What are igneous rocks? Geological Survey -

• Igneous rocks form the framework for the earth's crust Page 2 2 General Characteristics of Magma • Igneous rocks form as molten rock cools and solidifies

As the magmalava cools these elements chemically combine, or crystallize, in geometric patterns to form the eight rock forming minerals For

rocket 878 Granite Rock Type: Igneous An intrusive igneous rock that is felsic in composition and phaneritic in texture The minerals that are most

rocket 888 Igneous rock or magmatic rock, is one of the three main rock types, the others being sedimentary and metamorphic Igneous rocks are formed through the