15h 13min, jan 1, 1953 y - Discovery of Mid-Atlantic Ridge
Description:
Marie Thrap, a geologist from America discovered a rift valley. It was later discovered that it actually ran 40,000 nautical miles along the ocean floor.
This event was significant because it proved the theory of continental drift, which is now referred to as plate tectonics.
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MARINE SCIENCE FINAL TIMELINE
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