Kellaways Formation
E274882
The Kellaways Formation is a Middle Jurassic geological formation in England composed mainly of sandstones and mudstones, representing shallow marine and deltaic environments.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Cornbrash Formation | 1 |
| Kellaways Clay Member | 1 |
| Kellaways Formation canonical | 1 |
| Kellaways Sand Member | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2509951 — 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.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kellaways Formation Context triple: [Oxford Clay, overlies, Kellaways Formation]
-
A.
Summerville Formation
The Summerville Formation is a Late Jurassic sedimentary rock unit in the western United States, characterized by thin-bedded mudstones and sandstones deposited in tidal flat and coastal environments.
-
B.
Holston Formation
The Holston Formation is a geologic unit in eastern Tennessee renowned for its high-quality crystalline limestone commonly marketed as Tennessee marble and widely used in prominent architectural projects.
-
C.
Kayenta Formation
The Kayenta Formation is an Early Jurassic sandstone and siltstone rock unit on the Colorado Plateau, renowned for its distinctive red cliffs and important dinosaur fossil trackways.
-
D.
Oxford Clay
Oxford Clay is a Jurassic-age marine sedimentary rock formation in England renowned for its exceptionally well-preserved fossils, especially marine reptiles and invertebrates.
-
E.
Salem Limestone formation
The Salem Limestone formation is a thick, fossil-rich Mississippian-age limestone unit in the U.S. Midwest, widely quarried as a high-quality building stone used in many prominent American structures.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Kellaways Formation Target entity description: The Kellaways Formation is a Middle Jurassic geological formation in England composed mainly of sandstones and mudstones, representing shallow marine and deltaic environments.
-
A.
Summerville Formation
The Summerville Formation is a Late Jurassic sedimentary rock unit in the western United States, characterized by thin-bedded mudstones and sandstones deposited in tidal flat and coastal environments.
-
B.
Holston Formation
The Holston Formation is a geologic unit in eastern Tennessee renowned for its high-quality crystalline limestone commonly marketed as Tennessee marble and widely used in prominent architectural projects.
-
C.
Kayenta Formation
The Kayenta Formation is an Early Jurassic sandstone and siltstone rock unit on the Colorado Plateau, renowned for its distinctive red cliffs and important dinosaur fossil trackways.
-
D.
Oxford Clay
Oxford Clay is a Jurassic-age marine sedimentary rock formation in England renowned for its exceptionally well-preserved fossils, especially marine reptiles and invertebrates.
-
E.
Salem Limestone formation
The Salem Limestone formation is a thick, fossil-rich Mississippian-age limestone unit in the U.S. Midwest, widely quarried as a high-quality building stone used in many prominent American structures.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
geologic formation
ⓘ
lithostratigraphic unit ⓘ |
| age |
Callovian
ⓘ
late Middle Jurassic ⓘ |
| containsFossils |
ammonites
ⓘ
bivalves ⓘ marine invertebrates ⓘ vertebrate remains ⓘ |
| containsMember |
Kellaways Formation
self-linksurface differs
ⓘ
surface form:
Kellaways Clay Member
Kellaways Formation self-linksurface differs ⓘ
surface form:
Kellaways Sand Member
|
| continent | Europe ⓘ |
| country | England ⓘ |
| depositionalSetting |
nearshore
ⓘ
shelf sea ⓘ |
| environmentOfDeposition |
deltaic
ⓘ
shallow marine ⓘ |
| geologicPeriod | Middle Jurassic ⓘ |
| hasEconomicUse |
aggregate
ⓘ
building stone ⓘ |
| lithology |
mudstone
ⓘ
sandstone ⓘ |
| namedAfter | Kellaways ⓘ |
| overlies | Cornbrash Formation ⓘ |
| partOf |
Jurassic Period
ⓘ
surface form:
Jurassic System
|
| region |
central England
ⓘ
southern England ⓘ |
| stratigraphicRank | formation ⓘ |
| stratigraphicUnitOf | Great Oolite Group ⓘ |
| thickness | up to several tens of metres ⓘ |
| typicalColor | grey ⓘ |
| underlies |
Oxford Clay
ⓘ
surface form:
Oxford Clay Formation
|
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.
Instruction
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.
Input
Subject: Kellaways Formation Description of subject: The Kellaways Formation is a Middle Jurassic geological formation in England composed mainly of sandstones and mudstones, representing shallow marine and deltaic environments.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Cornbrash Formation
this entity surface form:
Kellaways Sand Member
this entity surface form:
Kellaways Clay Member