Oldest Magnetic Reversal Found
20:36–21:42 · 66s
Brenner reveals they identified a geomagnetic polarity reversal at 3.46 billion years—now the oldest known—showing Earth’s core generated a modern-like field far earlier than previously documented.
20:36–21:42 · 66s
Brenner reveals they identified a geomagnetic polarity reversal at 3.46 billion years—now the oldest known—showing Earth’s core generated a modern-like field far earlier than previously documented.
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