Frosterley Marble: Difference between revisions

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{{short description|Fossiliferous limestone from County Durham, England}}
{{Use dmy dates|date=October 2023}}
{{Use British English|date=October 2023}}
[[File:Frosterley marble detail.JPG|200px|Fossil [[crinoid]]s in polished Frosterley Marble.|thumb]]
 
'''Frosterley Marble''' is a black, [[bitumen|bituminous]] [[coral]]iferous limestone containing fossil [[crinoids]] of the [[Lower Carboniferous]] (Mississippian ), some 325 million years ago.<ref name="ncl-co-curate">{{cite Itweb is|url=https://co-curate.ncl.ac.uk/resources/view/44975/ found|title=Frosterley onlyMarble in(Great [[Weardale]]Limestone, [[CountyMississippian; Durham]]Rogerley Quarry, England. ) Concentrations|publisher=University of suchNewcastle corals|access-date=11 asOctober ''[[Dibunophyllum2023}}</ref><ref bipartitum]]''name="lawrence">{{cite andreport of|url=https://www.durham.gov.uk/media/3683/County-Durham-Geodiversity-Audit/pdf/CountyDurhamGeodiversityAudit.pdf [[brachiopod]]|title=Durham remainsGeodiversity contributeAudit to|last1=Lawrence its|first1=D.J.D. attractiveness|last2=Vye when|first2=C.L. sections|last3=Young are polished|first3=B.<ref>Stone|publisher=Durham etCounty alCouncil 2010|year=2004 ''British|access-date=11 RegionalOctober Geology:2023}}</ref>{{rp|40}} Northern England''It (5thoutcrops edition)in (Keyworth[[Weardale]], Nottingham:[[County BritishDurham]], Geological Survey) pp238-254</ref><ref>LawrenceEngland, D.J.Dincluding etnear althe 2004village ''Durhamof Geodiversity[[Frosterley]] Audit'',whence Durham:it Durhamis County Council p40</ref>named.
 
==Geology==
It is cut and polished for use as ornate stone, and was much desired for church decoration, particularly during the Middle Ages. The decorative columns found in [[Durham Cathedral]] date from about 1350.
Unlike a true [[marble]], it is not a [[metamorphic rock]], but is so-called because it can take a fine polish. Concentrations of such corals as ''[[Dibunophyllum bipartitum]]'' and of [[brachiopod]] remains contribute to its attractiveness when sections are polished.<ref>Stone et al 2010 ''British Regional Geology: Northern England'' (5th edition) (Keyworth, Nottingham: British Geological Survey) pp238-254</ref><ref name="lawrence" />{{rp|40}}
 
==Use==
It is cut and polished for use as ornate stone, and was much desired for church decoration, particularly during the Middle Ages.<ref>{{cite web |url=https://weardalemuseum.org.uk/news-frosterley-marble-to-come-to-museum |title=Frosterley Marble Font to Come to the Museum |publisher=Weardale Museum |date=15 April 2020 |access-date=11 October 2023}}</ref> The decorative columns found in [[Durham Cathedral]] date from about 1350. It has been used as far afield as India, as the base of the pulpit in [[St. Thomas Cathedral, Mumbai]].<ref name="npvm">{{cite web |url=https://npvm.archaeologicalpractice.co.uk/objects/15/index.htm |title=Frosterley Marble |publisher=North Pennines AONB Partnership |year=2015 |access-date=11 October 2015}}</ref><ref>{{cite web |url=https://altogetherarchaeology.org/ReportsRD-Part1Counter.php |title=North Pennines Archaeological Research Framework: Part 1. Resource Assessment |publisher=Altogether Archaeology |year=2021 |access-date=11 October 2023}}</ref>
 
==See also==
*[[Geology of County Durham]]
*{{annotated link|List of decorative stones}}
*{{annotated link|List of sandstones}}
*{{annotated link|List of types of marble}}
 
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{{reflist}}
 
==External links==
{{geology-stub}}
{{Commons category|Frosterley Marble}}
* [https://archaeologydataservice.ac.uk/archives/view/stones_ahrb_2005/cfm/Public/details/RockDetails.cfm?RockCode=FROSTE Stone in Archaeology database]
 
{{UK-geology-stub}}
 
[[Category:Sculpture materials|LimestoneGeology]]
[[Category:Stone (material)|Limestone]]
[[Category:ListsGeology of rocks|LimestoneCounty Durham]]
[[Category:Carboniferous geology]]
[[Category:Sculpture materials]]
[[Category:Stone (material)]]
[[Category:Lists of rocks]]