October 23, 2021

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Iceland may be the tip of a sunken continent

5 min read

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. Outside experts not affiliated with the research told Live Science they are skeptical that Icelandia exists based on the evidence collected so far.

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