Igneous Rocks. Igneous rocks Form from “magma” (molten rock) “Lava” is magma that reaches the surface and looses gas (mostly water and CO 2 ) Magma that.
Igneous Rocks. Rock Cycle Types of rocks Area of exposure on surface and volume fraction.
Igneous Rocks Chapter 4. General characteristics of magma General characteristics of magma Igneous rocks form as molten rock cools and solidifiesIgneous.
