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How a Volcanic Surge 56 Million Years Ago Cut Off The Arctic Ocean From The Atlantic – ScienceAlert
Travel back in time 56 million years, and you’d arrive during a period of heightened volcanic activity on Earth. The activity…

Travel back in time 56 million years, and you’d arrive during a period of heightened volcanic activity on Earth. The activity triggered significant shifts in the planet’s climate, effectively turning some parts of the far north into a tropical paradise.
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