Igneous rock diegomamut

Igneous rock diegomamut

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Storyboard Description


Storyboard Text

  • Hello, I am the rock explainer, today I will talk about how igneous rocks are formed.
  • Igneous tocks are formed through the cooling of magma or lava.
  • The magma can be derived from partial melts of existing in either a planet's mantle of crust.
  • Introduction 
  • The  melting is caused by an increase in temperature, a decrease in pressure or a change in composition.
  • Pt. 1
  • Pt. 2
  • Igneous rocks may form granular, crystalline rocks, or without crystallization to form natural glasses.
  • Pt. 3
  • Pt. 4
  • Solidification into rock occurs either below or above the surface. 
  • The end of the formation of igneous rocks
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