Oldhaven Formation
E1218264
UNEXPLORED
The Oldhaven Formation is a geological rock unit in southeast England, known for its early Eocene marine sediments that underlie the younger London Clay Formation.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Harwich Formation | 1 |
| Oldhaven Formation canonical | 1 |
| Upnor Formation | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T16530995 — 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: Oldhaven Formation Context triple: [London Clay Formation, overlies, Oldhaven Formation]
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A.
Newport Formation
The Newport Formation is a geological rock unit within the Narrabeen Group, known for its Triassic sedimentary deposits exposed around the Sydney Basin in eastern Australia.
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B.
Calvert Formation
The Calvert Formation is a geologic formation along the Chesapeake Bay in Maryland, renowned for its Miocene-age marine sediments and abundant fossil beds exposed in the Calvert Cliffs.
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C.
Curtis Formation
The Curtis Formation is a Middle Jurassic geologic unit in the western United States, characterized mainly by marine sandstones and siltstones that record shallow sea environments.
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D.
Gulpen Formation
The Gulpen Formation is a Late Cretaceous marine sedimentary rock unit in the Netherlands and adjacent areas, known for its chalk and marl deposits and rich fossil content.
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E.
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.
- 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: Oldhaven Formation Target entity description: The Oldhaven Formation is a geological rock unit in southeast England, known for its early Eocene marine sediments that underlie the younger London Clay Formation.
-
A.
Newport Formation
The Newport Formation is a geological rock unit within the Narrabeen Group, known for its Triassic sedimentary deposits exposed around the Sydney Basin in eastern Australia.
-
B.
Calvert Formation
The Calvert Formation is a geologic formation along the Chesapeake Bay in Maryland, renowned for its Miocene-age marine sediments and abundant fossil beds exposed in the Calvert Cliffs.
-
C.
Curtis Formation
The Curtis Formation is a Middle Jurassic geologic unit in the western United States, characterized mainly by marine sandstones and siltstones that record shallow sea environments.
-
D.
Gulpen Formation
The Gulpen Formation is a Late Cretaceous marine sedimentary rock unit in the Netherlands and adjacent areas, known for its chalk and marl deposits and rich fossil content.
-
E.
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.
- F. None of above. chosen
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Oldhaven Formation
linked to: Oldhaven Formation