Imagine for a moment that Earth's magnetic field shut down, but that heat was still being generated inside the planet. Would plate tectonics still be an active process on our planet?© BrainMass Inc. brainmass.com March 21, 2019, 8:42 pm ad1c9bdddf
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So, the magnetic field of the Earth is produced by the circulation of the outer core of the planet. The outer core is (most likely) composed of molten iron/nickel. It is believed that the outer core is in a ...
In this solution, I discuss the impact of Earth's magnetic field shutting down on the process of plate tectonics.