1 jan 1962 ano - Fredrick Vine and Drummond Matthews made the discovery of magnetic stripes on the ocean floor. The study of Earths older magnetic field. Every 200,000 years Earths magnets reverses. They are in an alignment because of the materials that they contain. The materials contain such things as metal.

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History of Plate Tectonics

ByKaitlin Kidd

13 jan 2020

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