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Iceland Is The Tip of a Lost, Sunken Continent, Wild New Theory Suggests TOM METCALFE, LIVE SCIENCE 29 JULY 2021 Iceland may be the last exposed remnant of a nearly Texas-size continent – called Icelandia – that sank beneath the North Atlantic Ocean about 10 million years ago, according to a new theory proposed by an international team of geophysicists and geologists.   The theory goes against long-standing ideas about the formation of Iceland and the North Atlantic, but the researchers say the theory explains both the geological features of the ocean floor and why Earth s crust beneath Iceland is so much thicker than it should be.

United statesUnited kingdomCarmen gainaPhilip steinbergIan dalzielAlexander minakovAtlantic oceanPacific oceanGillian foulgerGillian foulger googleUniversity of texas austinDurham university centre for borders researchDurham universityCentre for earth evolutionUniversity of osloNorth atlantic ocean