Atlantic continental margin of South America
E824952
The Atlantic continental margin of South America is the broad submerged edge of the South American continent along the Atlantic Ocean, encompassing extensive continental shelves, slopes, and rises such as the Patagonian Shelf.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Atlantic continental margin of South America canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9851135 — 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: Atlantic continental margin of South America Context triple: [Patagonian Shelf, partOf, Atlantic continental margin of South America]
-
A.
Pacific margin of the Americas
The Pacific margin of the Americas is the tectonically active western edge of North and South America, characterized by subduction zones, mountain-building, and frequent earthquakes and volcanism along the Pacific Ocean.
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B.
North American continental margin
The North American continental margin is the submerged outer edge of the North American tectonic plate, extending from the coastline across the continental shelf, slope, and rise into the deep ocean basins.
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C.
Pacific coast of South America
The Pacific coast of South America is the long western shoreline of the continent, stretching from Colombia to Chile and Peru along the Pacific Ocean and encompassing major ports, rich marine ecosystems, and diverse coastal landscapes.
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D.
Colombian continental margin
The Colombian continental margin is the submerged outer edge of the South American continent off Colombia’s Caribbean coast, where the shallow continental shelf transitions into the deeper Colombian Basin.
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E.
Atlantic coast of Argentina
The Atlantic coast of Argentina is a long, sparsely populated shoreline along the South Atlantic Ocean, known for its cold waters, rich marine biodiversity, and important fishing and port cities such as Mar del Plata and Bahía Blanca.
- 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: Atlantic continental margin of South America Target entity description: The Atlantic continental margin of South America is the broad submerged edge of the South American continent along the Atlantic Ocean, encompassing extensive continental shelves, slopes, and rises such as the Patagonian Shelf.
-
A.
Pacific margin of the Americas
The Pacific margin of the Americas is the tectonically active western edge of North and South America, characterized by subduction zones, mountain-building, and frequent earthquakes and volcanism along the Pacific Ocean.
-
B.
North American continental margin
The North American continental margin is the submerged outer edge of the North American tectonic plate, extending from the coastline across the continental shelf, slope, and rise into the deep ocean basins.
-
C.
Pacific coast of South America
The Pacific coast of South America is the long western shoreline of the continent, stretching from Colombia to Chile and Peru along the Pacific Ocean and encompassing major ports, rich marine ecosystems, and diverse coastal landscapes.
-
D.
Colombian continental margin
The Colombian continental margin is the submerged outer edge of the South American continent off Colombia’s Caribbean coast, where the shallow continental shelf transitions into the deeper Colombian Basin.
-
E.
Atlantic coast of Argentina
The Atlantic coast of Argentina is a long, sparsely populated shoreline along the South Atlantic Ocean, known for its cold waters, rich marine biodiversity, and important fishing and port cities such as Mar del Plata and Bahía Blanca.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
continental margin
ⓘ
physiographic region ⓘ |
| adjacentTo |
Argentine coast
NERFINISHED
ⓘ
Brazilian coast NERFINISHED ⓘ Falkland Plateau region NERFINISHED ⓘ Uruguayan coast NERFINISHED ⓘ |
| borders | Atlantic Ocean ⓘ |
| boundedBy |
continental interior of South America to the west
ⓘ
deep ocean basins of the South Atlantic to the east ⓘ |
| characterizedBy |
broad continental shelves in southern sectors
ⓘ
narrower continental shelves in tropical sectors ⓘ |
| developedSince | Mesozoic era ⓘ |
| extendsAlong | eastern margin of South America ⓘ |
| formedBy | passive continental margin processes ⓘ |
| governedBy | exclusive economic zones of South American coastal states ⓘ |
| hasPart |
Argentine continental slope
ⓘ
Brazilian continental shelf ⓘ Guiana continental shelf NERFINISHED ⓘ Patagonian Shelf NERFINISHED ⓘ continental rise ⓘ continental shelf ⓘ continental slope ⓘ |
| hasSedimentaryCover | thick marine sedimentary sequences ⓘ |
| hasVariable | shelf width along its length ⓘ |
| importantFor |
fisheries
ⓘ
hydrocarbon resources ⓘ marine biodiversity ⓘ |
| includesFeature |
sediment drifts
ⓘ
shelf breaks ⓘ submarine canyons ⓘ |
| influencedBy | breakup of Gondwana NERFINISHED ⓘ |
| locatedIn |
South Atlantic Ocean
NERFINISHED
ⓘ
Southern Ocean ⓘ |
| partOf | South American continent NERFINISHED ⓘ |
| relatedTo | opening of the South Atlantic Ocean ⓘ |
| studiedIn |
marine geology
ⓘ
oceanography ⓘ plate tectonics ⓘ |
| subjectTo |
oceanographic processes of the Brazil Current
ⓘ
oceanographic processes of the Malvinas Current ⓘ upwelling in some sectors ⓘ |
| tectonicSetting | passive margin ⓘ |
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: Atlantic continental margin of South America Description of subject: The Atlantic continental margin of South America is the broad submerged edge of the South American continent along the Atlantic Ocean, encompassing extensive continental shelves, slopes, and rises such as the Patagonian Shelf.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.