Barrier lava dam
E480274
Barrier lava dam is a natural volcanic rock formation in British Columbia that impounds Garibaldi Lake by blocking the valley with thick lava flows.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Barrier lava dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4925349 — 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: Barrier lava dam Context triple: [Garibaldi Lake volcanic field, contains, Barrier lava dam]
-
A.
Spillway
Spillway is a lesser-known work by modernist writer Djuna Barnes, reflecting her distinctive experimental style and themes.
-
B.
Dike
Dike is the Greek goddess of justice and moral order, often depicted as a guardian of human righteousness and fairness.
-
C.
San Andreas Dam
San Andreas Dam is an earth-fill embankment dam in San Mateo County, California, that impounds San Andreas Lake as part of the Hetch Hetchy Regional Water System serving the San Francisco Bay Area.
-
D.
Valvan Dam
Valvan Dam is a scenic reservoir and popular picnic spot near Lonavala in Maharashtra, known for its tranquil lake, lush surroundings, and pleasant climate.
-
E.
Nimbus Dam
Nimbus Dam is a concrete gravity dam on the American River in California that forms Lake Natoma and helps regulate water flow, provide hydroelectric power, and support regional water supply and recreation.
- 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: Barrier lava dam Target entity description: Barrier lava dam is a natural volcanic rock formation in British Columbia that impounds Garibaldi Lake by blocking the valley with thick lava flows.
-
A.
Spillway
Spillway is a lesser-known work by modernist writer Djuna Barnes, reflecting her distinctive experimental style and themes.
-
B.
Dike
Dike is the Greek goddess of justice and moral order, often depicted as a guardian of human righteousness and fairness.
-
C.
San Andreas Dam
San Andreas Dam is an earth-fill embankment dam in San Mateo County, California, that impounds San Andreas Lake as part of the Hetch Hetchy Regional Water System serving the San Francisco Bay Area.
-
D.
Valvan Dam
Valvan Dam is a scenic reservoir and popular picnic spot near Lonavala in Maharashtra, known for its tranquil lake, lush surroundings, and pleasant climate.
-
E.
Nimbus Dam
Nimbus Dam is a concrete gravity dam on the American River in California that forms Lake Natoma and helps regulate water flow, provide hydroelectric power, and support regional water supply and recreation.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
lava dam
ⓘ
natural rock formation ⓘ volcanic landform ⓘ |
| access | hiking trails from Rubble Creek parking area ⓘ |
| age | Holocene ⓘ |
| associatedWith | Garibaldi Lake volcanic field ⓘ |
| blocks | valley below Garibaldi Lake ⓘ |
| composition | andesitic lava ⓘ |
| continent | North America ⓘ |
| country | Canada ⓘ |
| createdBy | eruptions of Mount Price area vents ⓘ |
| drainage |
Cheakamus River system
ⓘ
linked to:
Cheakamus River
|
| elevation | approximately 1400 metres above sea level ⓘ |
| formedBy | thick lava flows ⓘ |
| formedFrom | lava flows that filled a pre-existing valley ⓘ |
| function | natural dam ⓘ |
| geologicalPeriod |
Quaternary
ⓘ
linked to:
Quaternary period
|
| hazardStatus | geologically unstable ⓘ |
| height | approximately 250 metres above valley floor ⓘ |
| impounds | Garibaldi Lake ⓘ |
| landformType | lava flow dam ⓘ |
| length | approximately 2 kilometres ⓘ |
| locatedIn |
British Columbia
ⓘ
Coast Mountains ⓘ Garibaldi Provincial Park ⓘ Pacific Ranges ⓘ |
| monitoredBy |
British Columbia government agencies
ⓘ
Geological Survey of Canada ⓘ |
| near |
Squamish, British Columbia
ⓘ
linked to:
Squamish
Whistler, British Columbia ⓘ
linked to:
Whistler
|
| notableFor |
impounding a large alpine lake
ⓘ
potential landslide and flood hazard ⓘ |
| overlooks |
Cheakamus River valley
ⓘ
linked to:
Cheakamus River
|
| partOf |
Canadian Cascade Arc
ⓘ
linked to:
Canadian Cascades
Garibaldi Volcanic Belt ⓘ |
| protectedAreaStatus | within a provincial park ⓘ |
| province | British Columbia ⓘ |
| region | Southwestern British Columbia ⓘ |
| retains | large volume of lake water ⓘ |
| risk | potential catastrophic collapse ⓘ |
| riskTo |
Cheakamus River valley
ⓘ
linked to:
Cheakamus River
settlements downstream including Squamish ⓘ |
| rockType | volcanic rock ⓘ |
| surfaceFeature |
columnar jointing in lava
ⓘ
steep cliffs ⓘ |
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: Barrier lava dam Description of subject: Barrier lava dam is a natural volcanic rock formation in British Columbia that impounds Garibaldi Lake by blocking the valley with thick lava flows.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.