Atlantic passive margin

E169827

The Atlantic passive margin is a tectonically quiet continental edge along the Atlantic Ocean characterized by broad continental shelves, thick sedimentary deposits, and a lack of major active plate boundaries or significant seismic and volcanic activity.

All labels observed (10)

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf passive continental margin ⓘ
tectonic feature ⓘ
associatedWith rifting of Pangaea ⓘ
boundaryType passive ⓘ
contrastsWith Pacific active margin ⓘ
depositionalProcesses river-derived sedimentation ⓘ
turbidity currents ⓘ
developedDuring Jurassic period ⓘ
Mesozoic era ⓘ
linked to: Mesozoic Era
erosionalProcesses wave action ⓘ
extendsAlong eastern margin of North America ⓘ
eastern margin of South America ⓘ
parts of the Antarctic margin ⓘ
southern margin of Greenland ⓘ
western margin of Africa ⓘ
western margin of Europe ⓘ
formsAlong divergent plate boundary ⓘ
ocean-continent transition ⓘ
hasCharacteristic broad continental shelf ⓘ
lack of major active plate boundaries ⓘ
low seismic activity ⓘ
low volcanic activity ⓘ
tectonically quiet ⓘ
thick sedimentary deposits ⓘ
hasComponent continental rise ⓘ
continental shelf ⓘ
continental slope ⓘ
hasMorphology gentle seaward slope ⓘ
hasSeafloorFeature continental rise drifts ⓘ
shelf-edge deltas ⓘ
submarine canyons ⓘ
isImportantFor continental climate modulation ⓘ
fisheries ⓘ
petroleum exploration ⓘ
isSiteOf large submarine fans ⓘ
major hydrocarbon basins ⓘ
significant marine sediment accumulation ⓘ
locatedOnCoastOf Atlantic Ocean ⓘ
overlies thinned continental crust ⓘ
plateBoundaryActivity minimal ⓘ
sedimentaryCoverThickness up to several kilometers ⓘ
studiedInDiscipline marine geology ⓘ
plate tectonics ⓘ
sedimentology ⓘ
subsidenceMechanism lithospheric cooling ⓘ
tectonicSetting post-rift thermal subsidence ⓘ
typicalShelfWidth hundreds of kilometers in places ⓘ
underlainBy oceanic crust of the Atlantic basin ⓘ

How these facts were elicited

Referenced by (11)

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

Bahama Banks → geologicalSetting → Atlantic passive margin ⓘ
Greenland Basin → adjacentTo → Greenland continental margin ⓘ
linked to: Atlantic passive margin
Vøring Plateau → partOf → Norwegian continental margin ⓘ
linked to: Atlantic passive margin
Hudson Shelf Valley → locatedIn → Atlantic continental shelf ⓘ
linked to: Atlantic passive margin
Cape Fear → geologicalSetting → Atlantic passive margin ⓘ
North American continental margin → hasSection → Atlantic continental margin of North America ⓘ
linked to: Atlantic passive margin
North Atlantic volcanic province → locatedIn → North Atlantic Ocean margins ⓘ
linked to: Atlantic passive margin
Iberian Basin → tectonicSetting → North Atlantic passive margin ⓘ
linked to: Atlantic passive margin
Greenland continental slope → partOf → North Atlantic continental margin ⓘ
linked to: Atlantic passive margin
Iceland continental slope → partOf → North Atlantic basin margin ⓘ
linked to: Atlantic passive margin
UK Continental Shelf petroleum province → locatedIn → Atlantic Margin ⓘ
linked to: Atlantic passive margin