Wahweap Formation
E557618
The Wahweap Formation is a Late Cretaceous sedimentary rock unit in southern Utah renowned for its rich fossil record of dinosaurs and other ancient life.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Wahweap Formation canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T5947880 — 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: Wahweap Formation Context triple: [Kaiparowits Plateau, contains, Wahweap Formation]
-
A.
Red Rock escarpment
The Red Rock escarpment is a striking cliff formation of vivid red sandstone that forms a prominent natural backdrop and scenic highlight in the Pine Creek Canyon area.
-
B.
Poison Canyon Formation
The Poison Canyon Formation is a geologic rock unit in the Raton Basin of Colorado and New Mexico, known for its Paleocene-age fluvial sandstones, mudstones, and coal beds that record post-dinosaur terrestrial environments.
-
C.
Desolation Canyon
Desolation Canyon is a remote, rugged gorge in Death Valley National Park known for its colorful badlands, narrow washes, and scenic hiking routes through eroded desert terrain.
-
D.
Amargosa Canyon
Amargosa Canyon is a remote desert gorge in southeastern California known for its rugged scenery, rare riparian habitat, and role as a key segment of the Amargosa River’s course through the Mojave Desert.
-
E.
Salton Buttes
Salton Buttes are a group of small volcanic domes near the Salton Sea in Southern California, known for their geothermal activity and potential volcanic hazards.
- 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: Wahweap Formation Target entity description: The Wahweap Formation is a Late Cretaceous sedimentary rock unit in southern Utah renowned for its rich fossil record of dinosaurs and other ancient life.
-
A.
Red Rock escarpment
The Red Rock escarpment is a striking cliff formation of vivid red sandstone that forms a prominent natural backdrop and scenic highlight in the Pine Creek Canyon area.
-
B.
Poison Canyon Formation
The Poison Canyon Formation is a geologic rock unit in the Raton Basin of Colorado and New Mexico, known for its Paleocene-age fluvial sandstones, mudstones, and coal beds that record post-dinosaur terrestrial environments.
-
C.
Desolation Canyon
Desolation Canyon is a remote, rugged gorge in Death Valley National Park known for its colorful badlands, narrow washes, and scenic hiking routes through eroded desert terrain.
-
D.
Amargosa Canyon
Amargosa Canyon is a remote desert gorge in southeastern California known for its rugged scenery, rare riparian habitat, and role as a key segment of the Amargosa River’s course through the Mojave Desert.
-
E.
Salton Buttes
Salton Buttes are a group of small volcanic domes near the Salton Sea in Southern California, known for their geothermal activity and potential volcanic hazards.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
geologic formation
ⓘ
sedimentary rock unit ⓘ |
| age | Campanian ⓘ |
| containsFossilsOf |
amphibians
ⓘ
birds ⓘ ceratopsian dinosaurs ⓘ crocodyliforms ⓘ dinosaurs ⓘ fish ⓘ hadrosaurid dinosaurs ⓘ invertebrates ⓘ lizards ⓘ mammals ⓘ ornithopod dinosaurs ⓘ plants ⓘ theropod dinosaurs ⓘ turtles ⓘ |
| continent | North America ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| depositionalEnvironment |
floodplain
ⓘ
fluvial ⓘ |
| foundIn |
Garfield County, Utah
ⓘ
Kane County, Utah ⓘ |
| geologicPeriod | Late Cretaceous ⓘ |
| geologicProvince | Colorado Plateau ⓘ |
| hasStratigraphicRank | formation ⓘ |
| knownFor |
diverse dinosaur fauna
ⓘ
rich vertebrate fossil record ⓘ |
| lithology |
conglomerate
ⓘ
mudstone ⓘ sandstone ⓘ siltstone ⓘ |
| locatedIn |
United States
ⓘ
linked to:
United States of America
southern Utah ⓘ |
| namedFor | Wahweap Creek ⓘ |
| overlies | Straight Cliffs Formation ⓘ |
| partOf |
Grand Staircase–Escalante National Monument
ⓘ
Kaiparowits Plateau stratigraphic sequence ⓘ
linked to:
Kaiparowits Formation
Western Interior Basin ⓘ |
| preserves | Late Cretaceous terrestrial ecosystems ⓘ |
| region | Colorado Plateau ⓘ |
| researchInterest |
Late Cretaceous paleoecology
ⓘ
dinosaur paleobiogeography ⓘ vertebrate paleontology ⓘ |
| stratigraphicUnitOf | Upper Cretaceous ⓘ |
| underlies | Kaiparowits Formation ⓘ |
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: Wahweap Formation Description of subject: The Wahweap Formation is a Late Cretaceous sedimentary rock unit in southern Utah renowned for its rich fossil record of dinosaurs and other ancient life.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.