Trenton-Black River formations
E1336853
UNEXPLORED
The Trenton-Black River formations are Middle Ordovician carbonate rock units known for their extensive oil and gas reservoirs across parts of the northeastern and midwestern United States.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Trenton-Black River formations canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T18692295 — 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: Trenton-Black River formations Context triple: [Michigan Basin, containsFormation, Trenton-Black River formations]
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A.
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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B.
Cornbrash Formation
The Cornbrash Formation is a Middle Jurassic limestone and marl unit in England known for its rich marine fossil assemblages and use in regional stratigraphic correlation.
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C.
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.
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D.
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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E.
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.
- 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: Trenton-Black River formations Target entity description: The Trenton-Black River formations are Middle Ordovician carbonate rock units known for their extensive oil and gas reservoirs across parts of the northeastern and midwestern United States.
-
A.
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.
-
B.
Cornbrash Formation
The Cornbrash Formation is a Middle Jurassic limestone and marl unit in England known for its rich marine fossil assemblages and use in regional stratigraphic correlation.
-
C.
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.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.