Entrada Sandstone
E260775
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Entrada Sandstone canonical | 37 |
| Entrada Sandstone formation | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2383050 — 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: Entrada Sandstone Context triple: [Arches National Park, rockType, Entrada Sandstone]
-
A.
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.
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B.
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.
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C.
Tura limestone
Tura limestone is a fine white Egyptian limestone historically prized for its high quality and used as the outer casing stone for major monuments such as the Great Pyramid of Giza.
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D.
Aztec Sandstone
Aztec Sandstone is a prominent Jurassic-age red and cream-colored sandstone formation known for creating the dramatic cliffs and rock formations of the Red Rock Canyon area near Las Vegas, Nevada.
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E.
Mitchell Limestone
Mitchell Limestone is a geologic limestone formation known from the Midwestern United States, recognized for its stratigraphic position and fossil-bearing carbonate rocks.
- 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: Entrada Sandstone Target entity description: 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.
-
A.
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.
-
B.
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.
-
C.
Tura limestone
Tura limestone is a fine white Egyptian limestone historically prized for its high quality and used as the outer casing stone for major monuments such as the Great Pyramid of Giza.
-
D.
Aztec Sandstone
Aztec Sandstone is a prominent Jurassic-age red and cream-colored sandstone formation known for creating the dramatic cliffs and rock formations of the Red Rock Canyon area near Las Vegas, Nevada.
-
E.
Mitchell Limestone
Mitchell Limestone is a geologic limestone formation known from the Midwestern United States, recognized for its stratigraphic position and fossil-bearing carbonate rocks.
- F. None of above. chosen
Statements (49)
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: Entrada Sandstone Description of subject: 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.
Referenced by (38)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Goblin Valley region (adjacent area)
subject linked to:
Three Gossips (rock formation)
linked to: Entrada Sandstone