Nazca oceanic crust volcanic provinces
E889791
Nazca oceanic crust volcanic provinces are a set of submarine volcanic regions on the Nazca Plate characterized by extensive seamount chains and volcanic edifices formed by hotspot and plate-tectonic processes in the southeastern Pacific Ocean.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Nazca oceanic crust volcanic provinces canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10853198 — 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: Nazca oceanic crust volcanic provinces Context triple: [Humboldt (Nazca) Seamount Chain, partOf, Nazca oceanic crust volcanic provinces]
-
A.
Pacific large igneous province system
The Pacific large igneous province system is a vast assemblage of massive volcanic regions on and around the Pacific Plate, formed by extensive mantle plume–driven magmatism over geological time.
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B.
Cocos Plate large igneous province
The Cocos Plate large igneous province is an extensive oceanic volcanic region on the Cocos Plate, formed by massive basaltic eruptions associated with hotspot activity in the eastern Pacific.
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C.
Andean back-arc basins
Andean back-arc basins are sedimentary basins that formed behind the Andean volcanic arc due to tectonic extension and subsidence related to subduction along the western margin of South America.
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D.
East Pacific tectonic system
The East Pacific tectonic system is a major geological region in the eastern Pacific Ocean characterized by active seafloor spreading, transform faults, and subduction zones that shape the surrounding oceanic plates and continental margins.
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E.
Cocos–Nazca spreading center
The Cocos–Nazca spreading center is a mid-ocean ridge in the eastern Pacific where tectonic divergence forms and separates the Cocos and Nazca plates.
- 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: Nazca oceanic crust volcanic provinces Target entity description: Nazca oceanic crust volcanic provinces are a set of submarine volcanic regions on the Nazca Plate characterized by extensive seamount chains and volcanic edifices formed by hotspot and plate-tectonic processes in the southeastern Pacific Ocean.
-
A.
Pacific large igneous province system
The Pacific large igneous province system is a vast assemblage of massive volcanic regions on and around the Pacific Plate, formed by extensive mantle plume–driven magmatism over geological time.
-
B.
Cocos Plate large igneous province
The Cocos Plate large igneous province is an extensive oceanic volcanic region on the Cocos Plate, formed by massive basaltic eruptions associated with hotspot activity in the eastern Pacific.
-
C.
Andean back-arc basins
Andean back-arc basins are sedimentary basins that formed behind the Andean volcanic arc due to tectonic extension and subsidence related to subduction along the western margin of South America.
-
D.
East Pacific tectonic system
The East Pacific tectonic system is a major geological region in the eastern Pacific Ocean characterized by active seafloor spreading, transform faults, and subduction zones that shape the surrounding oceanic plates and continental margins.
-
E.
Cocos–Nazca spreading center
The Cocos–Nazca spreading center is a mid-ocean ridge in the eastern Pacific where tectonic divergence forms and separates the Cocos and Nazca plates.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
geologic province
ⓘ
submarine volcanic province ⓘ tectonomagmatic province ⓘ |
| ageRange | Cenozoic to present ⓘ |
| associatedWith |
Nazca Plate motion
ⓘ
Pacific large-scale mantle upwelling ⓘ |
| characterizedBy |
seamount chains
ⓘ
submarine volcanism ⓘ volcanic edifices ⓘ |
| contains |
guyots
ⓘ
linear volcanic ridges ⓘ seamounts ⓘ submarine volcanic plateaus ⓘ |
| environment | deep-marine ⓘ |
| eruptiveProducts |
hyaloclastite breccias
ⓘ
pillow lavas ⓘ |
| formedBy |
hotspot volcanism
ⓘ
intraplate volcanism ⓘ mantle plume activity ⓘ plate-tectonic processes ⓘ |
| formedDuring | Cenozoic ⓘ |
| geneticType | intraplate seamount province ⓘ |
| hostRock | oceanic crust ⓘ |
| identifiedUsing |
bathymetric mapping
ⓘ
gravity anomaly data ⓘ magnetic anomaly data ⓘ marine geophysical surveys ⓘ seismic reflection data ⓘ |
| influencedBy |
Nazca Plate absolute motion
ⓘ
linked to:
Nazca Plate
spreading at the East Pacific Rise ⓘ subduction of the Nazca Plate beneath South America ⓘ |
| locatedIn | southeastern Pacific Ocean ⓘ |
| locatedOn | Nazca Plate ⓘ |
| magmaticComposition |
alkalic basalt
ⓘ
basaltic ⓘ tholeiitic basalt ⓘ |
| partOf | Pacific Ocean seafloor ⓘ |
| researchField |
geophysics
ⓘ
marine geology ⓘ plate tectonics ⓘ volcanology ⓘ |
| studiedBy |
geophysicists
ⓘ
marine geologists ⓘ volcanologists ⓘ |
| tectonicSetting |
Nazca Plate–South America Plate convergent margin region
ⓘ
oceanic plate interior ⓘ |
| underlies | southeastern Pacific Ocean water column ⓘ |
| volcanicStyle | effusive submarine eruptions ⓘ |
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: Nazca oceanic crust volcanic provinces Description of subject: Nazca oceanic crust volcanic provinces are a set of submarine volcanic regions on the Nazca Plate characterized by extensive seamount chains and volcanic edifices formed by hotspot and plate-tectonic processes in the southeastern Pacific Ocean.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.