magma

     

Magma (Plurals: magmas an magmata) is molten rock that sometimes forms beneath the surface of the earth (or any other terrestrial planet) that often collects in a magma chamber inside a volcano. Magma may contain suspended crystals and gas bubbles. By definition, all igneous rock is formed from magma.

Trivia about magma

  • It's molten rock below ground
  • When it flows out of the earth, it becomes lava; when blasted into tiny fragments, it becomes volcanic ash
  • If it cools underground, it forms igneous rock; if it erupts, it becomes lava
  • This molten substance can surface as lava, or cool & harden into igneous rock
  • This form of molten rock deep within the earth can reach a temperature of over 2100 degrees
  • A cauldron subsidence is when a mass of solid rock sinks into a pool of this subterranean molten rock
  • (Sarah of the Clue Crew flying over Volcanoes National Park in Hawaii)This melted rock which eventually becomes lava may form up to 100 miles below the volcano's surface
  • Lava & igneous rock are formed from this hot liquid rock material found under the earth's crust

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