Portezuelo Formation
E1189301
UNEXPLORED
The Portezuelo Formation is a Late Cretaceous geological formation in Patagonia, Argentina, renowned for yielding important dinosaur fossils including the giant sauropod Futalognkosaurus.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Portezuelo Formation canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T16028846 — 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: Portezuelo Formation Context triple: [Futalognkosaurus, formation, Portezuelo Formation]
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A.
Los Rastros Formation
Los Rastros Formation is a Late Triassic geological formation in northwestern Argentina known for its fossil-rich sedimentary rocks that record ancient lake and river environments.
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B.
Candeleros Formation
The Candeleros Formation is a Cretaceous-age geological formation in Patagonia, Argentina, renowned for yielding important dinosaur fossils including those of Giganotosaurus.
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C.
Vermejo Formation
The Vermejo Formation is a Late Cretaceous sedimentary rock unit in the Raton Basin of the western United States, known for its coal-bearing strata and significance in regional stratigraphy.
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D.
Etchegoin Formation
The Etchegoin Formation is a geologic unit in California’s San Joaquin Basin known for its significant petroleum reservoirs, particularly in major fields such as the Belridge Oil Field.
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E.
Areyonga Formation
The Areyonga Formation is a geological rock unit within central Australia's Amadeus Basin, known for its sedimentary sequences that record Proterozoic environmental and tectonic history.
- 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: Portezuelo Formation Target entity description: The Portezuelo Formation is a Late Cretaceous geological formation in Patagonia, Argentina, renowned for yielding important dinosaur fossils including the giant sauropod Futalognkosaurus.
-
A.
Los Rastros Formation
Los Rastros Formation is a Late Triassic geological formation in northwestern Argentina known for its fossil-rich sedimentary rocks that record ancient lake and river environments.
-
B.
Candeleros Formation
The Candeleros Formation is a Cretaceous-age geological formation in Patagonia, Argentina, renowned for yielding important dinosaur fossils including those of Giganotosaurus.
-
C.
Vermejo Formation
The Vermejo Formation is a Late Cretaceous sedimentary rock unit in the Raton Basin of the western United States, known for its coal-bearing strata and significance in regional stratigraphy.
-
D.
Etchegoin Formation
The Etchegoin Formation is a geologic unit in California’s San Joaquin Basin known for its significant petroleum reservoirs, particularly in major fields such as the Belridge Oil Field.
-
E.
Areyonga Formation
The Areyonga Formation is a geological rock unit within central Australia's Amadeus Basin, known for its sedimentary sequences that record Proterozoic environmental and tectonic history.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.