Raton Formation
E481005
The Raton Formation is a geologic rock unit in the Raton Basin of Colorado and New Mexico, notable for preserving Late Cretaceous to early Paleogene sediments and fossils, including evidence across the Cretaceous–Paleogene boundary.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Raton Formation canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4935212 — 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: Raton Formation Context triple: [Raton Basin, contains, Raton Formation]
-
A.
Chinle Formation
The Chinle Formation is a Late Triassic geologic formation in the southwestern United States, renowned for its colorful badlands, rich fossil beds, and extensive petrified wood deposits.
-
B.
Claron Formation
The Claron Formation is a geologic rock unit of colorful limestones and mudstones best known for forming the striking hoodoos and cliffs of Bryce Canyon and other parts of the Paunsaugunt Plateau in southern Utah.
-
C.
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.
-
D.
Cloverly Formation
The Cloverly Formation is an Early Cretaceous geologic formation in the western United States known for its dinosaur fossils and fluvial sedimentary deposits.
-
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: Raton Formation Target entity description: The Raton Formation is a geologic rock unit in the Raton Basin of Colorado and New Mexico, notable for preserving Late Cretaceous to early Paleogene sediments and fossils, including evidence across the Cretaceous–Paleogene boundary.
-
A.
Chinle Formation
The Chinle Formation is a Late Triassic geologic formation in the southwestern United States, renowned for its colorful badlands, rich fossil beds, and extensive petrified wood deposits.
-
B.
Claron Formation
The Claron Formation is a geologic rock unit of colorful limestones and mudstones best known for forming the striking hoodoos and cliffs of Bryce Canyon and other parts of the Paunsaugunt Plateau in southern Utah.
-
C.
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.
-
D.
Cloverly Formation
The Cloverly Formation is an Early Cretaceous geologic formation in the western United States known for its dinosaur fossils and fluvial sedimentary deposits.
-
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
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
geologic formation
ⓘ
stratigraphic unit ⓘ |
| contains |
Cretaceous–Paleogene boundary clay layer
ⓘ
coal beds ⓘ floodplain deposits ⓘ fluvial deposits ⓘ iridium anomaly at the Cretaceous–Paleogene boundary ⓘ lacustrine deposits ⓘ paleosols ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| economicImportance | coal resource ⓘ |
| environmentOfDeposition |
deltaic
ⓘ
fluvial ⓘ lacustrine ⓘ |
| geologicAge |
Late Cretaceous
NERFINISHED
ⓘ
Paleogene NERFINISHED ⓘ |
| geologicPeriod | Cretaceous ⓘ |
| hasTypeOfFossil |
freshwater mollusks
ⓘ
pollen and spores ⓘ terrestrial vertebrates ⓘ |
| lithology |
coal
ⓘ
conglomerate ⓘ sandstone ⓘ shale ⓘ siltstone ⓘ |
| locatedIn |
Colorado
ⓘ
New Mexico ⓘ Raton Basin NERFINISHED ⓘ |
| namedFor | Raton, New Mexico NERFINISHED ⓘ |
| notableFor |
continuous sedimentary record across the Cretaceous–Paleogene boundary
ⓘ
preservation of floral turnover at the Cretaceous–Paleogene boundary ⓘ |
| overlies | Vermejo Formation NERFINISHED ⓘ |
| partOf | Western Interior of North America NERFINISHED ⓘ |
| preserves |
Late Cretaceous fossils
ⓘ
Paleogene fossils ⓘ invertebrate fossils ⓘ palynomorphs ⓘ plant fossils ⓘ vertebrate fossils ⓘ |
| region | southern Rocky Mountains NERFINISHED ⓘ |
| spansBoundary | Cretaceous–Paleogene boundary NERFINISHED ⓘ |
| stratigraphicUnitOf | Raton Basin coal-bearing sequence ⓘ |
| studiedBy |
paleontologists
ⓘ
sedimentologists ⓘ stratigraphers ⓘ |
| underlies |
Poison Canyon Formation
NERFINISHED
ⓘ
Trinidad Sandstone (locally, in some classifications) NERFINISHED ⓘ |
| usedFor | study of Cretaceous–Paleogene mass extinction ⓘ |
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: Raton Formation Description of subject: The Raton Formation is a geologic rock unit in the Raton Basin of Colorado and New Mexico, notable for preserving Late Cretaceous to early Paleogene sediments and fossils, including evidence across the Cretaceous–Paleogene boundary.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.