North American continental margin
E316390
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.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Laurentian continental margin | 2 |
| North American continental margin canonical | 2 |
| Mexican continental margin | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2983864 — 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.
Target entity: North American continental margin Context triple: [Chukchi Plateau, locatedOnMarginOf, North American continental margin]
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A.
Atlantic passive margin
The Atlantic passive margin is a tectonically quiet continental edge along the Atlantic Ocean characterized by broad continental shelves, thick sedimentary deposits, and a lack of major active plate boundaries or significant seismic and volcanic activity.
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B.
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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C.
Outer Continental Shelf
The Outer Continental Shelf is the federally controlled offshore seabed and subsoil beyond state coastal waters of the United States, known for its significant oil, gas, and renewable energy resources.
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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 North America
The Atlantic coast of North America is the eastern seaboard of the continent, stretching from the Canadian Maritimes down through the United States to Florida and the Gulf of Mexico, and historically serving as a major corridor for exploration, trade, and colonization.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: North American continental margin Target entity description: 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.
-
A.
Atlantic passive margin
The Atlantic passive margin is a tectonically quiet continental edge along the Atlantic Ocean characterized by broad continental shelves, thick sedimentary deposits, and a lack of major active plate boundaries or significant seismic and volcanic activity.
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B.
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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C.
Outer Continental Shelf
The Outer Continental Shelf is the federally controlled offshore seabed and subsoil beyond state coastal waters of the United States, known for its significant oil, gas, and renewable energy resources.
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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 North America
The Atlantic coast of North America is the eastern seaboard of the continent, stretching from the Canadian Maritimes down through the United States to Florida and the Gulf of Mexico, and historically serving as a major corridor for exploration, trade, and colonization.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
continental margin
ⓘ
physiographic province ⓘ submerged landform ⓘ |
| adjacentTo |
Caribbean Sea
ⓘ
Gulf of Mexico ⓘ |
| associatedWith |
hydrocarbon basins
ⓘ
marine ecosystems ⓘ sediment accumulation from North American rivers ⓘ |
| borderedBy | deep ocean floor ⓘ |
| boundaryBetween | continental crust and oceanic crust ⓘ |
| boundaryOf |
North America
ⓘ
surface form:
North American continent
|
| characterizedBy |
broad continental shelves in the Atlantic sector
ⓘ
narrow continental shelves in parts of the Pacific sector ⓘ |
| containsFeature |
accretionary prisms
ⓘ
continental slope escarpments ⓘ sediment drifts ⓘ submarine canyons ⓘ submarine fans ⓘ |
| extendsFrom | North American coastline ⓘ |
| extendsTo | deep ocean basins ⓘ |
| formedBy | plate tectonic processes ⓘ |
| geologicalSetting |
active margin
ⓘ
passive margin ⓘ |
| hasMorphology |
gently sloping continental shelf
ⓘ
low-gradient continental rise ⓘ steep continental slope ⓘ |
| hasPart |
continental rise
ⓘ
continental shelf ⓘ continental slope ⓘ |
| hasSection |
Arctic continental margin of North America
ⓘ
Atlantic passive margin ⓘ
surface form:
Atlantic continental margin of North America
Pacific continental margin of North America ⓘ |
| influences |
coastal sedimentation along North America
ⓘ
ocean circulation patterns near North America ⓘ |
| locatedIn |
Arctic Ocean
ⓘ
Atlantic Ocean ⓘ Pacific Ocean ⓘ |
| partOf | North American Plate ⓘ |
| studiedIn |
marine geology
ⓘ
oceanography ⓘ |
| subjectOf |
continental margin stratigraphy research
ⓘ
geophysical surveys ⓘ seismic reflection studies ⓘ |
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.
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.
Subject: North American continental margin Description of subject: 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.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.