Earth’s mantle is a restless, enigmatic engine that powers volcanism, recycles crust, and regulates the long-term evolution of the planet. But one of its most elusive characteristics—the redox state, or the balance of oxidized and reduced chemical species—remains difficult to measure directly.



Summary

The Earth’s mantle, a dynamic layer driving volcanism and crustal recycling, crucially influences our planet’s long-term evolution. A key yet poorly understood characteristic is its redox state – the equilibrium between oxidized and reduced chemical components. Accurately measuring this balance is challenging, hindering our comprehensive understanding of mantle processes and their impact on Earth’s overall system. Unlocking the secrets of the mantle’s redox state is crucial for grasping the evolution and behavior of our planet.

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