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The three major rocks are igneous, sedimentary, and metamorphic 
the two types of igneous rocks are diorite and gabbro
  1. sedimentary, metamorphic, and igneous

    2.      granite, and pegmatite

    3.     igneous rock

    4.     igneous rocks 

    5.     If the magma cools slowly, large crystals form in the rock. This can happen if the magma cools deep underground. Granite and gabbro are examples of this type of rock. They are intrusive igneous rocks because they form from magma underground

    6.E    xtrusive igneous rocks come from lava. Lava, at the surface, is exposed to air and water which causes the molten rock to cool rapidly. 

    7. Obsidian and basalt. If the magma cools quickly, small crystals form in the rock.They are called extrusive igneous rocks because they form from eruptions of magma.

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