Gulpen Formation
E1155653
UNEXPLORED
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Gulpen Formation canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T15239560 — 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: Gulpen Formation Context triple: [Maastricht Formation, overlies, Gulpen Formation]
-
A.
Garie Formation
The Garie Formation is a geological rock unit in the Sydney Basin of eastern Australia, notable for its Triassic sedimentary strata and fossil content.
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B.
Kellaways Formation
The Kellaways Formation is a Middle Jurassic geological formation in England composed mainly of sandstones and mudstones, representing shallow marine and deltaic environments.
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C.
Minette Formation
The Minette Formation is a major iron-rich sedimentary rock unit in Luxembourg and Lorraine that hosts significant iron ore deposits historically important to the region’s steel industry.
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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.
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.
- 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: Gulpen Formation Target entity description: 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.
-
A.
Garie Formation
The Garie Formation is a geological rock unit in the Sydney Basin of eastern Australia, notable for its Triassic sedimentary strata and fossil content.
-
B.
Kellaways Formation
The Kellaways Formation is a Middle Jurassic geological formation in England composed mainly of sandstones and mudstones, representing shallow marine and deltaic environments.
-
C.
Minette Formation
The Minette Formation is a major iron-rich sedimentary rock unit in Luxembourg and Lorraine that hosts significant iron ore deposits historically important to the region’s steel industry.
-
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.
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.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Maastricht Formation