Source Texts
Text
While researching a topic, a student has taken the following notes:
- Igneous rock is one of the three main types of rock.
- It is formed when molten rock, known as magma or lava, cools.
- Intrusive igneous rock forms when molten rock cools deep within Earth's crust.
- Extrusive igneous rock forms when molten rock exits Earth's crust and cools on the surface.
- Acadia National Park in Maine contains examples of intrusive igneous rock.
- Crater Lake National Park in Oregon contains examples of extrusive igneous rock.
- Igneous rock is one of the three main types of rock.
- It is formed when molten rock, known as magma or lava, cools.
- Intrusive igneous rock forms when molten rock cools deep within Earth's crust.
- Extrusive igneous rock forms when molten rock exits Earth's crust and cools on the surface.
- Acadia National Park in Maine contains examples of intrusive igneous rock.
- Crater Lake National Park in Oregon contains examples of extrusive igneous rock.