Azores Plateau
E196823
The Azores Plateau is a large submarine volcanic plateau in the North Atlantic Ocean associated with the Azores hotspot and mid-ocean ridge tectonics.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Azores Plateau canonical | 4 |
| Azores hotspot | 2 |
| Atlantic seamount province | 1 |
| North Atlantic volcanic province | 1 |
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
oceanic plateau
ⓘ
submarine volcanic plateau ⓘ |
| age |
Cenozoic
ⓘ
Mesozoic to Cenozoic range ⓘ |
| associatedWith |
Azores hotspot
ⓘ
Mid-Atlantic Ridge ⓘ |
| bathymetricExpression | shallowing of seafloor around Azores Islands ⓘ |
| boundedBy |
Gloria Fault
ⓘ
surface form:
Gloria Fault region
Mid-Atlantic Ridge ⓘ Terceira Rift ⓘ |
| composition |
alkaline basalts
ⓘ
basaltic rocks ⓘ tholeiitic basalts ⓘ |
| contains |
rift zones
ⓘ
seamounts ⓘ submarine volcanoes ⓘ |
| country | Portugal ⓘ |
| crustalThickness | anomalously thick oceanic crust ⓘ |
| elevationRelativeToSeafloor | elevated above surrounding abyssal plain ⓘ |
| featureOf |
North Atlantic volcanic province
ⓘ
surface form:
North Atlantic Igneous Province
|
| formedBy |
hotspot volcanism
ⓘ
ridge volcanism ⓘ |
| geologicalProcess |
mantle plume activity
ⓘ
seafloor spreading ⓘ |
| heatFlow | elevated heat flow relative to normal oceanic crust ⓘ |
| influences |
ocean circulation around the Azores
ⓘ
regional bathymetry of the Azores ⓘ |
| isSourceOf | magmatic activity beneath the Azores Islands ⓘ |
| locatedIn |
Atlantic Ocean
ⓘ
surface form:
North Atlantic Ocean
|
| magmaticSource |
enriched upper mantle
ⓘ
mantle plume head or tail ⓘ |
| near | Azores Triple Junction ⓘ |
| oceanCrustType | oceanic crust ⓘ |
| partOf |
Azores
ⓘ
surface form:
Azores region
|
| relatedTo |
African Plate
ⓘ
Eurasian Plate ⓘ North American Plate ⓘ |
| researchField |
geophysics
ⓘ
marine geology ⓘ plate tectonics ⓘ |
| seafloorMorphology | broad topographic high ⓘ |
| supports | unique deep-sea ecosystems ⓘ |
| tectonicSetting |
mid-ocean ridge environment
ⓘ
triple junction region ⓘ |
| underlies |
Azores
ⓘ
surface form:
Azores Archipelago
|
| volcanismType |
intraplate volcanism
ⓘ
ridge-centered volcanism ⓘ |
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Azores hotspot
this entity surface form:
North Atlantic volcanic province
this entity surface form:
Azores hotspot
this entity surface form:
Atlantic seamount province
subject surface form:
Caldeira Massif