Types of Rocks Part 1: The Fiery Ones


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Igneous Rocks- The Fiery Ones Huge bubbles of hot, fluid rock called magma form deep in the earth’s mantle and squeeze towards the surface. Occasionally, magma forces its way through the earth’s crust by erupting out of a volcano. Once the magma flows from a volcano, it is called lava. As the lava cools, it eventually hardens […]