'Iron-rich peroxide, formed from the ancient water within the magma ocean, has played a crucial role in shaping the D' layer,' researcher Qingyang Hu said.
The beginnings of a strange layer of molten rock deep inside the Earth may have finally been figured out by geoscientists.This layer, known as the D' layer, is about 1,900 miles underneath the Earth's surface, resting between the liquid outer core and the solid mantle, and varies massively in thickness across the globe.
By the final stages, the magma closest to the core could have contained water volumes comparable to Earth's present-day oceans,' study co-author Jie Deng, a researcher at Princeton University, said in a statement.The extreme conditions at the base of the magma ocean, characterized by high pressure and temperature, fostered unique chemical reactions between the water and minerals.
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