Glass Mountain
E99784
Glass Mountain is a prominent obsidian lava dome complex on the eastern flank of Medicine Lake Volcano in northern California, known for its extensive glassy rhyolitic flows.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Glass Mountain canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T695912 — 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: Glass Mountain Context triple: [Medicine Lake Volcano, hasObsidianDome, Glass Mountain]
-
A.
Savage Mountain
Savage Mountain is the ominous nickname for K2, the world’s second-highest peak, renowned for its extreme difficulty and high fatality rate among climbers.
-
B.
Rainmaker Mountain
Rainmaker Mountain is a prominent, rainforest-covered peak on Tutuila Island in American Samoa, known for its steep slopes and heavy rainfall.
-
C.
Wildcat Mountain
Wildcat Mountain is a New Hampshire ski area known for its challenging terrain and classic New England skiing experience, now part of the Vail Resorts portfolio.
-
D.
Bald Mountain
Bald Mountain is a prominent peak in Nevada’s Snake Range, known for its high elevation and rugged Great Basin terrain.
-
E.
Star Mountain
Star Mountain is the English translation of the Nahuatl name for Pico de Orizaba, the highest volcano in North America and a prominent peak in Mexico.
- 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: Glass Mountain Target entity description: Glass Mountain is a prominent obsidian lava dome complex on the eastern flank of Medicine Lake Volcano in northern California, known for its extensive glassy rhyolitic flows.
-
A.
Savage Mountain
Savage Mountain is the ominous nickname for K2, the world’s second-highest peak, renowned for its extreme difficulty and high fatality rate among climbers.
-
B.
Rainmaker Mountain
Rainmaker Mountain is a prominent, rainforest-covered peak on Tutuila Island in American Samoa, known for its steep slopes and heavy rainfall.
-
C.
Wildcat Mountain
Wildcat Mountain is a New Hampshire ski area known for its challenging terrain and classic New England skiing experience, now part of the Vail Resorts portfolio.
-
D.
Bald Mountain
Bald Mountain is a prominent peak in Nevada’s Snake Range, known for its high elevation and rugged Great Basin terrain.
-
E.
Star Mountain
Star Mountain is the English translation of the Nahuatl name for Pico de Orizaba, the highest volcano in North America and a prominent peak in Mexico.
- F. None of above. chosen
Statements (34)
| Predicate | Object |
|---|---|
| instanceOf |
obsidian lava dome complex
ⓘ
volcanic landform ⓘ |
| access | reached by forest roads in the Medicine Lake area ⓘ |
| age | Holocene ⓘ |
| color | dark gray to black ⓘ |
| composition |
obsidian
ⓘ
rhyolite ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| dominantMagmaType | high-silica rhyolite ⓘ |
| eruptionProduct |
blocky lava flow
ⓘ
lava dome ⓘ |
| eruptionStyle | effusive ⓘ |
| geologicalSetting | back-arc region east of the main Cascade arc ⓘ |
| hazardType |
lava flows
ⓘ
tephra fall ⓘ |
| isPartOf |
Medicine Lake Volcano
ⓘ
surface form:
Medicine Lake Volcano edifice
|
| lastEruptionPeriod | Holocene ⓘ |
| locatedIn |
Medicine Lake Highlands
ⓘ
Modoc County, California ⓘ Siskiyou County, California ⓘ eastern flank of Medicine Lake Volcano ⓘ Northern California ⓘ
surface form:
northern California
|
| materialUse | source of obsidian for tool-making by Indigenous peoples ⓘ |
| namedAfter | its glassy obsidian surface ⓘ |
| near | Medicine Lake ⓘ |
| partOf |
Cascade Volcanic Arc
ⓘ
surface form:
Cascade Range volcanic arc
|
| protectedArea | within national forest lands ⓘ |
| region |
Cascade Range volcanic province
ⓘ
surface form:
Cascade volcanic province
|
| rockType | glassy rhyolite ⓘ |
| surfaceFeature |
extensive glassy rhyolitic flows
ⓘ
obsidian flow fronts ⓘ steep-sided lava domes ⓘ |
| texture | vitreous ⓘ |
| volcanicField | Medicine Lake Volcano ⓘ |
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: Glass Mountain Description of subject: Glass Mountain is a prominent obsidian lava dome complex on the eastern flank of Medicine Lake Volcano in northern California, known for its extensive glassy rhyolitic flows.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.