Snake River Plain volcanic fields
E575437
The Snake River Plain volcanic fields are a series of extensive basaltic lava flows and volcanic features in Idaho that record the westward track of the Yellowstone hotspot across the Intermountain West.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Snake River Plain volcanic fields canonical | 1 |
| Snake River Plain volcanic province | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6195665 — 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: Snake River Plain volcanic fields Context triple: [Intermountain West, contains, Snake River Plain volcanic fields]
-
A.
High Lava Plains
The High Lava Plains is a volcanic plateau in southeastern Oregon characterized by extensive basaltic lava flows, scattered cinder cones, and high-elevation desert landscapes.
-
B.
Pali-Aike volcanic field
Pali-Aike volcanic field is a remote volcanic region in southern Patagonia characterized by extensive basaltic lava flows, maars, and volcanic cones spanning the Chile–Argentina border.
-
C.
Wrangell volcanic field
The Wrangell volcanic field is a large volcanic region in eastern Alaska characterized by massive shield and stratovolcanoes, extensive lava flows, and long-lived volcanic activity associated with the Wrangell Mountains.
-
D.
Clear Lake volcanic field
Clear Lake volcanic field is a geologically active volcanic region in Northern California known for its young volcanic features, geothermal activity, and associated hazards.
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E.
Cook Inlet volcanic province
The Cook Inlet volcanic province is a geologically active region in south-central Alaska characterized by a chain of prominent stratovolcanoes along the Cook Inlet, several of which have a history of explosive eruptions.
- 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: Snake River Plain volcanic fields Target entity description: The Snake River Plain volcanic fields are a series of extensive basaltic lava flows and volcanic features in Idaho that record the westward track of the Yellowstone hotspot across the Intermountain West.
-
A.
High Lava Plains
The High Lava Plains is a volcanic plateau in southeastern Oregon characterized by extensive basaltic lava flows, scattered cinder cones, and high-elevation desert landscapes.
-
B.
Pali-Aike volcanic field
Pali-Aike volcanic field is a remote volcanic region in southern Patagonia characterized by extensive basaltic lava flows, maars, and volcanic cones spanning the Chile–Argentina border.
-
C.
Wrangell volcanic field
The Wrangell volcanic field is a large volcanic region in eastern Alaska characterized by massive shield and stratovolcanoes, extensive lava flows, and long-lived volcanic activity associated with the Wrangell Mountains.
-
D.
Clear Lake volcanic field
Clear Lake volcanic field is a geologically active volcanic region in Northern California known for its young volcanic features, geothermal activity, and associated hazards.
-
E.
Cook Inlet volcanic province
The Cook Inlet volcanic province is a geologically active region in south-central Alaska characterized by a chain of prominent stratovolcanoes along the Cook Inlet, several of which have a history of explosive eruptions.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
basaltic lava field
ⓘ
volcanic field ⓘ |
| ageRange | Miocene to Holocene ⓘ |
| associatedWith |
Columbia River Basalt Group
NERFINISHED
ⓘ
Yellowstone Plateau volcanic field NERFINISHED ⓘ |
| contains |
Craters of the Moon lava field
NERFINISHED
ⓘ
Craters of the Moon shield volcanoes ⓘ Hell's Half Acre lava field NERFINISHED ⓘ Hells Half Acre shield volcano NERFINISHED ⓘ Kings Bowl lava field NERFINISHED ⓘ Shoshone lava field NERFINISHED ⓘ Wapi lava field ⓘ cinder cones ⓘ fissure eruptions ⓘ lava tubes ⓘ rift zones ⓘ shield volcanoes ⓘ spatter cones ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| dominantComposition | mafic lava ⓘ |
| eruptionStyle | effusive basaltic volcanism ⓘ |
| formedBy | Yellowstone hotspot NERFINISHED ⓘ |
| geologicalProvince |
Basin and Range Province
NERFINISHED
ⓘ
Northern Rocky Mountains region NERFINISHED ⓘ |
| governingBody | United States Geological Survey NERFINISHED ⓘ |
| hazardType | basaltic lava flows ⓘ |
| lastEruptionApprox | Holocene epoch ⓘ |
| locatedIn |
Idaho
ⓘ
Snake River Plain NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
|
| monitoredBy |
United States Geological Survey
NERFINISHED
ⓘ
Yellowstone Volcano Observatory NERFINISHED ⓘ |
| notableFor |
extensive basaltic lava flows
ⓘ
well-preserved Holocene lava fields ⓘ |
| oldestActivity | Miocene ⓘ |
| orientation | concave northward arcuate plain ⓘ |
| overlies | North American craton margin NERFINISHED ⓘ |
| partOf | Intermountain West NERFINISHED ⓘ |
| records | westward track of the Yellowstone hotspot ⓘ |
| researchInterest |
hotspot track dynamics
ⓘ
mantle plume–lithosphere interaction ⓘ |
| rockType | basalt ⓘ |
| tectonicSetting |
extensional tectonic regime
ⓘ
intraplate hotspot track ⓘ |
| trend | northeast–southwest ⓘ |
| volcanicArcOrBelt | Yellowstone hotspot track NERFINISHED ⓘ |
| youngestActivity | Holocene ⓘ |
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: Snake River Plain volcanic fields Description of subject: The Snake River Plain volcanic fields are a series of extensive basaltic lava flows and volcanic features in Idaho that record the westward track of the Yellowstone hotspot across the Intermountain West.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
Craters of the Moon National Monument and Preserve
→
volcanicProvince
→
Snake River Plain volcanic fields
ⓘ
this entity surface form:
Snake River Plain volcanic province