Lesson Worksheet: Classification of Igneous Rocks Geology
In this worksheet, we will practice classifying and describing igneous rocks according to their depth of crystallization, mineralogy, and texture.
Which of the following rocks can be described as volcanic?
What word best describes the mineralogy of rhyolite and granite?
True or False: Igneous rocks can be classified by both texture and mineralogy.
True or False: Crystals of igneous rocks that form at Earth’s surface are large.
Which of the following rocks can be described as plutonic?
True or False: The chemical composition of the parent magma controls the mineralogy of igneous rocks.
Which of the following igneous rocks can be classified as both extrusive and felsic?
Which of the following igneous rocks can be classified as both plutonic and ultramafic?
Which of the following igneous rocks can be described as fine grained?
What type of igneous rock are diorite and andesite examples of?