Nazca oceanic crust volcanic provinces
E889791
Nazca oceanic crust volcanic provinces are a set of submarine volcanic regions on the Nazca Plate characterized by extensive seamount chains and volcanic edifices formed by hotspot and plate-tectonic processes in the southeastern Pacific Ocean.
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
geologic province
ⓘ
submarine volcanic province ⓘ tectonomagmatic province ⓘ |
| ageRange | Cenozoic to present ⓘ |
| associatedWith |
Nazca Plate motion
ⓘ
Pacific large-scale mantle upwelling ⓘ |
| characterizedBy |
seamount chains
ⓘ
submarine volcanism ⓘ volcanic edifices ⓘ |
| contains |
guyots
ⓘ
linear volcanic ridges ⓘ seamounts ⓘ submarine volcanic plateaus ⓘ |
| environment | deep-marine ⓘ |
| eruptiveProducts |
hyaloclastite breccias
ⓘ
pillow lavas ⓘ |
| formedBy |
hotspot volcanism
ⓘ
intraplate volcanism ⓘ mantle plume activity ⓘ plate-tectonic processes ⓘ |
| formedDuring | Cenozoic ⓘ |
| geneticType | intraplate seamount province ⓘ |
| hostRock | oceanic crust ⓘ |
| identifiedUsing |
bathymetric mapping
ⓘ
gravity anomaly data ⓘ magnetic anomaly data ⓘ marine geophysical surveys ⓘ seismic reflection data ⓘ |
| influencedBy |
Nazca Plate absolute motion
NERFINISHED
ⓘ
spreading at the East Pacific Rise ⓘ subduction of the Nazca Plate beneath South America ⓘ |
| locatedIn | southeastern Pacific Ocean ⓘ |
| locatedOn | Nazca Plate NERFINISHED ⓘ |
| magmaticComposition |
alkalic basalt
ⓘ
basaltic ⓘ tholeiitic basalt ⓘ |
| partOf | Pacific Ocean seafloor NERFINISHED ⓘ |
| researchField |
geophysics
ⓘ
marine geology ⓘ plate tectonics ⓘ volcanology ⓘ |
| studiedBy |
geophysicists
ⓘ
marine geologists ⓘ volcanologists ⓘ |
| tectonicSetting |
Nazca Plate–South America Plate convergent margin region
ⓘ
oceanic plate interior ⓘ |
| underlies | southeastern Pacific Ocean water column ⓘ |
| volcanicStyle | effusive submarine eruptions ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.