Antarctic Plate

E10083

major tectonic plate tectonic plate

The Antarctic Plate is a major tectonic plate underlying the continent of Antarctica and surrounding Southern Ocean, playing a key role in global plate motions and seafloor spreading.

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All labels observed (1)

Label	Occurrences
Antarctic Plate canonical	52

Statements (49)

Predicate	Object
instanceOf	major tectonic plate ⓘ tectonic plate ⓘ
affects	Antarctic seismicity ⓘ Antarctic topography ⓘ Southern Ocean bathymetry ⓘ global ocean circulation ⓘ
age	mostly Mesozoic to Cenozoic oceanic crust ⓘ
borders	African Plate ⓘ Indo-Australian Plate ⓘ Nazca Plate ⓘ Pacific Plate ⓘ Phoenix Plate remnant ⓘ Scotia Plate ⓘ South American Plate ⓘ
contains	continental crust of Antarctica ⓘ oceanic crust of Southern Ocean ⓘ
formedBy	breakup of Gondwana ⓘ
hasBoundaryType	convergent boundary ⓘ divergent boundary ⓘ transform boundary ⓘ
hasFeature	Antarctic Peninsula margin ⓘ East Antarctic craton basement ⓘ Transantarctic Mountains support ⓘ West Antarctic Rift System ⓘ fracture zones in Southern Ocean ⓘ subduction zones at Scotia margin ⓘ
locatedIn	Southern Hemisphere ⓘ
motionDirection	northward relative to mantle ⓘ
motionType	mostly divergent with surrounding plates ⓘ
namedAfter	Antarctica ⓘ
partOf	Earth lithosphere ⓘ
roleIn	Antarctic Circumpolar Current development ⓘ global plate motions ⓘ opening of Southern Ocean basins ⓘ seafloor spreading ⓘ
separatedFrom	African Plate ⓘ Indo-Australian Plate ⓘ surface form: Australian Plate South American Plate ⓘ
studiedIn	marine geophysics ⓘ plate tectonics ⓘ polar geology ⓘ
surroundedBy	Pacific-Antarctic Ridge ⓘ surface form: American-Antarctic Ridge Pacific-Antarctic Ridge ⓘ Scotia Arc ⓘ surface form: Scotia Arc region Southeast Indian Ridge ⓘ Southwest Indian Ridge ⓘ mid-ocean ridges ⓘ
underlies	Antarctica ⓘ Southern Ocean seafloor ⓘ

Referenced by (52)

Full triples — surface form annotated when it differs from this entity's canonical label.

Pacific Ocean → hasTectonicBoundary → Antarctic Plate ⓘ

Pacific Ring of Fire → associatedWith → Antarctic Plate ⓘ

Pacific Plate → boundedBy → Antarctic Plate ⓘ

Indo-Australian Plate → hasBoundaryWith → Antarctic Plate ⓘ

Indo-Australian Plate → movesRelativeTo → Antarctic Plate ⓘ

Ring of Fire → associatedWith → Antarctic Plate ⓘ

Nazca Plate → bordersPlate → Antarctic Plate ⓘ

Scotia Ridge → separates → Antarctic Plate ⓘ

Scotia Ridge → associatedWith → Antarctic Plate ⓘ

Bouvet Triple Junction region → hasTectonicPlate → Antarctic Plate ⓘ

Southwest Indian Ridge → separates → Antarctic Plate ⓘ

South American Plate → borders → Antarctic Plate ⓘ

African Plate → boundedBy → Antarctic Plate ⓘ

African Plate → movesRelativeTo → Antarctic Plate ⓘ

Scotia Plate → borderedBy → Antarctic Plate ⓘ

Scotia Plate → relativeMotionTo → Antarctic Plate ⓘ

Andean subduction system → hasSubductingPlate → Antarctic Plate ⓘ

South Scotia Ridge → formsBoundaryBetween → Antarctic Plate ⓘ

East Antarctic craton basement → locatedOn → Antarctic Plate ⓘ

breakup of Gondwana → resultsIn → Antarctic Plate ⓘ

Southeast Indian Ridge → separates → Antarctic Plate ⓘ

Pacific-Antarctic Ridge → separates → Antarctic Plate ⓘ

Chile Rise → separates → Antarctic Plate ⓘ

Chile Rise → associatedWith → Antarctic Plate ⓘ

Scotia Arc → formsBoundaryBetween → Antarctic Plate ⓘ

American-Antarctic Ridge → separates → Antarctic Plate ⓘ

American-Antarctic Ridge → tectonicPlate2 → Antarctic Plate ⓘ

Indian Ocean Ridge system → separates → Antarctic Plate ⓘ

Pacific margin of the Americas → associatedWith → Antarctic Plate ⓘ

Ellsworth Mountains → locatedOn → Antarctic Plate ⓘ

South Sandwich microplate → boundedBy → Antarctic Plate ⓘ

South Sandwich microplate → overriddenBy → Antarctic Plate ⓘ

South Sandwich microplate → movementRelativeTo → Antarctic Plate ⓘ

Falkland microplate → adjacentTo → Antarctic Plate ⓘ

East Scotia Ridge → separates → Antarctic Plate ⓘ

India Plate → boundedBy → Antarctic Plate ⓘ

India Plate → interactsWith → Antarctic Plate ⓘ

India Plate → riftedFrom → Antarctic Plate ⓘ

Austral Volcanic Zone of the Andes → subductingPlate → Antarctic Plate ⓘ

East Pacific tectonic system → associatedWith → Antarctic Plate ⓘ

South Orkney Microcontinent → liesBetween → Antarctic Plate ⓘ

Australian Plate and Antarctic Plate → boundedBy → Antarctic Plate ⓘ

subject surface form: Australian Plate

Australian Plate and Antarctic Plate → movesRelativeTo → Antarctic Plate ⓘ

subject surface form: Australian Plate

Australian Plate and Antarctic Plate → seafloorSpreadingWith → Antarctic Plate ⓘ

subject surface form: Australian Plate

Pacific Plate boundary system → includesBoundaryWith → Antarctic Plate ⓘ

Chile Triple Junction → involvesPlate → Antarctic Plate ⓘ

South Georgia microcontinent → tectonicSetting → Antarctic Plate ⓘ

Pacific Ocean drainage basin → locatedOn → Antarctic Plate ⓘ

Mount Discovery → isOn → Antarctic Plate ⓘ

Atlantic–Antarctic Ridge system → separates → Antarctic Plate ⓘ