How is magma created in a subduction zone?
A) Friction between the two plates causes the lithosphere to melt.
B) Subduction brings one plate to a depth hot enough for minerals in the plate to melt.
C) Subduction brings one plate to a depth hot enough for minerals to release water; this water causes melting in the overlying asthenosphere.

Question

Quizplus · Accepted Answer

In a subduction zone, the subducting plate releases water as it descends, which lowers the melting point of the overlying asthenosphere, causing it to melt and form magma.

How Is Magma Created in a Subduction Zone