Origin and formation of igneous and metamorphic rocks in the light of field, mineralogical, chemical and experimental evidence. Topics vary: see www.eas.ualberta.ca/eas566 for details. May be taken more than once for credit provided no topic in EAS 466 or 566 is repeated. Topics include: (1) Cratons, Kimberlites and Diamonds; (2) Petrology of Subduction Processes. Classes concurrent with EAS 466. [Faculty of Science]