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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 …
GeoSpace is a blog on Earth and space science, managed by AGU’s Public Information staff. The blog features posts by AGU writers and guest contributors on all sorts of relevant science topics, but with a focus on new research and geo and space sciences-related stories that are currently in the news.