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11 December 2013

Magnetic patterns give away the oldest ocean fragment’s age, origins

Continents have re-shaped and seas have parted, but one fragment of the ocean floor has remained locked in place for more than 200 million years. The Ionian basin – a patch of seafloor under the Mediterranean – is the oldest-known section of the seabed to have remained static, held by irregular-shaped continental joints that prevent its motion. The Ionian Sea carries its years well – scientists have debated its true …


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