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Statements

Subject Item
dbr:Lincolnshire_Limestone_Formation
rdfs:label
Lincolnshire Limestone Formation
rdfs:comment
The Lincolnshire Limestone Formation 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 165 million years ago, in a shallow, warm sea on the margin of the London Platform and has estuarine beds above and below it. The maximum known thickness is 40.2 metres, at around TF9730, while four kilometres further west it is 18.3 metres thick at its outcrop in the upper Witham valley. It fades out in the south, around Kettering in Northamptonshire.
dbp:name
Lincolnshire Limestone Formation
dcterms:subject
dbc:Bajocian_Stage dbc:Jurassic_System_of_Europe dbc:Stratigraphy_of_the_United_Kingdom dbc:Limestone dbc:Geography_of_Lincolnshire
dbo:wikiPageID
2761007
dbo:wikiPageRevisionID
1118690745
dbo:wikiPageWikiLink
dbr:Calcium_carbonate dbr:Kettering dbr:Jurassic dbr:Limestone dbr:London-Brabant_Massif dbr:Grantham_Formation dbr:Ooid dbr:Collyweston_stone_slate dbr:Lincolnshire dbr:Roe dbr:Inferior_Oolite_Group dbc:Jurassic_System_of_Europe dbr:Chalk_Group dbr:Geological_formation dbr:Castle_Bytham_Quarry dbc:Bajocian_Stage dbr:Peterborough dbr:Great_Oolite_Group dbr:Oolite dbc:Geography_of_Lincolnshire dbc:Limestone dbr:Northampton_Sand_Formation dbr:List_of_types_of_limestone dbc:Stratigraphy_of_the_United_Kingdom dbr:Northamptonshire dbr:Hunstanton_Formation dbr:Rutland_Formation dbr:Bajocian dbr:Estuary dbr:Lower_Estuarine_Series dbr:River_Witham dbr:Market_Weighton dbr:Lias_Group dbr:England
owl:sameAs
wikidata:Q6551283 n14:4qKtW
dbp:subunits
Upper Lincolnshire Limestone Member, Lower Lincolnshire Limestone Member
dbp:underlies
Rutland Formation, Great Oolite Group or Hunstanton Formation, Chalk Group
dbp:unitof
dbr:Inferior_Oolite_Group
dbp:wikiPageUsesTemplate
dbt:ISBN dbt:For dbt:Fossilrange dbt:Infobox_rockunit dbt:Reflist
dbp:country
England
dbp:period
Bajocian
dbp:region
Market Weighton to Kettering, Peterborough
dbp:thickness
-1800.0
dbp:type
dbr:Geological_formation
dbo:abstract
The Lincolnshire Limestone Formation 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 165 million years ago, in a shallow, warm sea on the margin of the London Platform and has estuarine beds above and below it. The maximum known thickness is 40.2 metres, at around TF9730, while four kilometres further west it is 18.3 metres thick at its outcrop in the upper Witham valley. It fades out in the south, around Kettering in Northamptonshire. There are two sub-divisions, the Upper and Lower Lincolnshire Limestone Members respectively. The dividing marker is the 'Crossi' bed which is distinguished by the fossils of 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 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 the dissolved calcium carbonate and wave action rolled the precipitated material into tiny balls. It takes its name from its similarity to the hard roe of fish.
dbp:namedfor
dbr:Lincolnshire
dbp:otherlithology
Sandy limestone, mudstone
dbp:overlies
Grantham Formation, Northampton Sand Formation or Lias Group
dbp:prilithology
dbr:Limestone
prov:wasDerivedFrom
wikipedia-en:Lincolnshire_Limestone_Formation?oldid=1118690745&ns=0
dbo:wikiPageLength
3334
foaf:isPrimaryTopicOf
wikipedia-en:Lincolnshire_Limestone_Formation