Giant 'blobs' of rock influence Earth's magnetic field
samizdis Tuesday, February 03, 2026
Summary
New research reveals that giant blobs of rock deep within the Earth's mantle have influenced the planet's magnetic field for millions of years. These blobs, located near the core-mantle boundary, play a significant role in the generation and behavior of the Earth's magnetic field over geological timescales.
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theconversation.com