Nazca Basin
E51832
The Nazca Basin is a deep oceanic basin in the southeastern Pacific Ocean associated with the tectonically active Nazca Plate and the adjacent Peru–Chile Trench.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Nazca Basin canonical | 1 |
| Rio Grande de Nazca basin | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T401896 — 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 Basin Context triple: [Nazca Plate, underlies, Nazca Basin]
-
A.
Limarí Valley
Limarí Valley is a semi-arid wine-producing valley in northern Chile known for its cool coastal influence, limestone-rich soils, and high-quality Chardonnay and Pinot Noir.
-
B.
Chillán Basin
The Chillán Basin is a geographic depression in south-central Chile known for its agricultural lands and proximity to volcanic and geothermal activity.
-
C.
Puna de Atacama
Puna de Atacama is a high-altitude plateau in the central Andes, spanning parts of northern Chile and northwestern Argentina, known for its arid climate, salt flats, and volcanic peaks.
-
D.
Talca Basin
The Talca Basin is a geological and agricultural subregion in central Chile known for its fertile plains, viticulture, and role in the country’s Central Valley landscape.
-
E.
Meseta Central
Meseta Central is a vast highland plateau in central Spain that forms the core of the Iberian Peninsula’s interior landscape.
- 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 Basin Target entity description: The Nazca Basin is a deep oceanic basin in the southeastern Pacific Ocean associated with the tectonically active Nazca Plate and the adjacent Peru–Chile Trench.
-
A.
Limarí Valley
Limarí Valley is a semi-arid wine-producing valley in northern Chile known for its cool coastal influence, limestone-rich soils, and high-quality Chardonnay and Pinot Noir.
-
B.
Chillán Basin
The Chillán Basin is a geographic depression in south-central Chile known for its agricultural lands and proximity to volcanic and geothermal activity.
-
C.
Puna de Atacama
Puna de Atacama is a high-altitude plateau in the central Andes, spanning parts of northern Chile and northwestern Argentina, known for its arid climate, salt flats, and volcanic peaks.
-
D.
Talca Basin
The Talca Basin is a geological and agricultural subregion in central Chile known for its fertile plains, viticulture, and role in the country’s Central Valley landscape.
-
E.
Meseta Central
Meseta Central is a vast highland plateau in central Spain that forms the core of the Iberian Peninsula’s interior landscape.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
oceanic basin
ⓘ
submarine geological feature ⓘ |
| adjacentTo |
Atacama Trench
ⓘ
surface form:
Peru–Chile Trench
Pacific coast of South America ⓘ
surface form:
South American continental margin
|
| associatedWith |
Nazca Plate
ⓘ
Atacama Trench ⓘ
surface form:
Peru–Chile Trench
|
| boundedBy |
East Pacific Rise
ⓘ
Galápagos Rise ⓘ Atacama Trench ⓘ
surface form:
Peru–Chile Trench
|
| crustType | oceanic crust ⓘ |
| featureOf |
Nazca Plate
ⓘ
surface form:
Nazca oceanic plate
|
| floorComposition | basaltic oceanic crust ⓘ |
| formedBy | oceanic plate tectonics ⓘ |
| geodynamicSignificance | records convergence between Nazca Plate and South American Plate ⓘ |
| geologicalProcess | subduction of Nazca Plate beneath South American Plate ⓘ |
| geologicalProvince |
Nazca Plate
ⓘ
surface form:
Nazca Plate domain
|
| liesEastOf | East Pacific Rise ⓘ |
| liesOffCoastOf |
Chile
ⓘ
Peru ⓘ |
| liesWestOf |
Atacama Trench
ⓘ
surface form:
Peru–Chile Trench
South America ⓘ |
| locatedIn |
Southeastern Pacific Ocean
ⓘ
surface form:
southeastern Pacific Ocean
|
| maximumDepth | over 4000 metres ⓘ |
| morphology | abyssal plain and deep basin topography ⓘ |
| namedAfter | Nazca Plate ⓘ |
| oceanBasinType | deep oceanic basin ⓘ |
| oceanFloorFeature | true ⓘ |
| oceanography | influenced by Humboldt Current system ⓘ |
| overlainBy | marine sediments ⓘ |
| partOf |
Nazca Plate
ⓘ
surface form:
Nazca oceanic domain
Pacific Ocean ⓘ Southeast Pacific ocean floor ⓘ |
| region |
Southeastern Pacific Ocean
ⓘ
surface form:
Southeast Pacific
|
| relatedTo | Andean orogeny ⓘ |
| researchField |
marine geology
ⓘ
plate tectonics ⓘ |
| seafloorAge | Mesozoic–Cenozoic oceanic crust ⓘ |
| seafloorSpreading | East Pacific Rise ⓘ |
| sedimentSource | continental margin of South America ⓘ |
| sedimentType |
pelagic sediments
ⓘ
turbidites ⓘ |
| subductionRelated | true ⓘ |
| tectonicallyActive | true ⓘ |
| tectonicSetting |
convergent plate margin
ⓘ
subduction zone ⓘ |
| underlainBy | Nazca Plate ⓘ |
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 Basin Description of subject: The Nazca Basin is a deep oceanic basin in the southeastern Pacific Ocean associated with the tectonically active Nazca Plate and the adjacent Peru–Chile Trench.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.