Merriam Crater
E843743
Merriam Crater is a volcanic cone located within the San Francisco volcanic field in northern Arizona, known as part of the region’s extensive volcanic landscape.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Merriam Crater canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10107302 — 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: Merriam Crater Context triple: [San Francisco volcanic field, contains, Merriam Crater]
-
A.
Sherman Crater
Sherman Crater is a prominent volcanic crater on the south side of Mount Baker in Washington State, known for its active fumaroles and role in monitoring the volcano’s geothermal and eruptive activity.
-
B.
Belknap Crater
Belknap Crater is a cinder cone volcano in the central Oregon Cascades known for its extensive young lava flows and prominent volcanic landscape.
-
C.
Roche crater
Roche crater is a prominent impact feature on Mars’s moon Phobos, named after the French astronomer Édouard Roche.
-
D.
Shoemaker crater
Shoemaker crater is a permanently shadowed impact crater near the Moon’s south pole, notable for its extreme cold and potential deposits of water ice.
-
E.
Endurance Crater
Endurance Crater is a Martian impact crater on Meridiani Planum that was extensively studied by NASA’s Opportunity rover for insights into the planet’s geologic and aqueous history.
- 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: Merriam Crater Target entity description: Merriam Crater is a volcanic cone located within the San Francisco volcanic field in northern Arizona, known as part of the region’s extensive volcanic landscape.
-
A.
Sherman Crater
Sherman Crater is a prominent volcanic crater on the south side of Mount Baker in Washington State, known for its active fumaroles and role in monitoring the volcano’s geothermal and eruptive activity.
-
B.
Belknap Crater
Belknap Crater is a cinder cone volcano in the central Oregon Cascades known for its extensive young lava flows and prominent volcanic landscape.
-
C.
Roche crater
Roche crater is a prominent impact feature on Mars’s moon Phobos, named after the French astronomer Édouard Roche.
-
D.
Shoemaker crater
Shoemaker crater is a permanently shadowed impact crater near the Moon’s south pole, notable for its extreme cold and potential deposits of water ice.
-
E.
Endurance Crater
Endurance Crater is a Martian impact crater on Meridiani Planum that was extensively studied by NASA’s Opportunity rover for insights into the planet’s geologic and aqueous history.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
cinder cone
ⓘ
volcanic cone ⓘ |
| belongsTo | San Francisco volcanic field cinder cones ⓘ |
| composition | basaltic rock ⓘ |
| continent | North America ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| eruptionStyle | Strombolian ⓘ |
| eruptiveHistory | single main eruptive episode ⓘ |
| formedBy | explosive basaltic eruptions ⓘ |
| geologicAge | Quaternary ⓘ |
| geologicalSetting | intraplate volcanic field ⓘ |
| hasFeature |
crater at summit
ⓘ
lava fragments ⓘ scoria deposits ⓘ volcanic ash deposits ⓘ |
| hasOrigin | volcanic activity ⓘ |
| hazardLevel | low (dormant or extinct) ⓘ |
| isInProtectedArea | no ⓘ |
| isNaturalFeature | true ⓘ |
| isPartOf |
San Francisco Peaks volcanic system
NERFINISHED
ⓘ
extensive volcanic landscape of northern Arizona ⓘ |
| isVolcanicEdifice | true ⓘ |
| landformType | monogenetic volcano ⓘ |
| locatedIn |
Arizona
NERFINISHED
ⓘ
San Francisco volcanic field NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
northern Arizona ⓘ |
| locatedOn | Colorado Plateau NERFINISHED ⓘ |
| mapFeatureClass | summit ⓘ |
| morphology | steep-sided cinder cone ⓘ |
| namedAfter | unknown ⓘ |
| near | Flagstaff, Arizona NERFINISHED ⓘ |
| partOf |
Colorado Plateau volcanic province
NERFINISHED
ⓘ
San Francisco volcanic field NERFINISHED ⓘ |
| region |
southwestern United States
ⓘ
surface form:
Southwestern United States
|
| rockType | mafic volcanic rock ⓘ |
| scientificDiscipline | volcanology ⓘ |
| surfaceProcess | subject to erosion ⓘ |
| tectonicSetting | Basin and Range–Colorado Plateau transition zone ⓘ |
| USState | Arizona NERFINISHED ⓘ |
| volcanicField | San Francisco volcanic field NERFINISHED ⓘ |
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: Merriam Crater Description of subject: Merriam Crater is a volcanic cone located within the San Francisco volcanic field in northern Arizona, known as part of the region’s extensive volcanic landscape.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.