WBack-arc basin
WAlboran Sea
WAndaman Sea
WArgentine Northwest
WBlack Sea
WLau Basin
WMariana Trough
WNorth Fiji Basin
WOkinawa Trough
WOriente (Ecuador)
WPannonian Basin
WRhenohercynian Zone
WRocas Verdes ophiolites
WRub' al Khali Basin
WTaupo Volcanic Zone
WTyrrhenian Sea