Cedar Mesa Sandstone
E950479
Cedar Mesa Sandstone is a Permian-age sedimentary rock formation of thick, pale sandstone layers widely exposed on the Colorado Plateau in southeastern Utah.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cedar Mesa Sandstone canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11839551 — 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: Cedar Mesa Sandstone Context triple: [The Needles, geologicFormation, Cedar Mesa Sandstone]
-
A.
Coconino Sandstone
Coconino Sandstone is a prominent Permian-age geological formation of well-sorted, cross-bedded sandstone best known from exposures in the Grand Canyon region of the southwestern United States.
-
B.
Navajo Sandstone
Navajo Sandstone is a massive, pale to reddish Jurassic-age sandstone formation on the Colorado Plateau, renowned for its sweeping cross-bedded cliffs and iconic desert landscapes.
-
C.
Kaibab Limestone
Kaibab Limestone is a prominent Permian-age sedimentary rock layer that forms the resistant caprock of the Grand Canyon and many other cliffs and plateaus across the Colorado Plateau.
-
D.
Entrada Sandstone
Entrada Sandstone is a Jurassic-age sedimentary rock formation in the U.S. Southwest, renowned for forming the dramatic natural arches and other erosional landforms seen in places like Arches National Park.
-
E.
Wingate Sandstone
Wingate Sandstone is a prominent Late Triassic sandstone formation of the Colorado Plateau, known for forming towering vertical cliffs and dramatic canyon walls in places like Capitol Reef 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: Cedar Mesa Sandstone Target entity description: Cedar Mesa Sandstone is a Permian-age sedimentary rock formation of thick, pale sandstone layers widely exposed on the Colorado Plateau in southeastern Utah.
-
A.
Coconino Sandstone
Coconino Sandstone is a prominent Permian-age geological formation of well-sorted, cross-bedded sandstone best known from exposures in the Grand Canyon region of the southwestern United States.
-
B.
Navajo Sandstone
Navajo Sandstone is a massive, pale to reddish Jurassic-age sandstone formation on the Colorado Plateau, renowned for its sweeping cross-bedded cliffs and iconic desert landscapes.
-
C.
Kaibab Limestone
Kaibab Limestone is a prominent Permian-age sedimentary rock layer that forms the resistant caprock of the Grand Canyon and many other cliffs and plateaus across the Colorado Plateau.
-
D.
Entrada Sandstone
Entrada Sandstone is a Jurassic-age sedimentary rock formation in the U.S. Southwest, renowned for forming the dramatic natural arches and other erosional landforms seen in places like Arches National Park.
-
E.
Wingate Sandstone
Wingate Sandstone is a prominent Late Triassic sandstone formation of the Colorado Plateau, known for forming towering vertical cliffs and dramatic canyon walls in places like Capitol Reef National Park.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
geologic formation
ⓘ
sedimentary rock unit ⓘ |
| bedding | thick-bedded ⓘ |
| color |
light-colored
ⓘ
pale tan ⓘ |
| contains |
carbonate lenses
ⓘ
interbedded shale ⓘ interbedded siltstone ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| depositionalEnvironment |
coastal sabkha
ⓘ
eolian ⓘ shallow-marine ⓘ |
| exposedAt |
Bears Ears region
NERFINISHED
ⓘ
Cedar Mesa, Utah NERFINISHED ⓘ Grand Gulch area NERFINISHED ⓘ Natural Bridges National Monument vicinity ⓘ |
| forms |
canyons
ⓘ
cliffs ⓘ mesas ⓘ |
| geologicAge | Permian ⓘ |
| geologicPeriod | Permian ⓘ |
| geologicTimeSpan | Early Permian ⓘ |
| hasEconomicUse | building stone (local) ⓘ |
| lithology | sandstone ⓘ |
| locatedIn |
Colorado Plateau
NERFINISHED
ⓘ
southeastern Utah NERFINISHED ⓘ |
| namedFor | Cedar Mesa NERFINISHED ⓘ |
| overlies | Honaker Trail Formation NERFINISHED ⓘ |
| partOf |
Cutler Formation (historical usage)
NERFINISHED
ⓘ
Cutler Group NERFINISHED ⓘ |
| primaryLithology | pale sandstone ⓘ |
| region | Four Corners area NERFINISHED ⓘ |
| sedimentaryStructure |
cross-bedding
ⓘ
ripple marks ⓘ |
| stratigraphicUnitOf | Colorado Plateau stratigraphy ⓘ |
| texture | fine- to medium-grained ⓘ |
| thickness | hundreds of meters (variable) ⓘ |
| underlies | Organ Rock Formation NERFINISHED ⓘ |
| usedIn | stratigraphic correlation on the Colorado Plateau ⓘ |
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: Cedar Mesa Sandstone Description of subject: Cedar Mesa Sandstone is a Permian-age sedimentary rock formation of thick, pale sandstone layers widely exposed on the Colorado Plateau in southeastern Utah.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.