geography: rocks

• Magma rises from the mantle


  1. Becomes trapped below the surface

  2. Begins to cool very slowly

  3. Forming intrusive igneous rock
• Magma reaches the surface

  1. Flows outwards

  2. Begins to cool

  3. Forming extrusive igneous rock
• Intrusive igneous rock


  • Granite
  • Basalt
• sedimentary rocks

  1. rocks on the surface are worn down overtime Broken pieces dropped in layers on the sea floor

  2. Pressed and cemented together

  3. Mixing with dead sea creatures
• Sedimentary rock


  • Sandstone
  • Limestone
• Metamorphic rock


  Formed when igneous or sedimentary rocks are put under great heat or pressure, changing the rock into a new, harder rock
• Metamorphic rock


  • Marble
  • Quartzite
• Metamorphic rocks are formed when igneous or sedimentary rocks are put under great heat and pressure