Champlain Sea clay deposits
E1327335
UNEXPLORED
Champlain Sea clay deposits are extensive layers of fine-grained marine sediments left behind by the post-glacial Champlain Sea that now underlie parts of eastern Ontario and western Quebec, often associated with unstable “Leda clay” landslides.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Champlain Sea clay deposits canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T18513305 — 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: Champlain Sea clay deposits Context triple: [Lemieux, geologicalFeature, Champlain Sea clay deposits]
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A.
Aquia Formation
The Aquia Formation is a Paleocene-age geologic unit of the Atlantic Coastal Plain in the eastern United States, noted for its marine sediments and diverse fossil assemblages.
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B.
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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C.
Oldhaven Formation
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.
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D.
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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E.
Manhattan Formation
The Manhattan Formation is a geologic rock unit in the New York City region, best known for its hard metamorphic schist that provides a stable foundation for Manhattan’s skyscrapers.
- 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: Champlain Sea clay deposits Target entity description: Champlain Sea clay deposits are extensive layers of fine-grained marine sediments left behind by the post-glacial Champlain Sea that now underlie parts of eastern Ontario and western Quebec, often associated with unstable “Leda clay” landslides.
-
A.
Aquia Formation
The Aquia Formation is a Paleocene-age geologic unit of the Atlantic Coastal Plain in the eastern United States, noted for its marine sediments and diverse fossil assemblages.
-
B.
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.
-
C.
Oldhaven Formation
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.
-
D.
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.
-
E.
Manhattan Formation
The Manhattan Formation is a geologic rock unit in the New York City region, best known for its hard metamorphic schist that provides a stable foundation for Manhattan’s skyscrapers.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.