WMid-Atlantic RidgeWAegir RidgeWAscension IslandWAtlantis MassifWAzoresWAzores PlateauWAzores Triple JunctionWBouvet IslandWBouvet Triple JunctionWCanadian Arctic Rift SystemWCharlie-Gibbs Fracture ZoneWFifteen-Twenty Fracture ZoneWGough IslandWHydrothermal vents and seamounts of the AzoresWIcelandWIceland hotspotWIceland hotspotWJan MayenWKolbeinseyWLost City Hydrothermal FieldWProject FAMOUSWRainbow Vent FieldWRomanche TrenchWSaint HelenaWSaint Peter and Saint Paul ArchipelagoWShona hotspotWSt. Helena hotspotWTristan da CunhaWVema Fracture Zone
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