Headon Hill Formation
E1504174
UNEXPLORED
The Headon Hill Formation is a geological rock unit in southern England known for its late Eocene sediments and rich fossil assemblages that record ancient coastal and freshwater environments.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Headon Hill Formation canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T21827246 — 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: Headon Hill Formation Context triple: [Hampshire Basin, contains, Headon Hill Formation]
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A.
Hythe Formation
The Hythe Formation is a Lower Cretaceous sedimentary rock unit in southern England, characterized mainly by sandy and calcareous deposits that form part of the Lower Greensand succession.
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B.
Haughton Formation
The Haughton Formation is a geological unit in the Canadian High Arctic composed mainly of impact-related sediments and breccias associated with the Haughton impact structure.
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C.
Gault Formation
The Gault Formation is a mid-Cretaceous marine clay formation in southern England, noted for its fossil-rich, fine-grained sediments that record a shallow sea environment.
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D.
Sandgate Formation
The Sandgate Formation is a Lower Cretaceous sedimentary rock unit in southern England, notable for its sandstones and clays deposited in shallow marine to coastal environments.
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E.
Sidmouth Mudstone Formation
The Sidmouth Mudstone Formation is a geological rock unit within the Triassic Mercia Mudstone Group of Britain, characterized mainly by red mudstones and associated evaporite deposits.
- 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: Headon Hill Formation Target entity description: The Headon Hill Formation is a geological rock unit in southern England known for its late Eocene sediments and rich fossil assemblages that record ancient coastal and freshwater environments.
-
A.
Hythe Formation
The Hythe Formation is a Lower Cretaceous sedimentary rock unit in southern England, characterized mainly by sandy and calcareous deposits that form part of the Lower Greensand succession.
-
B.
Haughton Formation
The Haughton Formation is a geological unit in the Canadian High Arctic composed mainly of impact-related sediments and breccias associated with the Haughton impact structure.
-
C.
Gault Formation
The Gault Formation is a mid-Cretaceous marine clay formation in southern England, noted for its fossil-rich, fine-grained sediments that record a shallow sea environment.
-
D.
Sandgate Formation
The Sandgate Formation is a Lower Cretaceous sedimentary rock unit in southern England, notable for its sandstones and clays deposited in shallow marine to coastal environments.
-
E.
Sidmouth Mudstone Formation
The Sidmouth Mudstone Formation is a geological rock unit within the Triassic Mercia Mudstone Group of Britain, characterized mainly by red mudstones and associated evaporite deposits.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.