Definitions for "Magma chamber"
A magma-filled cavity within the lithosphere.
the chamber in which magma is stored before erupting pillow lava: lava that cools in water and resumes a fluffy, pillowy shape.
A body of molten rock at depth beneath the Earth's surface.
Keywords:  enormous, huge, pocket, deep, holds
a huge deep pocket that holds an enormous amount of magma
Keywords:  rays
Keywords:  filled, ground, below, space
A space below ground filled with magma.