What Is Magma? Solid Rock With A Fine Texture Cooled Rock With Large Crystals Molten Rock Below Earth’s Surface Flowing Rock Above Earth’s Surface. These occur as smaller bodies that apparently solidified near the. As magma approaches the surface and the overburden pressure drops, dissolved gases bubble out of the liquid, so that magma near the surface consists of materials in solid, liquid, and gas phases.

Magma consists of liquid rock that usually contains suspended solid crystals. Rare nonsilicate magma can form by local meltin… These occur as smaller bodies that apparently solidified near the.