Keystone Thrust Fault
E112471
The Keystone Thrust Fault is a prominent geological feature near Las Vegas where older limestone rock has been pushed up and over younger sandstone, creating dramatic cliffs and colorful rock formations visible in Red Rock Canyon.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Keystone Thrust Fault canonical | 2 |
| Keystone Thrust | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T949165 — 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: Keystone Thrust Fault Context triple: [Red Rock Canyon National Conservation Area, hasFeature, Keystone Thrust Fault]
-
A.
Garlock Fault
The Garlock Fault is a major left-lateral strike-slip fault in southern California that forms the northern boundary of the Mojave Desert and plays a key role in the region’s complex tectonic deformation.
-
B.
Southern Uplands Fault
The Southern Uplands Fault is a major geological fault line in Scotland that marks the boundary between the Central Lowlands and the Southern Uplands, playing a key role in the region’s tectonic and landscape history.
-
C.
Queen Charlotte Fault
The Queen Charlotte Fault is a major transform fault off the Pacific Northwest coast that marks the tectonic boundary between the Pacific and North American Plates and is a significant source of earthquakes in the region.
-
D.
Heezen Fault Zone
The Heezen Fault Zone is a major undersea geological fault system named in honor of American oceanographer Bruce C. Heezen, recognized for his pioneering work in mapping the ocean floor.
-
E.
Septentrional-Oriente fault zone
The Septentrional-Oriente fault zone is a major strike-slip fault system in the northern Caribbean region that accommodates tectonic motion between the North American and Caribbean plates and is a significant source of regional earthquakes.
- 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: Keystone Thrust Fault Target entity description: The Keystone Thrust Fault is a prominent geological feature near Las Vegas where older limestone rock has been pushed up and over younger sandstone, creating dramatic cliffs and colorful rock formations visible in Red Rock Canyon.
-
A.
Garlock Fault
The Garlock Fault is a major left-lateral strike-slip fault in southern California that forms the northern boundary of the Mojave Desert and plays a key role in the region’s complex tectonic deformation.
-
B.
Southern Uplands Fault
The Southern Uplands Fault is a major geological fault line in Scotland that marks the boundary between the Central Lowlands and the Southern Uplands, playing a key role in the region’s tectonic and landscape history.
-
C.
Queen Charlotte Fault
The Queen Charlotte Fault is a major transform fault off the Pacific Northwest coast that marks the tectonic boundary between the Pacific and North American Plates and is a significant source of earthquakes in the region.
-
D.
Heezen Fault Zone
The Heezen Fault Zone is a major undersea geological fault system named in honor of American oceanographer Bruce C. Heezen, recognized for his pioneering work in mapping the ocean floor.
-
E.
Septentrional-Oriente fault zone
The Septentrional-Oriente fault zone is a major strike-slip fault system in the northern Caribbean region that accommodates tectonic motion between the North American and Caribbean plates and is a significant source of regional earthquakes.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
geologic formation
ⓘ
geologic structure ⓘ thrust fault ⓘ |
| age | Mesozoic ⓘ |
| consistsOf | older limestone ⓘ |
| contributesTo | scenic value of Red Rock Canyon ⓘ |
| creates |
colorful rock formations
ⓘ
dramatic cliffs ⓘ |
| discoveredBy | geologists in early 20th century ⓘ |
| educationalUse |
field site for university geology courses
ⓘ
interpretive displays in Red Rock Canyon visitor area ⓘ |
| exposes | Paleozoic carbonate rocks ⓘ |
| formedBy | compressional tectonic forces ⓘ |
| forms | distinct linear escarpment ⓘ |
| hasAccess | designated hiking trailhead in Red Rock Canyon ⓘ |
| hasColorContrast | gray limestone over red sandstone ⓘ |
| hasTrail | Keystone Thrust Trail ⓘ |
| locatedIn |
Clark County, Nevada
ⓘ
linked to:
Clark County
Nevada ⓘ Red Rock Canyon National Conservation Area ⓘ United States ⓘ
linked to:
United States of America
|
| managedBy |
Bureau of Land Management
ⓘ
linked to:
U.S. Bureau of Land Management
|
| mapSymbol | thrust fault line with teeth on upper plate side ⓘ |
| movementType | low-angle reverse faulting ⓘ |
| near | Las Vegas, Nevada ⓘ |
| orientation | generally north-south ⓘ |
| overlies |
Mesozoic sedimentary rocks
ⓘ
younger sandstone ⓘ |
| partOf |
Basin and Range Province
ⓘ
Spring Mountains ⓘ |
| popularFor |
geology education
ⓘ
hiking ⓘ sightseeing ⓘ |
| relatedTo | Sevier orogeny ⓘ |
| safetyNote | area subject to rockfall hazards ⓘ |
| significance |
classic example of older rocks thrust over younger rocks
ⓘ
important feature for studying regional tectonics of southern Nevada ⓘ |
| tectonicSetting | Cordilleran fold-and-thrust belt ⓘ |
| touristAttraction | yes ⓘ |
| usedFor | public interpretation of geologic time ⓘ |
| visibleAs | contact between gray limestone and red sandstone ⓘ |
| visibleAt | Red Rock Canyon Scenic Drive ⓘ |
| visibleFrom |
Calico Hills area
ⓘ
linked to:
Calico Hills
Keystone Thrust Trail ⓘ |
| within |
Mojave Desert region
ⓘ
linked to:
Mojave Desert
|
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: Keystone Thrust Fault Description of subject: The Keystone Thrust Fault is a prominent geological feature near Las Vegas where older limestone rock has been pushed up and over younger sandstone, creating dramatic cliffs and colorful rock formations visible in Red Rock Canyon.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Keystone Thrust Fault