South Atlantic tectonic system
E806936
The South Atlantic tectonic system is the network of interacting tectonic plates and boundaries that governs seafloor spreading, subduction, and seismic activity in the South Atlantic Ocean region.
All labels observed (1)
| Label | Occurrences |
|---|---|
| South Atlantic tectonic system canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T9571655 — 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: South Atlantic tectonic system Context triple: [Sandwich Plate, partOf, South Atlantic tectonic system]
-
A.
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.
-
B.
North Atlantic plate boundary system
The North Atlantic plate boundary system is the complex tectonic zone where the North American, Eurasian, and related plates interact through mid-ocean ridges, fracture zones, and transform faults across the North Atlantic Ocean.
-
C.
Southwest Pacific tectonic system
The Southwest Pacific tectonic system is a complex network of interacting tectonic plates, subduction zones, trenches, and volcanic arcs that shapes the geologic and seismic activity of the southwest Pacific region.
-
D.
North Atlantic fracture zone system
The North Atlantic fracture zone system is a network of major oceanic crustal faults and offsets that segment the Mid-Atlantic Ridge and shape the seafloor topography of the North Atlantic Ocean.
-
E.
European Cenozoic Rift System
The European Cenozoic Rift System is a major network of tectonic rift valleys and basins that formed across western and central Europe during the Cenozoic era, significantly shaping the region’s topography and volcanic activity.
- 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: South Atlantic tectonic system Target entity description: The South Atlantic tectonic system is the network of interacting tectonic plates and boundaries that governs seafloor spreading, subduction, and seismic activity in the South Atlantic Ocean region.
-
A.
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.
-
B.
North Atlantic plate boundary system
The North Atlantic plate boundary system is the complex tectonic zone where the North American, Eurasian, and related plates interact through mid-ocean ridges, fracture zones, and transform faults across the North Atlantic Ocean.
-
C.
Southwest Pacific tectonic system
The Southwest Pacific tectonic system is a complex network of interacting tectonic plates, subduction zones, trenches, and volcanic arcs that shapes the geologic and seismic activity of the southwest Pacific region.
-
D.
North Atlantic fracture zone system
The North Atlantic fracture zone system is a network of major oceanic crustal faults and offsets that segment the Mid-Atlantic Ridge and shape the seafloor topography of the North Atlantic Ocean.
-
E.
European Cenozoic Rift System
The European Cenozoic Rift System is a major network of tectonic rift valleys and basins that formed across western and central Europe during the Cenozoic era, significantly shaping the region’s topography and volcanic activity.
- F. None of above. chosen
Statements (53)
| Predicate | Object |
|---|---|
| instanceOf |
plate boundary network
ⓘ
tectonic system ⓘ |
| activeSince |
Early Cretaceous
ⓘ
Mesozoic era ⓘ |
| characterizedBy |
intraplate deformation
ⓘ
seafloor spreading ⓘ seismic activity ⓘ subduction ⓘ transform faulting ⓘ |
| controls |
age structure of South Atlantic oceanic crust
ⓘ
distribution of earthquakes in the South Atlantic region ⓘ distribution of volcanoes in the South Atlantic region ⓘ pattern of seafloor magnetic anomalies in the South Atlantic ⓘ |
| governedBy | plate tectonics ⓘ |
| hasComponent |
African Plate
ⓘ
Antarctic Plate ⓘ Caribbean Plate ⓘ Cocos Plate ⓘ Nazca Plate ⓘ Scotia Plate ⓘ South American Plate ⓘ microplates in the South Atlantic ⓘ |
| includesBoundary |
Cocos Plate–Caribbean Plate convergent boundary
ⓘ
linked to:
Cocos–Caribbean plate boundary
Nazca Plate–South American Plate convergent boundary ⓘ
linked to:
Nazca–South America plate boundary
Scotia Plate–Antarctic Plate transform boundary ⓘ
linked to:
South American–Scotia plate boundary zone
South American Plate–African Plate divergent boundary ⓘ South American Plate–Scotia Plate transform boundary ⓘ
linked to:
South American–Scotia plate boundary zone
South Sandwich subduction zone ⓘ
linked to:
South Sandwich microplate
|
| includesFeature |
Angola Basin
ⓘ
Argentine Basin ⓘ Brazil Basin ⓘ Cape Basin ⓘ Falkland Plateau ⓘ Mid-Atlantic Ridge ⓘ Rio Grande Rise ⓘ Scotia Arc ⓘ South Atlantic segment of the Mid-Atlantic Ridge ⓘ
linked to:
South Atlantic mid-ocean ridge system
South Sandwich Trench ⓘ Walvis Ridge ⓘ Walvis Ridge–Rio Grande Rise hotspot track ⓘ |
| includesProcess |
continental rifting
ⓘ
lithospheric stretching ⓘ oceanic crust formation ⓘ subduction-related volcanism ⓘ |
| influences |
South Atlantic bathymetry
ⓘ
South Atlantic sedimentation patterns ⓘ |
| locatedIn |
Atlantic Ocean
ⓘ
South Atlantic Ocean ⓘ
linked to:
South Atlantic
|
| relatedTo |
breakup of Gondwana
ⓘ
opening of the South Atlantic Ocean ⓘ |
| studiedBy |
marine geophysics
ⓘ
plate kinematics ⓘ seismology ⓘ |
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: South Atlantic tectonic system Description of subject: The South Atlantic tectonic system is the network of interacting tectonic plates and boundaries that governs seafloor spreading, subduction, and seismic activity in the South Atlantic Ocean region.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.