Gakkel Ridge
E11295
Gakkel Ridge is a slow-spreading mid-ocean ridge located beneath the Arctic Ocean, forming the tectonic boundary between the North American and Eurasian plates.
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
geologic formation
ⓘ
mid-ocean ridge ⓘ tectonic plate boundary ⓘ |
| associatedWithProcess |
plate tectonics
ⓘ
seafloor spreading ⓘ |
| countryOffshoreFrom |
Canada
ⓘ
Greenland ⓘ Russia ⓘ |
| crustalComposition | basaltic ⓘ |
| crustType | oceanic crust ⓘ |
| discoveredBy | Soviet Arctic expeditions ⓘ |
| extendsFrom | northern Greenland ⓘ |
| extendsTo | Laptev Sea ⓘ |
| formsPartOfBoundaryOf |
Eurasian Basin
ⓘ
Nansen Basin ⓘ |
| geologicalAge | Cenozoic ⓘ |
| geophysicalCharacteristic |
large amagmatic segments
ⓘ
thin magmatic crust in some segments ⓘ |
| hasBathymetry | greater depth than many other mid-ocean ridges ⓘ |
| hasFeature |
deep rift valley
ⓘ
hydrothermal vent fields ⓘ seamounts ⓘ |
| hasTransformFaults | few and short compared to faster-spreading ridges ⓘ |
| lithosphereType | oceanic lithosphere ⓘ |
| locatedIn |
Nansen Basin
ⓘ
surface form:
Arctic Basin
Arctic Ocean ⓘ |
| mantleSource | depleted upper mantle ⓘ |
| namedAfter | Yakov Yakovlevich Gakkel ⓘ |
| ocean | Arctic Ocean ⓘ |
| oceanicCrustProduction | low ⓘ |
| orientation | roughly east–west ⓘ |
| overlainBy | perennial sea ice ⓘ |
| partOf | global mid-ocean ridge system ⓘ |
| relativeSpreadingRateRank | one of the slowest-spreading mid-ocean ridges on Earth ⓘ |
| researchExpedition |
AMORE 2001 (Arctic Mid-Ocean Ridge Expedition)
ⓘ
USCGC Healy cruises ⓘ |
| ridgeType | ultra-slow spreading ridge ⓘ |
| seafloorSpreading | present ⓘ |
| segmentStructure | segmented ridge axis ⓘ |
| spreadingRate |
approximately 6–13 mm per year
ⓘ
slow-spreading ⓘ |
| studiedUsing |
bathymetric mapping
ⓘ
icebreaker-supported surveys ⓘ seismic reflection and refraction ⓘ |
| tectonicBoundaryBetween |
Eurasian Plate
ⓘ
North American Plate ⓘ |
| tectonicSetting | divergent plate boundary ⓘ |
| volcanism | submarine volcanism ⓘ |
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.