Kayenta Formation
E129871
The Kayenta Formation is an Early Jurassic sandstone and siltstone rock unit on the Colorado Plateau, renowned for its distinctive red cliffs and important dinosaur fossil trackways.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Kayenta Formation canonical | 4 |
| Glen Canyon Group | 1 |
| Moenave Formation | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1128587 — 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: Kayenta Formation Context triple: [Colorado Plateau, notableRockFormations, Kayenta Formation]
-
A.
Holston Formation
The Holston Formation is a geologic unit in eastern Tennessee renowned for its high-quality crystalline limestone commonly marketed as Tennessee marble and widely used in prominent architectural projects.
-
B.
Morrison Formation
The Morrison Formation is a vast Late Jurassic sedimentary rock formation in the western United States renowned for its exceptionally rich assemblage of dinosaur fossils, including iconic sauropods and theropods.
-
C.
Raton Basin
Raton Basin is a geologic structural basin spanning southern Colorado and northern New Mexico, known for its coal, coalbed methane resources, and distinctive sedimentary rock formations.
-
D.
Mono Basin
Mono Basin is a high-desert watershed in eastern California best known for Mono Lake, its striking tufa formations, and its dramatic Eastern Sierra scenery.
-
E.
Morongo Basin
The Morongo Basin is a high desert region in Southern California’s Mojave Desert, known for its scattered communities, arid landscapes, and proximity to Joshua Tree National Park.
- 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: Kayenta Formation Target entity description: The Kayenta Formation is an Early Jurassic sandstone and siltstone rock unit on the Colorado Plateau, renowned for its distinctive red cliffs and important dinosaur fossil trackways.
-
A.
Holston Formation
The Holston Formation is a geologic unit in eastern Tennessee renowned for its high-quality crystalline limestone commonly marketed as Tennessee marble and widely used in prominent architectural projects.
-
B.
Morrison Formation
The Morrison Formation is a vast Late Jurassic sedimentary rock formation in the western United States renowned for its exceptionally rich assemblage of dinosaur fossils, including iconic sauropods and theropods.
-
C.
Raton Basin
Raton Basin is a geologic structural basin spanning southern Colorado and northern New Mexico, known for its coal, coalbed methane resources, and distinctive sedimentary rock formations.
-
D.
Mono Basin
Mono Basin is a high-desert watershed in eastern California best known for Mono Lake, its striking tufa formations, and its dramatic Eastern Sierra scenery.
-
E.
Morongo Basin
The Morongo Basin is a high desert region in Southern California’s Mojave Desert, known for its scattered communities, arid landscapes, and proximity to Joshua Tree National Park.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
geologic formation
ⓘ
sedimentary rock unit ⓘ |
| age |
Pliensbachian
ⓘ
Sinemurian ⓘ |
| color | red ⓘ |
| contains |
channel sandstones
ⓘ
overbank siltstones ⓘ paleosols ⓘ |
| containsFossilsOf |
amphibians
ⓘ
dinosaurs ⓘ early mammals ⓘ fish ⓘ invertebrates ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| depositionalEnvironment |
fluvial
ⓘ
lacustrine ⓘ |
| exposedIn |
Arizona
ⓘ
Colorado ⓘ New Mexico ⓘ Utah ⓘ |
| fossilSiteType | tracksite ⓘ |
| geologicPeriod | Early Jurassic ⓘ |
| geologicProvince |
Colorado Plateau
ⓘ
surface form:
Colorado Plateau Province
|
| hasCharacteristic |
cross-bedding
ⓘ
distinctive red cliffs ⓘ ripple marks ⓘ |
| hasRockType |
conglomerate
ⓘ
mudstone ⓘ |
| hasScientificInterest |
paleontology
ⓘ
sedimentology ⓘ stratigraphy ⓘ |
| knownFor |
dinosaur trackways
ⓘ
vertebrate fossils ⓘ |
| lithology |
sandstone
ⓘ
siltstone ⓘ |
| locatedIn | Colorado Plateau ⓘ |
| namedAfter | Kayenta, Arizona ⓘ |
| overlies | Wingate Sandstone ⓘ |
| partOf |
Colorado Plateau
ⓘ
surface form:
Colorado Plateau stratigraphy
Glen Canyon Group ⓘ |
| region |
southwestern United States
ⓘ
surface form:
Southwestern United States
|
| stratigraphicUnitOf | Mesozoic Era ⓘ |
| timeSpan | approximately 199–190 million years ago ⓘ |
| underlies | Navajo Sandstone ⓘ |
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: Kayenta Formation Description of subject: The Kayenta Formation is an Early Jurassic sandstone and siltstone rock unit on the Colorado Plateau, renowned for its distinctive red cliffs and important dinosaur fossil trackways.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Glen Canyon Group
this entity surface form:
Moenave Formation