When you come in to do the igneous rock lab, you need to know the following textural terms:
You need to know the following compositional terms:
Color index (which is somewhat related to composition)
You need to know the following terms which relate to the origin of igneous rocks:
You need to understand the relationship between cooling rate and grain size.
You need to be able to recognize the following minerals, which you will be using to identify the igneous rocks:
You should also know something about these types of igneous rocks:
You should have some familiarity with Bowen's Reaction Series. (You will need to understand it thoroughly and know the sequential order for lecture.)
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This page created by Dr. Pamela J. W. Gore,
DeKalb College, Clarkston, GA
pgore@DeKalb.gpc.edu
January 30, 1998.