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Fredrick Vine, Drummond Mathews- There are magnetic stripes on either side of the mid-ocean ridges. The magnetic stripes switch when the north and south pole switch. (jun 5, 1963 BC – apr 14, 1963 BC)

Added to timeline:

11 months ago
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Sophie Dixon

Date:

jun 5, 1963 BC
apr 14, 1963 BC
~ 1 months 22 days
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