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Bedrock Geology UK Long 8° 30’ 7° 30’ 6° 30’ 5° 30’ 4° 30’ 3° 30’ Long Long 30’ Long 13° 30’ W 45 4° 30’ W 75 90 2° 00’ W 1° 00’ W 75 2 000m 2 000m 3 000m 4 000m 04 0 5 0 6 0 7 0 8 0 9 10 1 1 12 13 14 15 16 17 18 19 2 0 2 1 2 2 2 3 24 2 5 2 6 2 7 2 8 2 9 3 0 3 1 3 2 3 3 34 3 5 3 6 3 7 2 5 2 6 2 7 4 0 4 1 4 2 4 3 4 4 4 5 4 6 4 7 9 000m 90 D2 990 000m 1030 000m 1030 000m D3 1220 000m 1220 000m CP D2 A1 NORTHERN G SD ROCKALL X8 CP SULE SKERRY SHETLAND EO 9 8 9 8 10 2 10 2 S1 A1 X5-6 12 EO 12 Lat 1 1 Lat STACK SKERRY 1:625 000 Scale Lat 59° 00’ N Lat 57° 30’ N D3 58° 30’ N E1-2 59° 00’ N F X5 F CP 131 Lat X1 130 EO 9 7 9 7 1010 000m 1010 000m 57° 30’ N F MOINE THRUST (MT) OS 45 2 5 2 6 2 7 75 X X4 S1 BEDROCK GEOLOGY UK NORTH E3 12 12 A2 X1 SD 2 000m 2 000m 0 0 LEWIS & HARRIS D2 X X1-3 X F D2 Long 113 OS SD CP Long D2 SD EO 13° 30’ W (North) 1:100 000 Z X1 Y1 116 4° 30’ W X D1 D1 SD A3 A1 Z X D1 F OS D1 X1-3 EO (North of National Grid Line 460 km N) 9 6 OS 9 6 Z E3 A1 129 S1 CP SD X A1 X X4 Long E1-2 X1 115 Lat Long 119 119 114 SD SD 00 8° 30’ W A1 58° 30’ N 60 6° 00’ W 90 X1 OS OS X5-6 0 000m OS 1 000m 1 000m 5th EDITION Z LINE OF SECTION OS SD X1-3 0 0 0 SD X1-3 D2 1 1 1 2 3 D1-3 7 8 SD SD X 9 5 X 9 5 1040 000m 1040 000m A1 A1 Z X OS X4 Geological interpretation and map compilation by J D Floyd, R Addison and D Reay. The copyright of materials derived from the British Geological X1 A1 X1-3 SD A1 Z A1 A2 F E1-2 118 SD 118 Geological cross-section compiled by A G Leslie. Survey’s work is vested in the Natural Environment Research Z X CP Lat SD X1-3 X X1-3 A2 SD Lat Data preparation by A H Myers and P Turner. Council (NERC). No part of these materials may be reproduced 107 X SD A1 60° 30’ N A2 60° 30’ N X X1-3 X1-3 X1-3 A2 A2 SD D1 RONA A1 SD A1 SD Digital cartography by J W Arbon and I L Cooke. or transmitted in any form (analogue or digital) or by any means, Z SD A1 A3 X1 SULA SGEIR A Smith, Project Manager, Digital Geological Map of Great Britain. or stored in a retrieval system of any nature, without the prior 9 4 9 4 10 3 10 3 X6 A3 OS D1 SD SD X4 OS X4 M Smith, Chief Geologist, Scotland. G Earls, Director, Geological Survey of Northern Ireland. permission of the BGS Intellectual Property Rights Manager Z A1 D1 X6 PT Z Z A1 SD 117 SD 117 A2 A2 Z ASSYNT X1 A1 E1-2 M K Lee, Director of Geology and Resources. (British Geological Survey, Kingsley Dunham Centre, Keyworth, Z Z X CP Published 2007. John N Ludden, PhD. Executive Director, British Geological Survey. Nottingham, NG12 5GG. Telephone 0115 936 3381). www.bgs.ac.uk A1 A2 E3 109 X X5-6 X5-6 A1 SD Lat A1 SD OS 108 59° 00’ N SD X6-7 F SD OS SD X5-6 Coastline © HarperCollins Publishers Ltd 2005. www.collinsmaps.com BGS © NERC 2009. All rights reserved. F Y3 X OS 110 E1-2 9 3 Z A1 F SD X1-3 9 3 1020 000m 1020 000m SD X X1 SD Z X1-3 SD X4 SD Z X 60 90 X6-7 Z OS X 17 18 SD X5-6 Z A2 SD Lat 11 SD X6-7 OS 11 1 000m 1 000m 6 SD 6 A1 59° 00’ N Z2 X1-3 OS X6 E1-2 A1 F Z X X1-3 X1-3 Long OS A2 Z SD SD OS X 6° 00’ W SD 58° Z A1 D1 SD SD OS SD D1 X6-7 9 Z SD 9 2 F X1 OS SD 2 D2 X4 INDEX AND EXPLANATION X D1 CENTRAL E1-2 SD X 2° 30’ 115 SD X6-7 115 LEWIS & HARRIS SD A1 D1 X8 SHETLAND Z Y3 A1 X1-3 OS (South) 1:100 000 Z Z SEDIMENTARY and METAMORPHIC ROCKS X A1 SD SD X6-7 Z F X1 Z X X D2 A1 A2 E1-2 X X1-3 3 8 3 9 4 0 4 1 4 2 F OS F Z X 9 1 A2 X 9 1 Z A1 E3 E1-2 A1 SD WESTERN ERA PERIOD EPOCH/AGE REGIONAL VARIATIONS X SD D2 Z2 D2 D2 F A1 114 D2 SHETLAND 114 G Z A1 101 102 SD X1 Million Z J4-6 103 Z SD Years Y3 X1 SD SD SD X6-7 NEOGENE Miocene N Buchan Gravels Formation A1 D1 58° 23 N G A1 J1 9 A3 A2 Z X J1 J2-4 9 X6-7 0 G X PT 0 Eocene - A1 CENOZOIC PALAEOGENE G Lough Neagh Clays Group X1 X8 Oligocene G E3 X1 113 113 65 G NORTHERN IRELAND Cretaceous to F SD SD SD KG Z1 A3 Z A2 X1 X Palaeogene rocks A2 91 X Ulster White Limestone and Hibernian Z X X K6 White Chalk Subgroup chalk with flints K6 A1 X X SD X8 Greensands formations, undivided J1 X1 D3 60° Chalk Group Z 60° X K5 Grey Chalk Subgroup clayey chalk 8 9 8 9 D2 Z A1 Z X CRETACEOUS Z Z X1 GREAT GLEN FAULT (GGF) X6-7 Z1 X1 112 112 K K4 Hunstanton Formation red chalk A2 A3 Z PT E1-2 SD A2 A3 X1 X Z F K2-3 Speeton Clay Formation mudstone MT X SD Z Y3 X SD 146 A1 G D2 X6-7 D2 SOUTHERN 8 A1 Z 90 Z A1 92 8 8 G 8 J6 Kimmeridge Clay and Ampthill Clay formations X SHETLAND Late Z PT Z D3 D2 11 1 111 X3 X6-7 Jurassic Corallian Group Upper Jurassic rocks, undifferentiated (J4-6) Z Z J4-6 G Z J5 Z X1 D1 X1 95 limestone, sandstone, siltstone and mudstone Z1 J4-6 93 94 D3 MESOZOIC Oxford Clay, Kellaways and Osgodby Clay fms Z J2-4 X1 96 JURASSIC J4 F A1 X Mid mudstone, locally sandy 8 A2 A2 8 J 7 A1 G 7 Jurassic Dogger Fm, Ravenscar Gp and Cornbrash Fm Middle Jurassic rocks, undifferentiated (J2-4) Z1 X1 J2-4 X1-3 J1 X6 X J2-3 J4-6 PT X7 11 11 sandstone, limestone and ironstone A1 A1 X D1 0 0 30’ A3 G D1 Z G J2-4 G SD D1 X5 Early J1 Lias Group mudstone and limestone G G X2 PT D3 OS Jurassic A1 A2 X2 D1 200 X2 X3 J4-6 D2 OS 97 Z G X1-3 Mercia Mudstone and Penarth groups A2 J2-4 Z E1-2 T2 8 F A1 X2 OS D1 8 mudstone with siltstone and evaporite 6 J2-4 X OS 6 G D1 X OS TRIASSIC Z D3 10 10 A1 Z Z X7 9 9 T T1 Sherwood Sandstone Group A2 J2-4 J2-4 G G G X D2 D2 X7 251 D3 X6 X6 D1 X7 X7 SD G F X7 SD Cumbrian Coast and Zechstein groups New Red Sandstone Supergroup A1 A1 SD P3 G PT A2 OS X5 X D2 OS mudstone (excluding Zechstein and Belfast groups) A3 G D2 X5 CP Z OS N X7 Zechstein and Belfast groups 8 5 A2 G 8 5 PERMIAN 80 X1 X2 X5 OS P2 limestone, dolostone, evaporite and mudstone G G X1 A1 X1-3 X X6 P J2-4 G SD X2 OS 87 10 8 108 Appleby, Stewartry, Enler and Rotliegende gps Stainmore Fm 81E 83 OS X8 OS OS P1 C4 G J1 82 A1 85 SD D2 CP 30’ sandstone, conglomerate and mudstone mainly sandstone Yoredale Group F PT SD X CP 299 NORTHERN ENGLAND X1 X1 84 OS OS mudstone, siltstone, G G OS SD C3 Alston Formation A3 SD E3 A2 X OS sandstone and Warwickshire Group A2 G X1 X2 X2 86 OS C8 X X6 OS N X7 CP limestone sandstone, siltstone and mudstone 8 G J1 N 8 D2 C2 Tyne Limestone Fm 4 81W F X2 SD SD SD SD 4 UIST & BARRA G CP CP OS C7 G X2 N 10 000m Upper X1 SD A1 OS X1-3 OS 70 1070000m Pennine Coal Measures G G SD X X5 Westphalian Coal Measures Group (North) 1:100 000 PT X1 X8 C5-8 Group A1 Z X2 SD GGF SD Lat Lat X1 4 C5-7 coal-bearing mudstone, C6 A2 A2 F SD X3 SD X7 OS Middle X2 90 75 SD X 59° 30’ N 4 0 4 1 4 2 4 3 4 4 4 5 4 6 4 7 59° 30’ N NORTHERN IRELAND coal bearing mudstone, SD SD X1-3 X1-3 OS X CP X siltstone and sandstone 3 000m X1-3 X8 000m A1 X2 OS OS siltstone and sandstone X1 A2 X1 CP C5 Slievebane Group C5 Lower 8 3 G J4-6 OS 8 3 Z A2 G CP OS Long Long CARBONIFEROUS UIST & BARRA G X6 Clackmannan Group C4 Kilskeery Group Millstone Grit Group G J1 G CP 2° 00’ W 30’ 1° 00’ W C Namurian C4 G X2 OS OS OS C3-4 sandstone, siltstone, mudstone, mudstone, sandstone and siltstone (South) 1:100 000 G G D1 X1-3 OS X6 X X C4 Leitrim and Ballycastle groups G PT SD A3 A1 X1-3 limestone and coal Craven and Bowland High groups F X1 X1 X2 X3 X6 CP G G X1 X2 X3 C3 Armagh Group C3 mudstone and siltstone with limestone A3 J2-4 J1 G G A3 SD Long Strathclyde Group G G G X1 72 X8 X8 3° Long Visean G SD X2 X2 SD OS D1 OS OS C2 C2 Great Scar Limestone and Border gps SD 05 90 G G SD G X8 3° 30’ W 2° 30’ W sandstone, siltstone and oil-shale C2 Tyrone and Carlingford limestone groups C2 8 2 G G SD X SD SD D1 8 2 limestone, sandstone and mudstone G G X1-3 SD 3 000m 3 000m A3 SD SD SD SD 70 G E3 PT G X1 X1-3 G G X1 X6 Inverclyde Group Omagh Sandstone, Roe Valley, Holywood Inverclyde and Ravenstonedale gps J4-6 SD X7 X7 3 1 3 2 3 3 34 3 5 3 6 3 7 3 8 Tournaisian C1 C1 C1 A1 A2 X1 X X3 SD 75 D1-3 359 sandstone, cementstone and limestone and Owenkillew Sandstone groups sandstone, limestone and mudstone E1-2 G SD SD OS OS 1060 000m 1060 000m F X1 E3 X1 MT SD OS 76 Late G SD X2 74 OS 77 D3 Upper Old Red Sandstone (Stratheden Group) Upper Devonian sandstones 71 X7 X7 Devonian D3 G X1 SD 73 X5 SD D1 (including Mell Fell Conglomerate) J2-4 G X1 SD SD X1-3 OS X5 X7 SD Mid 57° 8 G G G X1 X6 SD 8 1 D2 Middle Old Red Sandstone (Fintona Group) 1 A3 X2 X5 D1-3 Devonian NORTHERN MIDLAND VALLEY Old Red Sandstone A2 X2 SD ORKNEY D2 ISLE OF MAN X2 X2 X SD OS OS DEVONIAN Supergroup X OS G G A1 X1 SD D1-3 SD 1:100 000 D D1 Strathmore Group sandstone, siltstone, D2 D1-3 Lower Devonian sandstones G Y2 SD SD 10 10 Early D1 G SD SD SD 5 5 mudstone and PT X1 X1 SD X6 SD X7 Devonian D1 Arbuthnott - Garvock Gp (Peel Group) G SD D1 Lower Old Red Sandstone (Fintona and conglomerate X2 X SD PALAEOZOIC G G G SD X SD 416 Cross Slieve groups) G G X2 X SD X1-3 SD D2 D1 Dunnottar - Crawton Gp LAKE DISTRICT G X1 X2 X OS 8 0 X1 A1 X SD 8 0 A1 X1 X1-3 SD Pridoli Kirkby Moor Formation G F F X S3-4 Stonehaven Group G G SD SD CP S3-4 sandstone and siltstone 60 X2 X1 X1-3 SD D1-3 SD SD OS A2 G G SD SD X7 SD X1 OS 10 D3 D2 10 Ludlow Coniston Group G A1 X5 SD OS 4 4 S3 CP X2 SD X6 OS wacke Windermere G X SD SD X D3 SILURIAN G G J1 G X1 CP X5 X7 OS Wenlock S2 Riccarton Group Supergroup F OS SD X SD S wacke and siltstone; G J2-4 61 X1 G SD 63 64 (including 7 9 A1 SD 7 9 57° CP S1-3 mudstone and wacke X1 X1 X2 X2 SD SD S1 Hawick Group S1-2 in Midland Valley SHETLAND Dalby Group, OS CP 62 D1-3 X6 OS SD S1-2 SD X HIGHLAND BOUNDARY FAULT (HBF) D2 Llandovery and Northern Ireland Isle of Man) SD O1-2 S1 Gala Group G X3 X5 X5 SD 444 S1 Unst Phyllite Group G X1 SD CP OS X7 10 3 CP D2 D2 10 3 SD X6 OS S3-4 Shinnel and Dent Group CP X8 67 D3 Ashgill O5 O5 A1 G G X2 SD SD D1 SD Glenlee formations Scaur Leadhills Supergroup mudstone and sandstone G SD X3 SD SD
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