 Passage Beds Member 49, 155-68 Lower Crafnant Volcanic Formation 40,583 ff. Peach Quarry Limestone 38.611 ff. Lower Deltaic Series 39,547 Peach Quarry Limestone Member 48.169 ff. Lower Gypsiferous Series 39,2,4 Peak Mudstone Member 45,106,110 ff. Lower Haslingden Flags 46,112 Pecca Slates 40,200 Lower Ironscar 46.88 Pecten Ironstone Seam 45,266 ff.; 46,236 Lower Limestone Group 45,74 ff Peel Knowe Sandstone 49,273 Lower Magnesian Limestone 38,1-36; Peel Sandstones 46,225 Lower Rhyolitic Tuff Formation 40,584 ff. Penarth Group 47,29 ff., 139 ff.; 50,305,309-10.311.314 Lower Rookhope Shell Bed 46,154 Pendle Dendroid Bed 49,297 ff. Lower Yoredale Limestones 40,613-30 Pendle Grit Formation 50,335-7,349.350 Pendleside Limestone Formation 39,573,584; 47.56:48,176 ff.: 49,297 ff. Maen Amor Division 38,526-7 Penmaen Burrows Limestone 46, 11 ff. Magnesian Limestone 40,203.309 ff., 639 ff.; 42. 164 ff. Penny Nab Member 45,268-9 Maidland Tilestone 50,113,114. 115, 116 Penrith Brockram 40,53,54:49,346 ff. Maidlands Lower Marls 50,116 Phynis Mudstone Member 48,171 ff. Maidlands Upper Marls 50,115,116 Pilton Beds, Upper 44,188 Main Algal Formation 40,130 ff. Pilton Shales 48,447 ff. Main Limestone (Pendleian) 40.200; 46,23 ff. Pinskey Gill Beds 38,264 ff.; 39.158.554.573,576:42,345,351,357 Main Seam 45,266-74 Plenus Marls 48,235-6 Malton Oolite Member 39,228,231 ft. Poppit Formation 49,63-4 Mansfield Marine Band 38,299.328-9 44,33.40 Porcellanous Band 38,286.288 Manton Estheria Band 47,181 Portland Beds 40.1 ff., 18 Manx Group 39,95 ff. Poyllvaaish Formation 46,215-7,224 Manx Slate Group 46,205-7 Poyllvaaish Formation 48,102 ff. MarchupGrit50,345 Poyllvaaish Limestones 46,215-7 Marl Slate 40,203; 42.439-60:49.229-34 Preesall Salt 48,16 ff. Maristone 40,56,57 Prestatyn Limestone Formation 46,59-60 Marlstone Rock Bed 45,274; 46,236; 48,136 ff. Purbeck Beds 40,1,18 ff. Martin Limestone Formation 39,153,156-8,576.578; 50,38,42,43 Purple Till of Holderness 39.273; 40, 38,353 Mawddach Group 43,295 ff. Mell Fell Conglomerate 46,182 Queen Rocks Member 50,289-90,295,296 Melmerby Scar Limestone 40,206,615 ff. Mercia Mudstone Group (Keuper Marl) 44,133.139:48.1-22; 49.171-88: Rad Brook Mudstone Member 48,176 ff. 50.93,99.125-8,310-1 Rain Gill Limestone Member 48.174 ff. Middle Border Group 40, 132 ff.: 48,435-46 Raisbv Formation 47,292-3.314; 48,409-14; 49,215-27; 50, 143-54, Middle Coldwell Beds 39,170,460 245-53 Middle Crafnant Volcanic Formation 40, 585 Raisdale Seam 45.269 Middle Limestone Group 40.537-46; 45.74 ff.; 49, 135-48 Ravenscar Group 48,372 ff., 375-92; 49.23-40 Middle Marl, Permian 43,433 ff. Ravenscar Shale Member 41.209; 46,85-8; 48,61-74,383 ff. Middle Ord Sandstone 49,273 Ravenstonedale Limestone 38,264 ff. Middle Permian Marl 40,309 ff., 639 ff. Reading Beds 49. 149-53 Middle White Clay, Humberside 44,501 ff. Red Chalk 39,410-29,433 ff.; 40.2,593; 45,235-48:50,285-304 Middle White Limestone 40,491-7 Red Cliff Hole Member 50.292-3,294.297.298-9.300 Millepore Bed 39,527,530-2,549-50; 48,65 ff.; 49,27 ff. Red Hill Oolite 44,327 Miller's Dale Lava, Lower 44,343 ff. Red Scar Grit 50,345 Miller's Dale Limestone 44,343 Redbourne Group 46,237 Millstone Grit 40,432:49,11-22; 50,344 Redcar Mudstone Formation 45,53 Millstones (Toarcian) 46,281 Redcar Mudstone Formation 48,367 ff. Minn Sandstones 40,59,60 Redhill Limestone 40,200 Mintlvn Beds 40,1 ff., 10-4.16 ff. Redhouse Burn Limestones 40,330 Mirk Fell Ironstones 50.347 Refinery Breccia 50,180 Modellwg Coal 44,21 Roaches Grit 40.59; 43,39-67 Moel Hiraddug Limestone Formation 46,58 ff. Roeburndale Formation 50,339-42,348 Monsal Dale Limestones 44,159 Roker Dolomite 47,298,316 Moor Grit Member 45.293-8:47.349 ff.: 49.33 ff. Roker Formation 47,34 Moorside Farm Formation 50,27-8 Ronaldsway Member 46,209 Murton Crags Sandstone 49,274 Roosecote Anhydrite 50,179 Murton Dean Sandstone 49,273 Roosecote Mudstones 50,337 Mynytho riebeckite-microgranite 39.51.53,54.56 Rosedale Ironstone Member 50,131,133.135,138. 140 Mythop Salts 48,9 ff. Rossall Salts 48.6 ff. Rot Halite Member, Permian 43,341-6 Nant Bodlas soda-rhyolite 39,52-4,56 Rothlev Grits, quartz grains 42,223,225,227 Nantglvn Flags 39.452 Rotten Marl 47,304; 49,293-4 Newbridge Beds Member 39,228-9.235,257-60 Rough Rock 46, 112 Downloaded from http://pygs.lyellcollection.org/ by guest on September 29, 2021

30 GENERAL INDEX

Rownham Hill Coral Bed 40.623 Supercorallina Bed 46.97 Roxbv Formation 47,306-8 Surgill Shale Member 50,335-7,349.350 Roxham Beds 40,1.5-9.21 Swinton Middle Marine Band 46,120 Royalty Sandstone 49,273 Swynnerton Fault 50.196, 197 Rubble Hills Formation 48.451 ff. Sycarham Member 39.530.533-4 Runcton Beds 40.1 ff. Sycarham Member 49.26 ff.

Sabden Shale Formation 45.219-4; 50.342 Tarporley Siltstone Formation 49, 173 If. Saintoft Member (Ball Beds) 44.252 ff. Tawstock Formation 48,449 ff. Saleswheel Marine Band 50.335.339,341 -2,343,348.351,353 Teesside (Middle Evaporite) Group 39,328-9 Salthill Bank Beds 38.611 ff. Teessidc Group 47.33 ff. Salthill Cap Beds 38,611 ff. Teltfjellet Member 39. 7, 14-7.20.25-9 Saltwick Formation 39.528 31.534 Tenants" Cliff Member 44.252 ff Saltwick Formation 45, 277-92; 48. 67 ff.. 372 ff. Thorncroft Sands 46.232 ff. Sandbanks Limestone 45,68 Thornton Limestone Member 48,169 ff. Sandringham Sands Group 40.1-22 Thornton Mudstones 48,11 ff. Sandwick Member 46,209 Thorntonpark Sandstone 49,273 Scalbv Formation 39,529-30.534 Three Quarter Coal 38,236 Scalby Formation 40,289; 42.461; 45,293-8; 47.349 ff.; 48,63 ff., 387; 49,33 Three Yards Limestone 45,68,79 ff. Threequarter Coal 45.85 ff Scandal Beck Limestone 39. 158.573.576 Threlkeld Microgranite 40.211-22 Scarborough Formation 39,529-30.533-4.547 ff. Tiddeman's Breccia 47.56 Scarborough Formation 40,297 ff.: 46.85 ff.. 232-4; 48.221.375-92:49,31 Titterstone Clee Dolerite 48,92 ff. ft. 41-7 Tom Croft Limestone 44.65.88 Scarlett Point Member 46.214-5 Tongue House Member 48, 393 ff. Scarlett Volcanic Formation 46.219-23 Top^Anhydrite 47,308 Scout Hill Flags 46. 177-9. 182 Top Bright Seam 45,167 Scremerston Coal Group 40,597 ft; 44. 194; 45,74 ff Top Main Dogger 45,267-8 Scunthorpe Mudstone Formation 46.236:48.125 ff. Top Red Clay, Humberside 44,501 ff. Sea Mount Member 46.214 Topley Pike Member 45,225-33 Seafield Tower Limestone 47,225 Townend Olive Slates 38,108 Seaham Formation 47.33 ft, 302 Treeton Rock 38,303-4 Seaham Residue 47.34 Trefor Limestone Formation 42,320 Seascale Hall Member 50.27,28.29.34.35 Trefrivv Mudstone 38.520 ff. Second Abden Limestone 47.225 Trenchard coals 44,11 Sella Park Member 50,31,34 Trikolorfjellet Member 39,7.11-4. 16.17.25-8 Sewerbv Member 49,246 ff. Trow Point Bed 50.147 Shap Granite 40.221; 42,297-305; 44,441 Turkeyland Member 46,207-9,225 Sherburn Anhydrite Formation 47.306 Twenty-five Foot Drift 40,633 Sherwood Sandstone Group 50.51-9.61-74.99,125-8 Twistleton Scars Limestone 40,200 Shotto Wood Limestone 40,329 Twiston Sandstone Member 48, 175 ff Shotto Wood Limestone 45,46 Two Foot Seam 45,269 Shoulder O'Craig Vent 46.33 ff. Ty-nant Limestone Formation 42,320; 44.66 Singleton Mudstones 48,6 ff. Tynebottom Limestone 46. 133 Skegness Clay 40.499-503 Skiddaw Granite 39.365 ff; 40.220,221:44,441 UdaleCoal46.119 Skiddaw Group 40,207,211 ff; 45,123 ff.; 46.177-9,182.371; 47,267 ft, Upgang Formation 39,329; 47,306 325 ff.; 50,12,13.16.18.22 Upper Border Group 48,435-46 Skillicore Member 46.209-10 Upper Brockram 39.69,70 Skipsey Till 47,21 ff. Upper Calcareous Grit Formation 39,229.256 ft; 46,97-100, 104 Sleights Siltstone39.329 Upper Coal Measures 38,329-43; 39.487-514 Sleights Siltstone Formation 47.306 Upper Coplaw Shales 38.611 ff Smiddy Limestone 40,206 Upper Cornbrash 40.290 ff. Snape Sandstone Member 39.228-9,235.256 ff. Upper Cromhall Sandstone 39,573; 40.623.624 Sneaton Halite Formation 47,306 Upper Estuarine Series 46. 232, 235 Snettisham Clay Member 40,1.2, 16-8 Upper Grev Limestone 40.491 ff Snowdon Volcanic Group 40.582 ff. Upper Hasiingden Flags 46. 112, 165 Solnhofen Limestone 47,149-50 Upper Hirst Seam 45.249-59 South Barrule Granite 39,96-100. 103 Upper Ironscar 46, 88 South Landing Member 49.240 ff. Upper Kimmeridge Clay 49,207-14 South Ord Sandstone 49.274 Upper Limestone Group 45,74 ft: 46.153:49,11-2 Spaunton Sandstone Member 39.228-9.235.257-60 Upper Magnesian Limestone 47,33 ff. Speeton Beck Member 50.290-1,295.296 Upper Rookhope Shell Bed 46,154 Speeton Clav B Beds 39.89-91 Urmstonfjellet Limestone Bed 39,7. 16 Speeton Clav Formation 38,381-424:39.411 ft, 433-4,437; 40, 18,181-90, Urswick Limestone Formation 47.345 ft; 50,39,42.43,44 499 ft; 42, 21 -7, 195-209; 44,205:46,39 ff, 100 ff, 123 ft, 306-7; 47, 32 ft; 48,255-64.421-34.461-2; 49,129-34:50.294-6 Vincent House Member 45.225-33 Speeton Shell Bed 44,315; 48.223-6,463-5; 49,325-34 Spilsby Sandstone 40,6,10,22 Warley Wise Grit 50,349,350 Spindle Thorn Limestone Member 46,87-8:48,383 ff. Waterstones Formation 48,6 ff. Sprotborough Member 46.290 Waterswallows Sill 39.61; 44.341-54 Spurlswood Shell Bed 46,119 Weald Clay 40.1,5, 18. 19 St Bees Evaporite Formation 50.78,81. 178, 179 Wealden Group 40,18 St Bees Sandstone 40.53,55; 49.346 ff. Weardale Granite 40. 191. 193, 194:44.77. 185.190.481 St Bees Sandstone Formation 50,53-6 Weather Castle Member 50.292,294.296-7,298-9 St Bees Sandstone Formation 50.61-2.64,65.66.70-3,80.82,83,85.86, Weissliegendes sandstone 44,499,500 87.103-4. 105,107.108,109,112, 175,209,210 Welton Chalk Formation 42,272-4 St Bees Shale Formation 50,64.65.68. 72,78,81,82.83,86,179 Welton Formation 48,227-54 Staintondalc (Upper Evaporite) Group 39,328-9 Welton Gravels 41,80 ff. Staithes Sandstone Formation 45,53-4.262-74.262 5 Wensleydale Granite 40,191 -4; 44.59,71,76.481 Staithes Sandstone Formation 48,371 ff. Wensleydale Group 47,56; 50,344,350,351 Station Quarrv Beds 48.189-96 West Nook Marl 50.4,113.114,115.116 Steel Fell diabase 40,413 ff. Westbury Formation 47,29 ft, 139-40; 48.367; 50,310 Stenkrith Brockram 40,53,55 Wetherby Member 46.290 Stile End Member 45.299-300 Whicham Blue Slates 38, 107 8 Stockdale (Yarlside) Rhyolite Member 45,299-306; 46,80-1; 48,405-6 Whin Sill 38,84,86-8; 39,61-7,175-7; 40,105-14.203,206-7, pi. 12-43.9; Stockingford Shales 39,300 44.109-18; 45,1-10.45-9; 47, 1 ft. 249 ff. Studfold Formation 39,447,452,460-2 Whita Formation 40. 134 ff. Sulphur Band (Pliensbachian) 45.272 Whitby Mudstone Formation 45,55.99-108,109-22 Downloaded from http://pygs.lyellcollection.org/ by guest on September 29, 2021

GENERAL INDEX

Worston Shale Group 48,163-87 Wych Mudstone Formation 49.177 ff.

Yard Coal 44,39,40 Yarlside Rhyolite 45,299-306 Yellow (Basal Permian) Sands40,203:45,11-8;47.292.31 Yellow Sandstone Member (Toarcian) 45.105, 110 ff. Yew Grain Member 50,131.133-4, 138, 140 Yons Nab Beds 39,527,530-2,549-50 Yoredale Beds 40.563 Yoredale Group 39.555-8, 573,592 Yoredale Limestones 40,319-34, pi. 23:613-30, pi. 51 Yottenfews Formation 50,31,34 Younger Glacial Sand and Gravel 40,631 ff.

2.4. NEW TAXA

new species unless otherwise stated.

Namuropyge glaphyra 47, 170 Neoraistrickia variabilis SO, 161, 163, 168 Nerlhcbrochus nosetrapensis 50, 302 Pabulum spathiformc gen. et sp. nov. 41,5,12-13 Palaeoloxodon antiquus 41,94-5 Palmerhytis bunnahonensis 46. 7-8 Palmerhytis stebdenensis 46,6-7 Parahabdolithus reightoncnsis 42,200.208-9 Parhabdolithus stubbingsii 38. 394-5 Percivalia imperfossa 38.416 Perissocyclus fenestratus, comb. nov. 38.406 Perissocyclus fletcheri 38,406 Perissocvclus gen. nov. 38,405 Perissocyclus no'lac 38,405-6 Piltonia paucita 47, 171 Podorhabdus septentrionalis 38,407-8 Polypodorhabdus paucisecius 38,408 Praeoxytcuthis danfordi 49, 132 Pseudodictyonema hevi 49,314-5 PSEUDODICTYONEMIDAE fam. nov. 49,308

Retecapsa angustiforata 38.409 Retecapsa brightoni 38.409 Retecapsa gen. nov. 38,409 Retecapsa levis 38,410 Retecapsa neocomiana 38,410 Retroplcxus cravenensis 47,77 Retroplexus gen. nov. 47,75 Retroplcxus parkhousensis 47,75 Rhabdolithina ampla 38.418 Rhabdolithina clavulus 38,417 Rhabdolithina excavata 38,418 Schopfites claytonii 50,161,164,168 Selenichnus hundalensis 46, 91 ff. Sinuatella johnsoni 47,85 Siphonodendron multiradiale 46,297 ff. Siphonodendron scaleberense 46,295 ff. SOLLASITACEAE fam. nov. 38,411 Sollasites arcuatus 38,413 Spathognathodus 43,175, 177 Speetonia colligata 38,413 Speetonia gen. nov. 38,413 Speetonia nitida 38.414 SPEETONIACEAE fam. nov. 38,413 Staurolithites fibrosus 38,419-20 Staurolithites rectus 38,419 Stelechocladia ubaghsi 49,307-8 STELECHOCLADIIDAE fam. nov. 49.307 Stipulina tiddemani 47.81 Stradnerlithus comptus 38,415 Stradnerlithus gen. nov. 38, 414 Sychnoelasma hawbankense 47. 158 Synprioniodina 43, 174-5, 178

Tenaspinus gen. nov. 50,120-2 Tenaspinus smarti 50, 120-3 Tetrapodorhabdus coptensis 38,411 Tetrapodorhabdus gen. nov. 38,410 Tetrapodorhabdus hunmanbiensis 38,411 Vitiliproductus robertsi 47, 17 Vitiliproductus wedbcrensis 47,16 ?Weltrichia 45,284 Xaniopyramis linseyi 46, 161 ff. Zygodiscus reticulatus 38,420 Downloaded from http://pygs.lyellcollection.org/ by guest on September 29, 2021

32 GENERAL INDEX

2.5. SOCIETY BUSINESS

Annual Reports Parkinson, D. 40,578-80 Pinfold. E. S. 38,296-7 No annual reports ware published for the vears 1981 to 1984. Smart. J. G. O. 49, 169 1969 38, 155-63 1970 39.347-52 Smith. E. G. 48.466 1971 39,353-64 1972 39.559-66 Sylvester-Bradley P. 42,315 1973 40, i 19-28 1974 40.567-80 Taylor, R. K. 47,179-80 1975 41,49-58 1976 41,293-303 Turner. J. S. 45,138-9 1977 42.307-16 i 978 42.539-45 Versey.H. C. 48,345 1979 43.191 -9 1980 43.457-63 Wilcockson.W. H. 41.302 1985 46.83 1986 46.381 Woodland. A. W. 48,345-6 1987 47.89 1988 47.277 1989 48.115 1990 48.339 Field Meeting Reports 199149.75 1992 49.263 1993 50.185 1994 50.267 Berwick-upon-Tweed 40, 593-600 Bewcastle41.166 Society Activities Borrowdale volcanics 46,170-2 Boulbv Mine 43,399 1987 47.89-90 1988 47,279-80 Cheviot Hills 44,207-9 1989 48.117-8 1990 48,342 Coal Measures of Cumbria 48,119-20 199149,75 1992 49.263 Cow Green Reservoir 40, 202-5 1993 50. 188-9 1994 50, 269-70 Derbyshire 43,409 150th Anniversary celebrations 47,96-102 Derbyshire-North Staffordshire borders 40.58-62 Conference Report. Leeds. September 1987 47.91-2 Durham 43.467 Durham Coalfield 40,202-5 Edale, Derbyshire 38,433-5 Awards Flamborough 43,29 John Phillips Medal Flasbv 43,32 Broadhurst.F. M. 44.375 Hambleton Hills 44,213-6 Calver. M. A. 42,542 Harlech Dome 42.185-8 Downie, C. 43.459 High Hill and Langcliffe area. Settle 44,211-3 Eaaar.R. M.C. 39.352 Holderness 41,374 Francis, E. H. 45.140 Humberside south 40,586-93 Leeder.M. R. 48.343-4 Ingleton and Austwick 40. 199-202 Mitchell. M. 49,266 Isle of Man 45.133-6 Neale.J.W. 46.291 Keilder Water 42,191-3 Ramsbottom, W. H. C. 39,562-3 Kirkcudbrightshire 38,425-8 Rawson.P. F. 50.269 Knaresborough 43.36 Rickards. R. B. 47.281 Lake District 41,163:43,395 Smith, D. B. 40.572-3 Langholm 41. 166 Lincolnshire, central and north 40.56-8 Sorbv Medal Llanrwst 38,68-72 BotLM. H. 44.216-7 Lower Oxfordian of North Yorkshire 45.132-3 Francis, E. H. 45,140 Mendip Hills 41,171 Goossens. R. F. 48.343 North Devon 43,465 Hemingwav. J. E. 38, 158-9 North-east Yorkshire (150th anniversary) 47,105-6 House, M. R. 46,82 North Yorkshire Moors 43.399 Kent. Sir Peter 40.122-4 Northern Pennine orefield 43,406-9 Moselcy.F. 47.280-1 Peak to Gristhorpe Bay, North Yorkshire 39,547-51 Penny. L. F. 43, 194 Pemian of Yorkshire 46,289-90 Raistrick.A.39,357-8 Permo-Triassic rocks of Ripon area 44,209-11 Ravner. D. H. 42.310 Roaches and Stanton Syncline 41.370 Smith, D. B. 49, 77 Scarborough (beginners' mapping class) 46, 172-3 Stewart, Sir Frederick 41.52 Scarborough 43,470 Whitham. F. 50, 187-8 Sedbergh and Cautley 39,551-4 Settle 43,32 Fearnside Prize Shap Wells 45, 131-2 Cooper. A. H. 43.195 Skipton Anticline 41,168 Farrow, G. E. 38. 159-60 Slaidburn 43,467 Howard. A. P. 44.217 Snowdonia. north-east 40,581-6 McCabe.J. 40,124-5 Staithes 43,399 Metcalfe, 1.41.53 Stamford and Oakham 38,61-5 Nudds,J. R. 42,310 Swaledale and Arkengarthdale 42. 188-91 Powell,! H. 43. 195 Tyne and Wear 43.467 Turner. N. 48. 344 Ulverston 38,429-33 Vale of Eden 38,72-4 Moore Medal Vale of Eden 40,53-6 Kirbv.J. G. 50,269 Vale of Pickering (Corallian of) 40.207-10 Mitchell. S. F. 48.343 Wensleydale. upper 39,555-8 Pickup, A. 49,266 West Cumbria 43,403; 48,119 Thompson. J. 48,344 West Cumbria hematite ore field 45,137-8 Toy, J. 49. 78 Whitby 41,367 Vincent, S. J. 47,281-2 Waikland. R. W. 50.188 Reports were discontinued from 1990. The locations of field meetings are recorded as follows: Obituaries 1990 48,118-9,342 1991 49.79 Bisat.W. S. 40.49-51 1992 49.267 1993 49,189 Dagger, P. 47,282-3 1994 50.270 East wood. T. 38.295-6 Francis, E. A. 49,79 Volume Indexes Gowing, G. S. 45.309-10 Kent, Sir Peter 46. 173-4 38,639-43 39,609-17 40.653-61 Johnson,T. F. 47.179 41,545-8 42,627-30 43.483-5 Lamming. P. D. 45.309 44,519-27 45,311-4 46.382-5 Melmort-. S. 38.296 47,355-7 48,467-70 49,354-7 Moore, E. W. J. 39.359-60 50,357-6