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A wide range of superficial deposits have been laid down across the county in the last couple of million years. Lincolnshire was over-ridden by glacial ice on at least one occasion, that of the
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British
Geological Survey 1:50,000 scale geological map series sheets (England and Wales) 80 - 81, 88 - 91, 102 -104, 114 -116 & 126 -129, 143 - 145, 157 & 158 and accompanying memoirs.
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ice heading south penetrated inland as far as the eastern slopes of the
Lincolnshire Wolds and into the embayment of The Wash. A further tongue of ice advanced southwards from the
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234:. Glacial sands and gravels occur in places along the eastern margin of the Wolds. There are extensive spreads of river, estuarine and coastal
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groups occur in the northwest of the county and along its western border but are generally concealed beneath a thick cover of recent deposits.
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63:, obscured across large parts of the county by unconsolidated deposits dating from the last few hundred thousand years of the present
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groups which comprise a mix of limestones, mudstones and sandstones and then the late
Jurassic mudstones, limestones, sandstones and
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Period occur within a broadly north-south outcrop which tapers markedly northwards from
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The oldest rocks exposed at or near the surface of
Lincolnshire are the
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126:. The lowermost and most westerly are the early Jurassic mudstones and
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rivers whilst river terrace sands and gravels are widespread around
262:, in the Trent valley and towards Lincoln, along the course of the
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limestones, mudstones, sandstones and siltstones which occur from
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across much of the county. In the course of the more recent end-
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along the North Sea Coast and around the Wash as far inland as
30:. Besides the modern administrative county, it includes the
358:
British
Geological Survey 1:625,000 scale geological map
345:
British
Geological Survey 1:625,000 scale geological map
230:
into the northwestern corner of the county as far as the
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largely consists of an easterly dipping succession of
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202:coast but is obscured along the coastal margin.
242:in the south and roughly along the line of the
246:. Alluvium also covers the flat floors of the
178:in a band which narrows northwestwards to the
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8:
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360:Quaternary Map of the United Kingdom South
158:is formed by the Oolite Group limestones.
134:, overlain in turn by the middle Jurassic
294:is common around the fenland margin from
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282:and inland across an area centred upon
186:above them, are the sandstones of the
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90:. Rocks from this and the overlying
657:Geology of Yorkshire and the Humber
298:to the Cambridgeshire border near
290:and west to the Yorkshire border.
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286:but extending southeast beyond
278:. Areas of blown sand occur at
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312:Geology of the United Kingdom
647:Geology of England by county
18:This article describes the
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106:A range of rocks from the
642:Geography of Lincolnshire
182:area. To their east, and
170:sequence begins with the
652:Geology of East Midlands
347:Bedrock Geology UK South
194:which gives rise to the
88:Sherwood Sandstone Group
49:geology of Lincolnshire
40:North East Lincolnshire
606:West Midlands (County)
244:South Forty-Foot Drain
188:Lower Greensand Group
152:West Walton Formation
190:and beyond them the
114:to the banks of the
198:and extends to the
486:Greater Manchester
400:Geology of England
349:5th Edn. NERC 2007
317:Geology of England
212:Anglian glaciation
196:Lincolnshire Wolds
36:North Lincolnshire
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184:stratigraphically
61:sedimentary rocks
32:unitary authority
24:ceremonial county
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541:Northamptonshire
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551:Nottinghamshire
481:Gloucestershire
426:Buckinghamshire
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323:Further reading
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232:Isle of Axholme
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176:Gibraltar Point
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150:and succeeding
148:Corallian Group
136:Inferior Oolite
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92:Mercia Mudstone
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431:Cambridgeshire
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276:Market Deeping
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576:Staffordshire
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506:Isle of Wight
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501:Hertfordshire
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496:Herefordshire
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446:County Durham
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362:1st Edn. 1977
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266:and south of
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172:Wealden Group
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83:of the early
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601:Warwickshire
526:Lincolnshire
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416:Bedfordshire
359:
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346:
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288:Market Rasen
260:Woodhall Spa
228:Vale of York
216:glacial till
209:
165:
156:Lincoln Edge
140:Great Oolite
124:Winteringham
105:
74:
48:
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28:Lincolnshire
17:
596:West Sussex
556:Oxfordshire
471:East Sussex
214:which left
51:in eastern
636:Categories
566:Shropshire
531:Merseyside
516:Lancashire
456:Derbyshire
333:References
284:Scunthorpe
280:Donna Nook
264:River Slea
206:Quaternary
168:Cretaceous
162:Cretaceous
144:siltstones
132:Lias Group
128:limestones
77:sandstones
65:Quaternary
621:Yorkshire
611:Wiltshire
491:Hampshire
421:Berkshire
224:North Sea
222:ice age,
220:Devensian
200:North Sea
81:mudstones
34:areas of
571:Somerset
441:Cornwall
436:Cheshire
408:Counties
306:See also
300:Crowland
270:through
268:Sleaford
256:Ancholme
240:Crowland
236:alluvium
112:the Fens
108:Jurassic
102:Jurassic
85:Triassic
71:Triassic
67:Period.
57:Mesozoic
581:Suffolk
561:Rutland
536:Norfolk
451:Cumbria
180:Caistor
146:of the
130:of the
120:Whitton
118:around
96:Penarth
53:England
22:of the
20:geology
586:Surrey
466:Dorset
296:Walcot
272:Bourne
252:Witham
116:Humber
476:Essex
461:Devon
248:Trent
192:Chalk
511:Kent
292:Peat
254:and
166:The
138:and
122:and
94:and
79:and
59:age
47:The
38:and
274:to
26:of
638::
302:.
250:,
154:.
392:e
385:t
378:v
42:.
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