American-Antarctic Ridge
E65672
The American-Antarctic Ridge is a mid-ocean ridge in the South Atlantic–Southern Ocean region where the American and Antarctic tectonic plates diverge, forming part of the global system of seafloor spreading centers.
Observed surface forms (1)
| Surface form | As subject | As object |
|---|---|---|
| American–Antarctic Ridge | 0 | 1 |
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
mid-ocean ridge
→
seafloor spreading center → undersea geological feature → |
| crustTypeFormed | oceanic crust → |
| environment | deep-sea → |
| formsBoundaryBetween |
South Atlantic
→
surface form: "South Atlantic basin"
Southern Ocean →
surface form: "Southern Ocean basin"
|
| geologicalFeatureType | oceanic ridge → |
| isAssociatedWith |
hydrothermal activity
→
mid-ocean ridge basalt volcanism → |
| isCharacterizedBy |
extensional tectonics
→
linear volcanic topography → magmatic accretion → |
| isConnectedTo |
Mid-Atlantic Ridge
→
Southwest Indian Ridge → |
| isLocatedSouthOf | Mid-Atlantic Ridge → |
| isPartOf |
Atlantic–Antarctic Ridge system
→
global ocean ridge system → |
| locatedIn |
South Atlantic
→
surface form: "South Atlantic Ocean"
Southern Ocean → |
| ocean |
South Atlantic
→
surface form: "South Atlantic Ocean"
Southern Ocean → |
| partOf |
global mid-ocean ridge system
→
global seafloor spreading system → |
| plateBoundaryType | divergent → |
| process |
oceanic crust formation
→
seafloor spreading → |
| separates |
American Plate
→
Antarctic Plate → |
| tectonicPlate1 | American Plate → |
| tectonicPlate2 | Antarctic Plate → |
| tectonicSetting | divergent plate boundary → |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form: "American–Antarctic Ridge"