Researchers propose a new mechanism to power convection within the earth's interior.
Stars/Radiative dynamo - Wikiversity
Precipitation of multiple light elements to power Earth's early dynamo - ScienceDirect
Earth's Magnetic Field and Dynamo - Grade 6 Science
Schematic picture of the solar tachocline zone, Earth's liquid outer
The moon thought to play a major role in maintaining Earth's magnetic field
Earth's Magnetosphere Appears Designed for Habitability - Reasons to Believe
Admissions News & Announcements - Undergraduate Admissions
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Another energy source for the geodynamo
Earth's Magnetic Field Reversal Took Three Times Longer Than Thought