Subducted slabs completely melt in the core and mix with the surrounding magma at the centre of the Earth.

Question

Quizplus · Accepted Answer

While there is debate among scientists about the exact fate of subducted slabs in the deep Earth, it is generally believed that they do not completely melt, but instead undergo a complex series of reactions and transformations within the mantle. Some evidence suggests that small amounts of subducted material may melt and mix with surrounding magma, but this is not a universal process.

Subducted Slabs Completely Melt in the Core and Mix with the Surrounding