206:
330:(Kirkaldy p. 59). Much of it also contains marine shells, notably of oyster. Subsequently, the site was submerged less deeply so that the overlying Blisworth Clay was deposited in brackish conditions. (Gallois p. 20)
318:. The land sank a little in relation to the sea so the site lay a little further offshore. In the hot, shallow sea, the water partially evaporated so that the dissolved calcium carbonate (CaCO
353:
Blisworth limestone is a generally thin but widely spread deposit in eastern
England. It becomes thicker as one progresses southward from north Lincolnshire or westward from Norfolk. In the
552:
326:
onto minute nuclei to form tiny spheres which together resemble hard fish roe. This is composed of eggs; hence the name oölite. The process goes on today in the seas off the
557:
361:, at the eastern edge of the Jurassic ridge, it is around 15m below OD. (BGS sheet 144) It is exposed at the surface around the valleys of the East and West Glen rivers (
365:) in which vicinity it is 2.4 to 4.8 metres thick. (BGS sheet 143). Its exposure continues southward in a similar relationship to the Jurassic ridge, to the west of
357:
district, it is a shelly oolitic limestone 1 to 2 m thick. At
Wiggenhall it is around 190m below mean sea level (OD) and at Tydd St Mary, around 140m. (Gallois) At
306:
From the
Jurassic ridge it extends eastwards below the later deposits and in the North Sea terminology, it is part of the West Sole Group. (Cameron p. 74)
314:
The
Blisworth limestone lies above the Upper Estuarine Series of strata. The latter was formed close to the coast where rivers flowed from the
503:
547:
562:
483:
469:
455:
441:
250:
495:
542:
323:
303:
567:
362:
131:
315:
358:
342:
271:
111:
295:
121:
479:
465:
451:
437:
294:. It was laid down in the shallows of the Jurassic sea and is part of the more widely defined
141:
302:, White Limestone and the Snitterby Limestone Formation. It is the lateral equivalent of the
338:
334:
221:
283:
333:
The stratum is known as
Blisworth Limestone because it was first studied at Blisworth in
354:
211:
381:
Blisworth limestone is used as a building material, in particular as blocks of stone.
536:
61:
24:
402:
382:
366:
225:
36:
81:
46:
518:
505:
370:
279:
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164:
86:
30:
287:
178:
76:
71:
56:
51:
41:
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91:
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it reaches a thickness of 9m. (Hains & Horton p. 85)
448:
Geology of the country around King's Lynn and The Wash
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236:
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18:
426:British Geological Survey, 1:50,00 Series. (1992)
8:
290:ridge which extends north and south through
553:Limestone formations of the United Kingdom
15:
558:Geologic formations of the United Kingdom
462:British Regional Geology: Central England
341:was being dug for what is now called the
394:
434:The geology of the southern North Sea
345:. The tunnel finally opened in 1805.
7:
14:
298:. It was previously known as the
204:
407:BGS Lexicon of Named Rock Units
403:"Blisworth Limestone Formation"
1:
460:Hains, B.A. & Horton, A.
268:Blisworth Limestone Formation
251:Blisworth Rectory Farm Quarry
19:Blisworth Limestone Formation
151:up to 12 metres (40 ft)
409:. British Geological Survey
584:
548:Rock formations of England
496:List of types of limestone
563:Jurassic System of Europe
369:. (BGS sheet 157) Around
304:White Limestone Formation
257:Thickness at type section
23:
363:River Glen, Lincolnshire
274:primarily consisting of
132:Blisworth Clay Formation
300:Great Oolite Limestone
316:London-Brabant Island
278:deposited during the
359:Bourne, Lincolnshire
272:geological formation
112:Geological formation
515: /
25:Stratigraphic range
296:Great Oolite Group
122:Great Oolite Group
343:Grand Union Canal
264:
263:
142:Rutland Formation
575:
543:Jurassic England
530:
529:
527:
526:
525:
520:
519:52.171°N 0.954°W
516:
513:
512:
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508:
464:3rd edn. (1969)
429:Cameron, T.D.J.
419:
418:
416:
414:
399:
339:Blisworth tunnel
335:Northamptonshire
222:Northamptonshire
210:
208:
207:
103:
33:
16:
583:
582:
578:
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576:
574:
573:
572:
568:Bathonian Stage
533:
532:
523:
521:
517:
514:
509:
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504:
502:
501:
492:
474:Kirkaldy, J.F.
423:
422:
412:
410:
401:
400:
396:
391:
379:
351:
321:
312:
286:, found in the
284:Middle Jurassic
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84:
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29:
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12:
11:
5:
581:
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571:
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535:
534:
524:52.171; -0.954
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498:
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472:
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446:Gallois, R.W.
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3:
2:
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540:
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531:
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497:
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484:1-85079-133-3
481:
477:
476:Field Geology
473:
471:
470:0-11-880088-4
467:
463:
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456:0-11-884495-4
453:
449:
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442:0-11-884492-X
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285:
282:stage of the
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38:
32:
26:
22:
17:
500:
475:
461:
447:
433:
430:
411:. Retrieved
406:
397:
383:Lilford Hall
380:
367:Peterborough
352:
332:
324:precipitated
313:
299:
267:
265:
232:Type section
226:Lincolnshire
522: /
377:Application
355:King's Lynn
537:Categories
507:52°10′16″N
389:References
349:Occurrence
510:0°57′14″W
371:Towcester
337:when the
310:Formation
280:Bathonian
276:limestone
241:Blisworth
237:Named for
165:Limestone
156:Lithology
148:Thickness
128:Underlies
31:Bathonian
490:See also
288:Jurassic
247:Location
185:Location
179:Mudstone
138:Overlies
478:(1988)
450:(1994)
436:(1992)
413:29 July
328:Bahamas
292:England
200:Country
161:Primary
118:Unit of
98:↓
482:
468:
454:
440:
431:et al.
322:) was
218:Extent
209:
194:Europe
190:Region
270:is a
260:6-7 m
171:Other
480:ISBN
466:ISBN
452:ISBN
438:ISBN
415:2018
266:The
175:Marl
108:Type
37:PreꞒ
539::
405:.
224:,
212:UK
177:,
87:Pg
27::
417:.
320:3
92:N
82:K
77:J
72:T
67:P
62:C
57:D
52:S
47:O
42:Ꞓ
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