Credit Weight: 0.5 Prerequisite(s): Geology 2210 or 2217 Description: An overview of the origin and nature of magmas, their intrusive and extrusive phenomena, the products of crystallization, their economic importance and their potential hazards. The products of igneous activity will be studied in hand-specimen. Offering: 0-0; 3-0 Notes: Not for credit in the HBSc or BSc Four Year Geology programs.