Wealden Group of southern England
E695023
The Wealden Group of southern England is a Lower Cretaceous rock formation renowned for its rich dinosaur-bearing strata, particularly yielding important Iguanodon fossils.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Wealden Group | 1 |
| Wealden Group of southern England canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7820081 — 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: Wealden Group of southern England Context triple: [Iguanodon fossils, majorDiscoverySite, Wealden Group of southern England]
-
A.
Wessex Basin
The Wessex Basin is a sedimentary basin in southern England known for its Jurassic and Cretaceous rock sequences and significant hydrocarbon resources.
-
B.
Southern England Chalk Formation
The Southern England Chalk Formation is a major geological unit of Cretaceous-age chalk that underlies and shapes much of southern England’s landscape, including prominent hill ranges and downlands.
-
C.
Mercia Mudstone Group
The Mercia Mudstone Group is a thick sequence of predominantly red mudstones and siltstones of Triassic age widely distributed across parts of the UK, forming an important component of its subsurface geology.
-
D.
Arundel and South Downs
Arundel and South Downs is a UK parliamentary constituency in West Sussex, covering a largely rural and affluent area including historic towns and parts of the South Downs National Park.
-
E.
Yorkshire Jurassic limestone belt
The Yorkshire Jurassic limestone belt is a geological formation in northern England characterized by extensive Jurassic-age limestone deposits that have historically been quarried for building stone and industrial use.
- 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: Wealden Group of southern England Target entity description: The Wealden Group of southern England is a Lower Cretaceous rock formation renowned for its rich dinosaur-bearing strata, particularly yielding important Iguanodon fossils.
-
A.
Wessex Basin
The Wessex Basin is a sedimentary basin in southern England known for its Jurassic and Cretaceous rock sequences and significant hydrocarbon resources.
-
B.
Southern England Chalk Formation
The Southern England Chalk Formation is a major geological unit of Cretaceous-age chalk that underlies and shapes much of southern England’s landscape, including prominent hill ranges and downlands.
-
C.
Mercia Mudstone Group
The Mercia Mudstone Group is a thick sequence of predominantly red mudstones and siltstones of Triassic age widely distributed across parts of the UK, forming an important component of its subsurface geology.
-
D.
Arundel and South Downs
Arundel and South Downs is a UK parliamentary constituency in West Sussex, covering a largely rural and affluent area including historic towns and parts of the South Downs National Park.
-
E.
Yorkshire Jurassic limestone belt
The Yorkshire Jurassic limestone belt is a geological formation in northern England characterized by extensive Jurassic-age limestone deposits that have historically been quarried for building stone and industrial use.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | geologic group ⓘ |
| contains |
coal seams
ⓘ
ironstone ⓘ |
| containsFossil |
Baryonyx
NERFINISHED
ⓘ
Hypsilophodon NERFINISHED ⓘ Iguanodon NERFINISHED ⓘ Polacanthus NERFINISHED ⓘ crocodyliforms ⓘ fish ⓘ ornithopod dinosaurs ⓘ plants ⓘ pterosaurs ⓘ sauropod dinosaurs ⓘ theropod dinosaurs ⓘ turtles ⓘ |
| containsMember |
Ashdown Formation
NERFINISHED
ⓘ
Hastings Beds NERFINISHED ⓘ Tunbridge Wells Sand Formation NERFINISHED ⓘ Wadhurst Clay Formation NERFINISHED ⓘ Weald Clay Formation NERFINISHED ⓘ |
| country | United Kingdom ⓘ |
| depositionalSetting | non-marine ⓘ |
| environmentOfDeposition |
deltaic
ⓘ
fluvial ⓘ lacustrine ⓘ |
| geologicAge | Lower Cretaceous NERFINISHED ⓘ |
| geologicPeriod | Cretaceous NERFINISHED ⓘ |
| geologicStage | Berriasian to Aptian ⓘ |
| hasEconomicUse |
brick clay source
ⓘ
iron ore source (historical) ⓘ |
| isImportantFor |
dinosaur paleontology
ⓘ
non-marine Lower Cretaceous stratigraphy ⓘ |
| lithology |
clay
ⓘ
conglomerate ⓘ mudstone ⓘ sandstone ⓘ siltstone ⓘ |
| locatedIn | southern England NERFINISHED ⓘ |
| namedAfter | Weald NERFINISHED ⓘ |
| notableLocality |
Isle of Wight
NERFINISHED
ⓘ
Kent NERFINISHED ⓘ Sussex NERFINISHED ⓘ |
| overlies | Purbeck Group NERFINISHED ⓘ |
| partOf | Wealden Supergroup NERFINISHED ⓘ |
| stratigraphicUnitOf | Weald Basin NERFINISHED ⓘ |
| underlies |
Hastings Beds in some local schemes
ⓘ
Lower Greensand Group NERFINISHED ⓘ |
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: Wealden Group of southern England Description of subject: The Wealden Group of southern England is a Lower Cretaceous rock formation renowned for its rich dinosaur-bearing strata, particularly yielding important Iguanodon fossils.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Wealden Group