Oxford Clay
E52676
Oxford Clay is a Jurassic-age marine sedimentary rock formation in England renowned for its exceptionally well-preserved fossils, especially marine reptiles and invertebrates.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Oxford Clay Formation | 4 |
| Oxford Clay canonical | 1 |
| Stonesfield Slate Formation | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T415647 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
Target entity: Oxford Clay Context triple: [Jurassic Period, hasNotableFossilSite, Oxford Clay]
-
A.
Bedford limestone
Bedford limestone is a high-quality, fine-grained building stone from southern Indiana widely used in prominent architectural landmarks across the United States.
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B.
Old Red Sandstone
Old Red Sandstone is a thick sequence of Devonian-age sedimentary rocks, notable for its red coloration and widespread occurrence across parts of Scotland and other regions of the North Atlantic.
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C.
Tura limestone
Tura limestone is a fine white Egyptian limestone historically prized for its high quality and used as the outer casing stone for major monuments such as the Great Pyramid of Giza.
-
D.
Aquia Creek sandstone
Aquia Creek sandstone is a historically significant building stone quarried in Virginia, widely known for its use in early U.S. federal architecture including the White House and the Capitol.
-
E.
Anston limestone
Anston limestone is a durable, fine-grained building stone from Anston in South Yorkshire, England, historically quarried for major 19th-century architectural projects.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: Oxford Clay Target entity description: Oxford Clay is a Jurassic-age marine sedimentary rock formation in England renowned for its exceptionally well-preserved fossils, especially marine reptiles and invertebrates.
-
A.
Bedford limestone
Bedford limestone is a high-quality, fine-grained building stone from southern Indiana widely used in prominent architectural landmarks across the United States.
-
B.
Old Red Sandstone
Old Red Sandstone is a thick sequence of Devonian-age sedimentary rocks, notable for its red coloration and widespread occurrence across parts of Scotland and other regions of the North Atlantic.
-
C.
Tura limestone
Tura limestone is a fine white Egyptian limestone historically prized for its high quality and used as the outer casing stone for major monuments such as the Great Pyramid of Giza.
-
D.
Aquia Creek sandstone
Aquia Creek sandstone is a historically significant building stone quarried in Virginia, widely known for its use in early U.S. federal architecture including the White House and the Capitol.
-
E.
Anston limestone
Anston limestone is a durable, fine-grained building stone from Anston in South Yorkshire, England, historically quarried for major 19th-century architectural projects.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
geologic formation
ⓘ
sedimentary rock formation ⓘ stratigraphic unit ⓘ |
| color | dark grey ⓘ |
| contains |
calcareous concretions
ⓘ
organic-rich layers ⓘ septarian nodules ⓘ |
| country |
England
ⓘ
United Kingdom ⓘ |
| depositionalSetting | epicontinental sea ⓘ |
| economicUse |
brickmaking
ⓘ
ceramics ⓘ |
| environmentOfDeposition | marine ⓘ |
| extendsTo |
Cambridgeshire, England
ⓘ
surface form:
Cambridgeshire
Lincolnshire ⓘ Oxfordshire ⓘ Wiltshire ⓘ Yorkshire ⓘ |
| fossilContent |
ammonites
ⓘ
belemnites ⓘ bivalves ⓘ gastropods ⓘ ichthyosaurs ⓘ invertebrate remains ⓘ marine crocodiles ⓘ plesiosaurs ⓘ pliosaurs ⓘ vertebrate remains ⓘ |
| geologicAge |
Callovian
ⓘ
Middle Jurassic ⓘ |
| geologicPeriod | Jurassic ⓘ |
| geologicProvince |
East Midlands
ⓘ
surface form:
East Midlands Shelf
Wessex Basin ⓘ |
| knownFor |
exceptional fossil preservation
ⓘ
invertebrate fossils ⓘ marine reptile fossils ⓘ |
| lithology |
clay
ⓘ
mudstone ⓘ shale ⓘ |
| namedAfter | Oxford ⓘ |
| overlies | Kellaways Formation ⓘ |
| primaryComposition |
clay minerals
ⓘ
silt ⓘ |
| region |
East of England
ⓘ
surface form:
eastern England
southern England ⓘ |
| stratigraphicUnitOf |
Jurassic Period
ⓘ
surface form:
Jurassic System
|
| underlies |
Corallian Group
ⓘ
Kellaways Formation ⓘ
surface form:
Cornbrash Formation
|
| weatheringColor | light grey ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Subject: Oxford Clay Description of subject: Oxford Clay is a Jurassic-age marine sedimentary rock formation in England renowned for its exceptionally well-preserved fossils, especially marine reptiles and invertebrates.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.