Water from a sinking plate helps make magma
Where one part of Earth’s crust sinks beneath another, it carries water deep underground. That water makes the hot rock above it easier to melt. The magma that forms can then feed volcanoes at the surface.
Where one part of Earth’s crust sinks beneath another, it carries water deep underground. That water makes the hot rock above it easier to melt. The magma that forms can then feed volcanoes at the surface.