Lomonosov Ridge

E12617

Lomonosov Ridge is a major underwater mountain range in the Arctic Ocean that stretches across the polar basin and plays a key role in regional geology and continental shelf claims.


Statements (48)
Predicate Object
instanceOf submarine ridge
undersea mountain range
age Mesozoic–Cenozoic structure
approximateLength 1800 km
boundedBy Alpha–Mendeleev Ridge complex
Gakkel Ridge
consideredBy Canada as natural prolongation of North American shelf
Denmark as natural prolongation of Greenland shelf
Russia as natural prolongation of Siberian shelf
countryClaim Canada
Denmark
Russia
crosses central Arctic Ocean
geographic North Pole region
discoveredBy Soviet Arctic expeditions
discoveryYear 1948
extendsFrom New Siberian Islands
extendsTo Canadian Arctic Archipelago
formedBy continental rifting
geologicalNature continental crust feature
hasFeature relatively flat crest
steep flanks
hasLegalStatus disputed continental shelf attachment
hasSedimentCover thick Cenozoic sediments
importantFor Arctic Ocean geology
hydrocarbon resource assessment
paleoclimate reconstruction
includedIn International Bathymetric Chart of the Arctic Ocean
locatedIn Arctic Ocean
polar basin
mappedBy icebreaker expeditions
submarine surveys
maximumHeightAboveSeafloor 3.4 km
minimumWaterDepthAboveCrest about 954 m
namedAfter Mikhail Lomonosov
near Fram Strait region
Lincoln Sea
oceanographicImportance influences deep water circulation in Arctic Ocean
orientation east–west trending
partOf Arctic Ocean seafloor
playsRoleIn Arctic Ocean basin evolution
relevantTo United Nations Convention on the Law of the Sea
extended continental shelf claims
separates Amerasian Basin
Eurasian Basin
subjectOf bathymetric mapping campaigns
international legal disputes
seismic reflection surveys


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