5-614: Lincolnshire Limestone may refer to Lincolnshire Limestone (England) , a Middle Jurassic geological formation in the East Midlands of England Lincolnshire Limestone (Virginia) , an Ordovician geological formation in Virginia, USA Topics referred to by the same term [REDACTED] This disambiguation page lists articles associated with the title Lincolnshire Limestone . If an internal link led you here, you may wish to change
10-492: A maximum of over 40 m in south Lincolnshire. The lower division varies in thickness between 15 m and 21 m and the upper is typically between 10 m and 16 m thick. The dividing marker is the 'Crossi' bed which is distinguished by the fossils of the brachiopod Acanthothris crossi it contains. The Crossi bed forms the top of the Lower Lincolnshire limestone. The bottom of the Lower Lincolnshire limestone has some of
15-654: Is a geological formation in England , part of the Inferior Oolite Group of the ( Bajocian ) Middle Jurassic strata of eastern England . It was formed around 170 million years ago, in a shallow, warm sea on the margin of the London Platform and has estuarine beds above and below it. There are two sub-divisions, the Upper and Lower Lincolnshire Limestone. It is typically about 30 m thick, reaching
20-534: The characteristics of the underlying Lower Estuarine Series , in that it tends to contain more than usual amounts of sand. A stone from this part of the formation which was commercially exploited is the Collyweston stone slate which was used for roofing for several centuries. It is now largely replaced in new work by concrete imitations. Much of the rest of the Lower Lincolnshire limestone is oolitic . It formed in warm, shallow seas where evaporation concentrated
25-433: The link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=Lincolnshire_Limestone&oldid=808991082 " Category : Disambiguation pages Hidden categories: Short description is different from Wikidata All article disambiguation pages All disambiguation pages Lincolnshire Limestone (England) The Lincolnshire Limestone Formation
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