Oldest evidence of Earth's magnetic field discovered by researchers
London, UK (SPX) Apr 25, 2024
Researchers at the University of Oxford and MIT have identified a 3.7-billion-year-old geological record of Earth's magnetic field, which closely resembles the current geomagnetic field in its characteristics. This discovery, published in the Journal of Geophysical Research, offers the earliest confirmed measurement of the magnetic field's strength, recorded at 15 microtesla, nearly half of toda
Researchers at the University of Oxford and MIT have identified a 3.7-billion-year-old geological record of Earth's magnetic field, which closely resembles the current geomagnetic field in its characteristics. This discovery, published in the Journal of Geophysical Research, offers the earliest confirmed measurement of the magnetic field's strength, recorded at 15 microtesla, nearly half of toda
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