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News: FARMING FROM 6,000 YEARS AGO
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Ancient Imbalances Sent Earth's Continents "Wandering"

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Author Topic: Ancient Imbalances Sent Earth's Continents "Wandering"  (Read 921 times)
Rebecca
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« on: April 14, 2008, 10:56:17 pm »



An illustration shows what Earth's continents looked like 110 million to 100 million years ago and their rotation based on magnetic signatures in ancient rocks.

A new study suggests that the motion represents a phenomenon called true polar wander, in which Earth's landmasses become imbalanced compared to its spin axis and then move rapidly to right themselves.

Image courtesy Bernhard Steinberger
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