A plate that contains oceanic lithosphere may descend into the mantle beneath another plate.

At tectonic plate boundaries several process because it wants the rock to melt at lower crystal or upper mantle depths.

forms in the deepest parts of earths crust

Are a large, angular pieces of solid rock that erupts from a volcanoes.

The boundry between two tectonic that are pulling away from one another.

It forms in the deeper parts of the mantle

Are the smallest type of volcanoes.

Volcanic active places that are not located at tectonic plates.

As a tectonic plate moves downward into the mantle, the plates is exposed to greater temperature at depths

Used to describe lava and rocks.

In which one plates move beaneath another plate.

It is made up of sediments and volcanic rocks that contain water and other fluids

Material particles of lava that form when magma explodes.

Hot spots are thought to lie directly above columns of the hot rocks that rise through the earths mantle

A vent of fissure in earth's surface through which melted rock and gases pass