Cerro Barcino Formation
E364822
The Cerro Barcino Formation is a Cretaceous geological formation in Patagonia, Argentina, known for preserving dinosaur fossils including the giant titanosaur Patagotitan mayorum.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cerro Barcino Formation canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3524103 — 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: Cerro Barcino Formation Context triple: [Patagotitan mayorum, formation, Cerro Barcino Formation]
-
A.
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.
-
B.
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.
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C.
Fra Mauro formation
The Fra Mauro formation is a hilly, heavily cratered lunar region in the Moon’s near side highlands, best known as the landing site of NASA’s Apollo 14 mission and as an important area for studying ancient lunar impact ejecta.
-
D.
Wellington Formation
The Wellington Formation is a Permian-age geological formation in the central United States, particularly Oklahoma, known for its red beds, evaporite deposits, and distinctive barite "rose rock" concretions.
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E.
Hettange-Grande Formation
The Hettange-Grande Formation is an Early Jurassic (Hettangian) sedimentary rock unit in northeastern France that serves as the global stratotype (type section) for the base of the Jurassic System.
- 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: Cerro Barcino Formation Target entity description: The Cerro Barcino Formation is a Cretaceous geological formation in Patagonia, Argentina, known for preserving dinosaur fossils including the giant titanosaur Patagotitan mayorum.
-
A.
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.
-
B.
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.
-
C.
Fra Mauro formation
The Fra Mauro formation is a hilly, heavily cratered lunar region in the Moon’s near side highlands, best known as the landing site of NASA’s Apollo 14 mission and as an important area for studying ancient lunar impact ejecta.
-
D.
Wellington Formation
The Wellington Formation is a Permian-age geological formation in the central United States, particularly Oklahoma, known for its red beds, evaporite deposits, and distinctive barite "rose rock" concretions.
-
E.
Hettange-Grande Formation
The Hettange-Grande Formation is an Early Jurassic (Hettangian) sedimentary rock unit in northeastern France that serves as the global stratotype (type section) for the base of the Jurassic System.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
geological formation
ⓘ
sedimentary rock formation ⓘ stratigraphic unit ⓘ |
| age | Early Cretaceous ⓘ |
| containsFossilsOf |
Patagotitan mayorum
ⓘ
dinosaur ⓘ sauropod dinosaur ⓘ titanosaur ⓘ |
| continent | South America ⓘ |
| country | Argentina ⓘ |
| depositionalEnvironment |
continental
ⓘ
fluvial ⓘ volcaniclastic-influenced ⓘ |
| fossilPeriod | Cretaceous ⓘ |
| geologicalPeriod | Cretaceous ⓘ |
| hasStratigraphicRank | formation ⓘ |
| knownFor |
preservation of dinosaur fossils
ⓘ
yielding remains of giant titanosaur Patagotitan mayorum ⓘ |
| lithology |
conglomerate
ⓘ
mudstone ⓘ sandstone ⓘ tuff ⓘ |
| locatedIn |
Argentina
ⓘ
Patagonia ⓘ |
| paleontologicalSignificance |
important for understanding Cretaceous sauropod diversity in Patagonia
ⓘ
source of one of the largest known dinosaurs, Patagotitan mayorum ⓘ |
| partOf |
Chubut Group
ⓘ
Patagonian Mesozoic basins ⓘ |
| region | Chubut Province ⓘ |
| stratigraphicUnitOf | Mesozoic Era ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Cerro Barcino Formation Description of subject: The Cerro Barcino Formation is a Cretaceous geological formation in Patagonia, Argentina, known for preserving dinosaur fossils including the giant titanosaur Patagotitan mayorum.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.