An introductory course in the petrology and petrography of igneous and metamorphic rocks emphasizing the observation and interpretation of rock texture, mineralogy, and chemical composition. Three (3) lectures per week. A minimum grade of “C” (2.0 or above) must be earned in this course before it can be counted in a Geosciences major or minor or as a prerequisite for any other course. (Spring - Even Years) [Graded (Standard Letter)]